diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index f6e2d8dc..4504ab8a 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -90,6 +90,7 @@ var getJasmineRequireObj = (function(jasmineGlobal) {
       j$
     );
     j$.ReportDispatcher = jRequire.ReportDispatcher(j$);
+    j$.RunnableResources = jRequire.RunnableResources(j$);
     j$.Spec = jRequire.Spec(j$);
     j$.Spy = jRequire.Spy(j$);
     j$.SpyFactory = jRequire.SpyFactory(j$);
@@ -1112,7 +1113,10 @@ getJasmineRequireObj().Env = function(j$) {
       new j$.MockDate(global)
     );
 
-    const runnableResources = {};
+    const runnableResources = new j$.RunnableResources(function() {
+      const r = currentRunnable();
+      return r ? r.id : null;
+    });
 
     let topSuite;
     let currentSpec = null;
@@ -1122,7 +1126,6 @@ getJasmineRequireObj().Env = function(j$) {
     let hasFailures = false;
     let deprecator;
     let reporter;
-    let spyRegistry;
 
     /**
      * This represents the available options to configure Jasmine.
@@ -1316,74 +1319,27 @@ getJasmineRequireObj().Env = function(j$) {
     };
 
     this.setDefaultSpyStrategy = function(defaultStrategyFn) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Default spy strategy must be set in a before function or a spec'
-        );
-      }
-      runnableResources[
-        currentRunnable().id
-      ].defaultStrategyFn = defaultStrategyFn;
+      runnableResources.setDefaultSpyStrategy(defaultStrategyFn);
     };
 
     this.addSpyStrategy = function(name, fn) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Custom spy strategies must be added in a before function or a spec'
-        );
-      }
-      runnableResources[currentRunnable().id].customSpyStrategies[name] = fn;
+      runnableResources.customSpyStrategies()[name] = fn;
     };
 
     this.addCustomEqualityTester = function(tester) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Custom Equalities must be added in a before function or a spec'
-        );
-      }
-      runnableResources[currentRunnable().id].customEqualityTesters.push(
-        tester
-      );
+      runnableResources.customEqualityTesters().push(tester);
     };
 
     this.addMatchers = function(matchersToAdd) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Matchers must be added in a before function or a spec'
-        );
-      }
-      const customMatchers =
-        runnableResources[currentRunnable().id].customMatchers;
-
-      for (const matcherName in matchersToAdd) {
-        customMatchers[matcherName] = matchersToAdd[matcherName];
-      }
+      runnableResources.addCustomMatchers(matchersToAdd);
     };
 
     this.addAsyncMatchers = function(matchersToAdd) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Async Matchers must be added in a before function or a spec'
-        );
-      }
-      const customAsyncMatchers =
-        runnableResources[currentRunnable().id].customAsyncMatchers;
-
-      for (const matcherName in matchersToAdd) {
-        customAsyncMatchers[matcherName] = matchersToAdd[matcherName];
-      }
+      runnableResources.addCustomAsyncMatchers(matchersToAdd);
     };
 
     this.addCustomObjectFormatter = function(formatter) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Custom object formatters must be added in a before function or a spec'
-        );
-      }
-
-      runnableResources[currentRunnable().id].customObjectFormatters.push(
-        formatter
-      );
+      runnableResources.customObjectFormatters().push(formatter);
     };
 
     j$.Expectation.addCoreMatchers(j$.matchers);
@@ -1401,31 +1357,10 @@ getJasmineRequireObj().Env = function(j$) {
       return 'suite' + nextSuiteId++;
     }
 
-    function makePrettyPrinter() {
-      const customObjectFormatters =
-        runnableResources[currentRunnable().id].customObjectFormatters;
-      return j$.makePrettyPrinter(customObjectFormatters);
-    }
-
-    function makeMatchersUtil() {
-      const cr = currentRunnable();
-
-      if (cr) {
-        const customEqualityTesters =
-          runnableResources[cr.id].customEqualityTesters;
-        return new j$.MatchersUtil({
-          customTesters: customEqualityTesters,
-          pp: makePrettyPrinter()
-        });
-      } else {
-        return new j$.MatchersUtil({ pp: j$.basicPrettyPrinter_ });
-      }
-    }
-
     const expectationFactory = function(actual, spec) {
       return j$.Expectation.factory({
-        matchersUtil: makeMatchersUtil(),
-        customMatchers: runnableResources[spec.id].customMatchers,
+        matchersUtil: runnableResources.makeMatchersUtil(),
+        customMatchers: runnableResources.customMatchers(),
         actual: actual,
         addExpectationResult: addExpectationResult
       });
@@ -1502,8 +1437,8 @@ getJasmineRequireObj().Env = function(j$) {
 
     const asyncExpectationFactory = function(actual, spec, runableType) {
       return j$.Expectation.asyncFactory({
-        matchersUtil: makeMatchersUtil(),
-        customAsyncMatchers: runnableResources[spec.id].customAsyncMatchers,
+        matchersUtil: runnableResources.makeMatchersUtil(),
+        customAsyncMatchers: runnableResources.customAsyncMatchers(),
         actual: actual,
         addExpectationResult: addExpectationResult
       });
@@ -1523,45 +1458,6 @@ getJasmineRequireObj().Env = function(j$) {
       return asyncExpectationFactory(actual, suite, 'Spec');
     };
 
-    function defaultResourcesForRunnable(id, parentRunnableId) {
-      const resources = {
-        spies: [],
-        customEqualityTesters: [],
-        customMatchers: {},
-        customAsyncMatchers: {},
-        customSpyStrategies: {},
-        defaultStrategyFn: undefined,
-        customObjectFormatters: []
-      };
-
-      if (runnableResources[parentRunnableId]) {
-        resources.customEqualityTesters = j$.util.clone(
-          runnableResources[parentRunnableId].customEqualityTesters
-        );
-        resources.customMatchers = j$.util.clone(
-          runnableResources[parentRunnableId].customMatchers
-        );
-        resources.customAsyncMatchers = j$.util.clone(
-          runnableResources[parentRunnableId].customAsyncMatchers
-        );
-        resources.customObjectFormatters = j$.util.clone(
-          runnableResources[parentRunnableId].customObjectFormatters
-        );
-        resources.customSpyStrategies = j$.util.clone(
-          runnableResources[parentRunnableId].customSpyStrategies
-        );
-        resources.defaultStrategyFn =
-          runnableResources[parentRunnableId].defaultStrategyFn;
-      }
-
-      runnableResources[id] = resources;
-    }
-
-    function clearResourcesForRunnable(id) {
-      spyRegistry.clearSpies();
-      delete runnableResources[id];
-    }
-
     function beforeAndAfterFns(targetSuite) {
       return function() {
         let befores = [],
@@ -1787,7 +1683,7 @@ getJasmineRequireObj().Env = function(j$) {
         topSuite.reset();
       }
       this._executedBefore = true;
-      defaultResourcesForRunnable(topSuite.id);
+      runnableResources.initForRunnable(topSuite.id);
       installGlobalErrors();
 
       if (!runnablesToRun) {
@@ -1810,7 +1706,7 @@ getJasmineRequireObj().Env = function(j$) {
         failSpecWithNoExpectations: config.failSpecWithNoExpectations,
         nodeStart: function(suite, next) {
           currentlyExecutingSuites.push(suite);
-          defaultResourcesForRunnable(suite.id, suite.parentSuite.id);
+          runnableResources.initForRunnable(suite.id, suite.parentSuite.id);
           reporter.suiteStarted(suite.result, next);
           suite.startTimer();
         },
@@ -1819,7 +1715,7 @@ getJasmineRequireObj().Env = function(j$) {
             throw new Error('Tried to complete the wrong suite');
           }
 
-          clearResourcesForRunnable(suite.id);
+          runnableResources.clearForRunnable(suite.id);
           currentlyExecutingSuites.pop();
 
           if (result.status === 'failed') {
@@ -1884,7 +1780,7 @@ getJasmineRequireObj().Env = function(j$) {
                   await reportChildrenOfBeforeAllFailure(topSuite);
                 }
 
-                clearResourcesForRunnable(topSuite.id);
+                runnableResources.clearForRunnable(topSuite.id);
                 currentlyExecutingSuites.pop();
                 let overallStatus, incompleteReason;
 
@@ -2008,42 +1904,6 @@ getJasmineRequireObj().Env = function(j$) {
       reporter.clearReporters();
     };
 
-    const spyFactory = new j$.SpyFactory(
-      function getCustomStrategies() {
-        const runnable = currentRunnable();
-
-        if (runnable) {
-          return runnableResources[runnable.id].customSpyStrategies;
-        }
-
-        return {};
-      },
-      function getDefaultStrategyFn() {
-        const runnable = currentRunnable();
-
-        if (runnable) {
-          return runnableResources[runnable.id].defaultStrategyFn;
-        }
-
-        return undefined;
-      },
-      makeMatchersUtil
-    );
-
-    spyRegistry = new j$.SpyRegistry({
-      currentSpies: function() {
-        if (!currentRunnable()) {
-          throw new Error(
-            'Spies must be created in a before function or a spec'
-          );
-        }
-        return runnableResources[currentRunnable().id].spies;
-      },
-      createSpy: function(name, originalFn) {
-        return self.createSpy(name, originalFn);
-      }
-    });
-
     /**
      * Configures whether Jasmine should allow the same function to be spied on
      * more than once during the execution of a spec. By default, spying on
@@ -2054,32 +1914,40 @@ getJasmineRequireObj().Env = function(j$) {
      * @param {boolean} allow Whether to allow respying
      */
     this.allowRespy = function(allow) {
-      spyRegistry.allowRespy(allow);
+      runnableResources.spyRegistry.allowRespy(allow);
     };
 
     this.spyOn = function() {
-      return spyRegistry.spyOn.apply(spyRegistry, arguments);
+      return runnableResources.spyRegistry.spyOn.apply(
+        runnableResources.spyRegistry,
+        arguments
+      );
     };
 
     this.spyOnProperty = function() {
-      return spyRegistry.spyOnProperty.apply(spyRegistry, arguments);
+      return runnableResources.spyRegistry.spyOnProperty.apply(
+        runnableResources.spyRegistry,
+        arguments
+      );
     };
 
     this.spyOnAllFunctions = function() {
-      return spyRegistry.spyOnAllFunctions.apply(spyRegistry, arguments);
+      return runnableResources.spyRegistry.spyOnAllFunctions.apply(
+        runnableResources.spyRegistry,
+        arguments
+      );
     };
 
     this.createSpy = function(name, originalFn) {
-      if (arguments.length === 1 && j$.isFunction_(name)) {
-        originalFn = name;
-        name = originalFn.name;
-      }
-
-      return spyFactory.createSpy(name, originalFn);
+      return runnableResources.spyFactory.createSpy(name, originalFn);
     };
 
     this.createSpyObj = function(baseName, methodNames, propertyNames) {
-      return spyFactory.createSpyObj(baseName, methodNames, propertyNames);
+      return runnableResources.spyFactory.createSpyObj(
+        baseName,
+        methodNames,
+        propertyNames
+      );
     };
 
     function ensureIsFunction(fn, caller) {
@@ -2234,7 +2102,7 @@ getJasmineRequireObj().Env = function(j$) {
       return spec;
 
       function specResultCallback(result, next) {
-        clearResourcesForRunnable(spec.id);
+        runnableResources.clearForRunnable(spec.id);
         currentSpec = null;
 
         if (result.status === 'failed') {
@@ -2246,7 +2114,7 @@ getJasmineRequireObj().Env = function(j$) {
 
       function specStarted(spec, next) {
         currentSpec = spec;
-        defaultResourcesForRunnable(spec.id, suite.id);
+        runnableResources.initForRunnable(spec.id, suite.id);
         reporter.specStarted(spec.result, next);
       }
     };
@@ -2468,7 +2336,8 @@ getJasmineRequireObj().Env = function(j$) {
           message += error;
         } else {
           // pretty print all kind of objects. This includes arrays.
-          message += makePrettyPrinter()(error);
+          const pp = runnableResources.makePrettyPrinter();
+          message += pp(error);
         }
       }
 
@@ -8664,6 +8533,161 @@ getJasmineRequireObj().interface = function(jasmine, env) {
   return jasmineInterface;
 };
 
+getJasmineRequireObj().RunnableResources = function(j$) {
+  class RunnableResources {
+    constructor(getCurrentRunnableId) {
+      this.byRunnableId_ = {};
+      this.getCurrentRunnableId_ = getCurrentRunnableId;
+
+      this.spyFactory = new j$.SpyFactory(
+        () => {
+          if (this.getCurrentRunnableId_()) {
+            return this.customSpyStrategies();
+          } else {
+            return {};
+          }
+        },
+        () => this.defaultSpyStrategy(),
+        () => this.makeMatchersUtil()
+      );
+
+      this.spyRegistry = new j$.SpyRegistry({
+        currentSpies: () => this.spies(),
+        createSpy: (name, originalFn) =>
+          this.spyFactory.createSpy(name, originalFn)
+      });
+    }
+
+    initForRunnable(runnableId, parentId) {
+      const newRes = (this.byRunnableId_[runnableId] = {
+        customEqualityTesters: [],
+        customMatchers: {},
+        customAsyncMatchers: {},
+        customSpyStrategies: {},
+        customObjectFormatters: [],
+        defaultSpyStrategy: undefined,
+        spies: []
+      });
+
+      const parentRes = this.byRunnableId_[parentId];
+
+      if (parentRes) {
+        newRes.defaultSpyStrategy = parentRes.defaultSpyStrategy;
+        const toClone = [
+          'customEqualityTesters',
+          'customMatchers',
+          'customAsyncMatchers',
+          'customObjectFormatters',
+          'customSpyStrategies'
+        ];
+
+        for (const k of toClone) {
+          newRes[k] = j$.util.clone(parentRes[k]);
+        }
+      }
+    }
+
+    clearForRunnable(runnableId) {
+      this.spyRegistry.clearSpies();
+      delete this.byRunnableId_[runnableId];
+    }
+
+    spies() {
+      return this.forCurrentRunnable_(
+        'Spies must be created in a before function or a spec'
+      ).spies;
+    }
+
+    defaultSpyStrategy() {
+      if (!this.getCurrentRunnableId_()) {
+        return undefined;
+      }
+
+      return this.byRunnableId_[this.getCurrentRunnableId_()]
+        .defaultSpyStrategy;
+    }
+
+    setDefaultSpyStrategy(fn) {
+      this.forCurrentRunnable_(
+        'Default spy strategy must be set in a before function or a spec'
+      ).defaultSpyStrategy = fn;
+    }
+
+    customSpyStrategies() {
+      return this.forCurrentRunnable_(
+        'Custom spy strategies must be added in a before function or a spec'
+      ).customSpyStrategies;
+    }
+
+    customEqualityTesters() {
+      return this.forCurrentRunnable_(
+        'Custom Equalities must be added in a before function or a spec'
+      ).customEqualityTesters;
+    }
+
+    customMatchers() {
+      return this.forCurrentRunnable_(
+        'Matchers must be added in a before function or a spec'
+      ).customMatchers;
+    }
+
+    addCustomMatchers(matchersToAdd) {
+      const matchers = this.customMatchers();
+
+      for (const name in matchersToAdd) {
+        matchers[name] = matchersToAdd[name];
+      }
+    }
+
+    customAsyncMatchers() {
+      return this.forCurrentRunnable_(
+        'Async Matchers must be added in a before function or a spec'
+      ).customAsyncMatchers;
+    }
+
+    addCustomAsyncMatchers(matchersToAdd) {
+      const matchers = this.customAsyncMatchers();
+
+      for (const name in matchersToAdd) {
+        matchers[name] = matchersToAdd[name];
+      }
+    }
+
+    customObjectFormatters() {
+      return this.forCurrentRunnable_(
+        'Custom object formatters must be added in a before function or a spec'
+      ).customObjectFormatters;
+    }
+
+    makePrettyPrinter() {
+      return j$.makePrettyPrinter(this.customObjectFormatters());
+    }
+
+    makeMatchersUtil() {
+      if (this.getCurrentRunnableId_()) {
+        return new j$.MatchersUtil({
+          customTesters: this.customEqualityTesters(),
+          pp: this.makePrettyPrinter()
+        });
+      } else {
+        return new j$.MatchersUtil({ pp: j$.basicPrettyPrinter_ });
+      }
+    }
+
+    forCurrentRunnable_(errorMsg) {
+      const resources = this.byRunnableId_[this.getCurrentRunnableId_()];
+
+      if (!resources && errorMsg) {
+        throw new Error(errorMsg);
+      }
+
+      return resources;
+    }
+  }
+
+  return RunnableResources;
+};
+
 getJasmineRequireObj().SkipAfterBeforeAllErrorPolicy = function(j$) {
   function SkipAfterBeforeAllErrorPolicy(queueableFns) {
     this.queueableFns_ = queueableFns;
@@ -8923,6 +8947,11 @@ getJasmineRequireObj().SpyFactory = function(j$) {
     getMatchersUtil
   ) {
     this.createSpy = function(name, originalFn) {
+      if (j$.isFunction_(name) && originalFn === undefined) {
+        originalFn = name;
+        name = originalFn.name;
+      }
+
       return j$.Spy(name, getMatchersUtil(), {
         originalFn,
         customStrategies: getCustomStrategies(),
diff --git a/spec/core/RunnableResourcesSpec.js b/spec/core/RunnableResourcesSpec.js
new file mode 100644
index 00000000..a33f95f6
--- /dev/null
+++ b/spec/core/RunnableResourcesSpec.js
@@ -0,0 +1,503 @@
+describe('RunnableResources', function() {
+  describe('#spies', function() {
+    behavesLikeAPerRunnableMutableArray(
+      'spies',
+      'Spies must be created in a before function or a spec',
+      false
+    );
+  });
+
+  describe('#customSpyStrategies', function() {
+    behavesLikeAPerRunnableMutableObject(
+      'customSpyStrategies',
+      'Custom spy strategies must be added in a before function or a spec'
+    );
+  });
+
+  describe('#customEqualityTesters', function() {
+    behavesLikeAPerRunnableMutableArray(
+      'customEqualityTesters',
+      'Custom Equalities must be added in a before function or a spec'
+    );
+  });
+
+  describe('#customObjectFormatters', function() {
+    behavesLikeAPerRunnableMutableArray(
+      'customObjectFormatters',
+      'Custom object formatters must be added in a before function or a spec'
+    );
+  });
+
+  describe('#customMatchers', function() {
+    behavesLikeAPerRunnableMutableObject(
+      'customMatchers',
+      'Matchers must be added in a before function or a spec'
+    );
+  });
+
+  describe('#addCustomMatchers', function() {
+    it("adds all properties to the current runnable's matchers", function() {
+      const currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+
+      function toBeFoo() {}
+      function toBeBar() {}
+      function toBeBaz() {}
+
+      runnableResources.addCustomMatchers({ toBeFoo });
+      expect(runnableResources.customMatchers()).toEqual({ toBeFoo });
+
+      runnableResources.addCustomMatchers({ toBeBar, toBeBaz });
+      expect(runnableResources.customMatchers()).toEqual({
+        toBeFoo,
+        toBeBar,
+        toBeBaz
+      });
+    });
+  });
+
+  describe('#customAsyncMatchers', function() {
+    behavesLikeAPerRunnableMutableObject(
+      'customAsyncMatchers',
+      'Async Matchers must be added in a before function or a spec'
+    );
+  });
+
+  describe('#addCustomAsyncMatchers', function() {
+    it("adds all properties to the current runnable's matchers", function() {
+      const currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+
+      function toBeFoo() {}
+      function toBeBar() {}
+      function toBeBaz() {}
+
+      runnableResources.addCustomAsyncMatchers({ toBeFoo });
+      expect(runnableResources.customAsyncMatchers()).toEqual({ toBeFoo });
+
+      runnableResources.addCustomAsyncMatchers({ toBeBar, toBeBaz });
+      expect(runnableResources.customAsyncMatchers()).toEqual({
+        toBeFoo,
+        toBeBar,
+        toBeBaz
+      });
+    });
+  });
+
+  describe('#defaultSpyStrategy', function() {
+    it('returns undefined for a newly initialized resource', function() {
+      let currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+
+      expect(runnableResources.defaultSpyStrategy()).toBeUndefined();
+    });
+
+    it('returns the value previously set by #setDefaultSpyStrategy', function() {
+      let currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+      const fn = () => {};
+      runnableResources.setDefaultSpyStrategy(fn);
+
+      expect(runnableResources.defaultSpyStrategy()).toBe(fn);
+    });
+
+    it('is per-runnable', function() {
+      let currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+      runnableResources.setDefaultSpyStrategy(() => {});
+      currentRunnableId = 2;
+      runnableResources.initForRunnable(2);
+
+      expect(runnableResources.defaultSpyStrategy()).toBeUndefined();
+    });
+
+    it('does not require a current runnable', function() {
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => null
+      );
+      expect(runnableResources.defaultSpyStrategy()).toBeUndefined();
+    });
+
+    it("inherits the parent runnable's value", function() {
+      let currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+      const fn = () => {};
+      runnableResources.setDefaultSpyStrategy(fn);
+      currentRunnableId = 2;
+      runnableResources.initForRunnable(2, 1);
+
+      expect(runnableResources.defaultSpyStrategy()).toBe(fn);
+    });
+  });
+
+  describe('#setDefaultSpyStrategy', function() {
+    it('throws a user-facing error when there is no current runnable', function() {
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => null
+      );
+      expect(function() {
+        runnableResources.setDefaultSpyStrategy();
+      }).toThrowError(
+        'Default spy strategy must be set in a before function or a spec'
+      );
+    });
+  });
+
+  describe('#makePrettyPrinter', function() {
+    it('returns a pretty printer configured with the current customObjectFormatters', function() {
+      const runnableResources = new jasmineUnderTest.RunnableResources(() => 1);
+      runnableResources.initForRunnable(1);
+      function cof() {}
+      runnableResources.customObjectFormatters().push(cof);
+      spyOn(jasmineUnderTest, 'makePrettyPrinter').and.callThrough();
+      const pp = runnableResources.makePrettyPrinter();
+
+      expect(jasmineUnderTest.makePrettyPrinter).toHaveBeenCalledOnceWith([
+        cof
+      ]);
+      expect(pp).toBe(
+        jasmineUnderTest.makePrettyPrinter.calls.first().returnValue
+      );
+    });
+  });
+
+  describe('#makeMatchersUtil', function() {
+    describe('When there is a current runnable', function() {
+      it('returns a MatchersUtil configured with the current resources', function() {
+        const runnableResources = new jasmineUnderTest.RunnableResources(
+          () => 1
+        );
+        runnableResources.initForRunnable(1);
+        function cof() {}
+        runnableResources.customObjectFormatters().push(cof);
+        function ceq() {}
+        runnableResources.customEqualityTesters().push(ceq);
+        const expectedPP = {};
+        const expectedMatchersUtil = {};
+        spyOn(jasmineUnderTest, 'makePrettyPrinter').and.returnValue(
+          expectedPP
+        );
+        spyOn(jasmineUnderTest, 'MatchersUtil').and.returnValue(
+          expectedMatchersUtil
+        );
+
+        const matchersUtil = runnableResources.makeMatchersUtil();
+
+        expect(matchersUtil).toBe(expectedMatchersUtil);
+        expect(jasmineUnderTest.makePrettyPrinter).toHaveBeenCalledOnceWith([
+          cof
+        ]);
+        // We need === equality on the pp passed to MatchersUtil
+        expect(jasmineUnderTest.MatchersUtil).toHaveBeenCalledOnceWith(
+          jasmine.objectContaining({
+            customTesters: [ceq]
+          })
+        );
+        expect(jasmineUnderTest.MatchersUtil.calls.argsFor(0)[0].pp).toBe(
+          expectedPP
+        );
+      });
+    });
+
+    describe('When there is no current runnable', function() {
+      it('returns a MatchersUtil configured with defaults', function() {
+        const runnableResources = new jasmineUnderTest.RunnableResources(
+          () => null
+        );
+        const expectedMatchersUtil = {};
+        spyOn(jasmineUnderTest, 'MatchersUtil').and.returnValue(
+          expectedMatchersUtil
+        );
+
+        const matchersUtil = runnableResources.makeMatchersUtil();
+
+        expect(matchersUtil).toBe(expectedMatchersUtil);
+        // We need === equality on the pp passed to MatchersUtil
+        expect(jasmineUnderTest.MatchersUtil).toHaveBeenCalledTimes(1);
+        expect(jasmineUnderTest.MatchersUtil.calls.argsFor(0)[0].pp).toBe(
+          jasmineUnderTest.basicPrettyPrinter_
+        );
+        expect(
+          jasmineUnderTest.MatchersUtil.calls.argsFor(0)[0].customTesters
+        ).toBeUndefined();
+      });
+    });
+  });
+
+  describe('.spyFactory', function() {
+    describe('When there is no current runnable', function() {
+      it('is configured with default strategies and matchersUtil', function() {
+        const runnableResources = new jasmineUnderTest.RunnableResources(
+          () => null
+        );
+        spyOn(jasmineUnderTest, 'Spy');
+        const matchersUtil = {};
+        spyOn(runnableResources, 'makeMatchersUtil').and.returnValue(
+          matchersUtil
+        );
+
+        runnableResources.spyFactory.createSpy('foo');
+
+        expect(jasmineUnderTest.Spy).toHaveBeenCalledWith(
+          'foo',
+          is(matchersUtil),
+          jasmine.objectContaining({
+            customStrategies: {},
+            defaultStrategyFn: undefined
+          })
+        );
+      });
+    });
+
+    describe('When there is a current runnable', function() {
+      it("is configured with the current runnable's strategies and matchersUtil", function() {
+        const runnableResources = new jasmineUnderTest.RunnableResources(
+          () => 1
+        );
+        runnableResources.initForRunnable(1);
+        function customStrategy() {}
+        function defaultStrategy() {}
+        runnableResources.customSpyStrategies().foo = customStrategy;
+        runnableResources.setDefaultSpyStrategy(defaultStrategy);
+        spyOn(jasmineUnderTest, 'Spy');
+        const matchersUtil = {};
+        spyOn(runnableResources, 'makeMatchersUtil').and.returnValue(
+          matchersUtil
+        );
+
+        runnableResources.spyFactory.createSpy('foo');
+
+        expect(jasmineUnderTest.Spy).toHaveBeenCalledWith(
+          'foo',
+          is(matchersUtil),
+          jasmine.objectContaining({
+            customStrategies: { foo: customStrategy },
+            defaultStrategyFn: defaultStrategy
+          })
+        );
+      });
+    });
+
+    function is(expected) {
+      return {
+        asymmetricMatch: function(actual) {
+          return actual === expected;
+        },
+        jasmineToString: function(pp) {
+          return '<same instance as ' + pp(expected) + '>';
+        }
+      };
+    }
+  });
+
+  describe('.spyRegistry', function() {
+    it("writes to the current runnable's spies", function() {
+      const runnableResources = new jasmineUnderTest.RunnableResources(() => 1);
+      runnableResources.initForRunnable(1);
+      function foo() {}
+      const spyObj = { foo };
+      runnableResources.spyRegistry.spyOn(spyObj, 'foo');
+
+      expect(runnableResources.spies()).toEqual([
+        jasmine.objectContaining({
+          restoreObjectToOriginalState: jasmine.any(Function)
+        })
+      ]);
+      expect(jasmineUnderTest.isSpy(spyObj.foo)).toBeTrue();
+
+      runnableResources.spyRegistry.clearSpies();
+      expect(spyObj.foo).toBe(foo);
+    });
+  });
+
+  describe('#clearForRunnable', function() {
+    it('removes resources for the specified runnable', function() {
+      const runnableResources = new jasmineUnderTest.RunnableResources(() => 1);
+      runnableResources.initForRunnable(1);
+      expect(function() {
+        runnableResources.spies();
+      }).not.toThrow();
+      runnableResources.clearForRunnable(1);
+      expect(function() {
+        runnableResources.spies();
+      }).toThrowError('Spies must be created in a before function or a spec');
+    });
+
+    it('clears spies', function() {
+      const runnableResources = new jasmineUnderTest.RunnableResources(() => 1);
+      runnableResources.initForRunnable(1);
+      function foo() {}
+      const spyObj = { foo };
+      runnableResources.spyRegistry.spyOn(spyObj, 'foo');
+      expect(spyObj.foo).not.toBe(foo);
+
+      runnableResources.clearForRunnable(1);
+      expect(spyObj.foo).toBe(foo);
+    });
+
+    it('does not remove resources for other runnables', function() {
+      const runnableResources = new jasmineUnderTest.RunnableResources(() => 1);
+      runnableResources.initForRunnable(1);
+      function cof() {}
+      runnableResources.customObjectFormatters().push(cof);
+      runnableResources.clearForRunnable(2);
+      expect(runnableResources.customObjectFormatters()).toEqual([cof]);
+    });
+  });
+
+  function behavesLikeAPerRunnableMutableArray(
+    methodName,
+    errorMsg,
+    inherits = true
+  ) {
+    it('is initially empty', function() {
+      const currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+
+      expect(runnableResources[methodName]()).toEqual([]);
+    });
+
+    it('is mutable', function() {
+      const currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+      function newItem() {}
+      runnableResources[methodName]().push(newItem);
+      expect(runnableResources[methodName]()).toEqual([newItem]);
+    });
+
+    it('is per-runnable', function() {
+      let currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+      runnableResources[methodName]().push(() => {});
+      runnableResources.initForRunnable(2);
+      currentRunnableId = 2;
+      expect(runnableResources[methodName]()).toEqual([]);
+    });
+
+    it('throws a user-facing error when there is no current runnable', function() {
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => null
+      );
+      expect(function() {
+        runnableResources[methodName]();
+      }).toThrowError(errorMsg);
+    });
+
+    if (inherits) {
+      it('inherits from the parent runnable', function() {
+        let currentRunnableId = 1;
+        const runnableResources = new jasmineUnderTest.RunnableResources(
+          () => currentRunnableId
+        );
+        runnableResources.initForRunnable(1);
+        function parentItem() {}
+        runnableResources[methodName]().push(parentItem);
+        runnableResources.initForRunnable(2, 1);
+        currentRunnableId = 2;
+        function childItem() {}
+        runnableResources[methodName]().push(childItem);
+        expect(runnableResources[methodName]()).toEqual([
+          parentItem,
+          childItem
+        ]);
+
+        currentRunnableId = 1;
+        expect(runnableResources[methodName]()).toEqual([parentItem]);
+      });
+    }
+  }
+
+  function behavesLikeAPerRunnableMutableObject(methodName, errorMsg) {
+    it('is initially empty', function() {
+      const currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+
+      expect(runnableResources[methodName]()).toEqual({});
+    });
+
+    it('is mutable', function() {
+      const currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+      function newItem() {}
+      runnableResources[methodName]().foo = newItem;
+      expect(runnableResources[methodName]()).toEqual({ foo: newItem });
+    });
+
+    it('is per-runnable', function() {
+      let currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+      runnableResources[methodName]().foo = function() {};
+      runnableResources.initForRunnable(2);
+      currentRunnableId = 2;
+      expect(runnableResources[methodName]()).toEqual({});
+    });
+
+    it('throws a user-facing error when there is no current runnable', function() {
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => null
+      );
+      expect(function() {
+        runnableResources[methodName]();
+      }).toThrowError(errorMsg);
+    });
+
+    it('inherits from the parent runnable', function() {
+      let currentRunnableId = 1;
+      const runnableResources = new jasmineUnderTest.RunnableResources(
+        () => currentRunnableId
+      );
+      runnableResources.initForRunnable(1);
+      function parentItem() {}
+      runnableResources[methodName]().parentName = parentItem;
+      runnableResources.initForRunnable(2, 1);
+      currentRunnableId = 2;
+      function childItem() {}
+      runnableResources[methodName]().childName = childItem;
+      expect(runnableResources[methodName]()).toEqual({
+        parentName: parentItem,
+        childName: childItem
+      });
+
+      currentRunnableId = 1;
+      expect(runnableResources[methodName]()).toEqual({
+        parentName: parentItem
+      });
+    });
+  }
+});
diff --git a/spec/core/integration/EnvSpec.js b/spec/core/integration/EnvSpec.js
index 217488ee..1aa43fb6 100644
--- a/spec/core/integration/EnvSpec.js
+++ b/spec/core/integration/EnvSpec.js
@@ -1354,6 +1354,7 @@ describe('Env integration', function() {
       env.it('spec 1', secondSpec);
     });
 
+    env.configure({ random: false });
     await env.execute();
 
     expect(firstSpec).toHaveBeenCalled();
diff --git a/src/core/Env.js b/src/core/Env.js
index 3b8c2961..debe99e2 100644
--- a/src/core/Env.js
+++ b/src/core/Env.js
@@ -26,7 +26,10 @@ getJasmineRequireObj().Env = function(j$) {
       new j$.MockDate(global)
     );
 
-    const runnableResources = {};
+    const runnableResources = new j$.RunnableResources(function() {
+      const r = currentRunnable();
+      return r ? r.id : null;
+    });
 
     let topSuite;
     let currentSpec = null;
@@ -36,7 +39,6 @@ getJasmineRequireObj().Env = function(j$) {
     let hasFailures = false;
     let deprecator;
     let reporter;
-    let spyRegistry;
 
     /**
      * This represents the available options to configure Jasmine.
@@ -230,74 +232,27 @@ getJasmineRequireObj().Env = function(j$) {
     };
 
     this.setDefaultSpyStrategy = function(defaultStrategyFn) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Default spy strategy must be set in a before function or a spec'
-        );
-      }
-      runnableResources[
-        currentRunnable().id
-      ].defaultStrategyFn = defaultStrategyFn;
+      runnableResources.setDefaultSpyStrategy(defaultStrategyFn);
     };
 
     this.addSpyStrategy = function(name, fn) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Custom spy strategies must be added in a before function or a spec'
-        );
-      }
-      runnableResources[currentRunnable().id].customSpyStrategies[name] = fn;
+      runnableResources.customSpyStrategies()[name] = fn;
     };
 
     this.addCustomEqualityTester = function(tester) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Custom Equalities must be added in a before function or a spec'
-        );
-      }
-      runnableResources[currentRunnable().id].customEqualityTesters.push(
-        tester
-      );
+      runnableResources.customEqualityTesters().push(tester);
     };
 
     this.addMatchers = function(matchersToAdd) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Matchers must be added in a before function or a spec'
-        );
-      }
-      const customMatchers =
-        runnableResources[currentRunnable().id].customMatchers;
-
-      for (const matcherName in matchersToAdd) {
-        customMatchers[matcherName] = matchersToAdd[matcherName];
-      }
+      runnableResources.addCustomMatchers(matchersToAdd);
     };
 
     this.addAsyncMatchers = function(matchersToAdd) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Async Matchers must be added in a before function or a spec'
-        );
-      }
-      const customAsyncMatchers =
-        runnableResources[currentRunnable().id].customAsyncMatchers;
-
-      for (const matcherName in matchersToAdd) {
-        customAsyncMatchers[matcherName] = matchersToAdd[matcherName];
-      }
+      runnableResources.addCustomAsyncMatchers(matchersToAdd);
     };
 
     this.addCustomObjectFormatter = function(formatter) {
-      if (!currentRunnable()) {
-        throw new Error(
-          'Custom object formatters must be added in a before function or a spec'
-        );
-      }
-
-      runnableResources[currentRunnable().id].customObjectFormatters.push(
-        formatter
-      );
+      runnableResources.customObjectFormatters().push(formatter);
     };
 
     j$.Expectation.addCoreMatchers(j$.matchers);
@@ -315,31 +270,10 @@ getJasmineRequireObj().Env = function(j$) {
       return 'suite' + nextSuiteId++;
     }
 
-    function makePrettyPrinter() {
-      const customObjectFormatters =
-        runnableResources[currentRunnable().id].customObjectFormatters;
-      return j$.makePrettyPrinter(customObjectFormatters);
-    }
-
-    function makeMatchersUtil() {
-      const cr = currentRunnable();
-
-      if (cr) {
-        const customEqualityTesters =
-          runnableResources[cr.id].customEqualityTesters;
-        return new j$.MatchersUtil({
-          customTesters: customEqualityTesters,
-          pp: makePrettyPrinter()
-        });
-      } else {
-        return new j$.MatchersUtil({ pp: j$.basicPrettyPrinter_ });
-      }
-    }
-
     const expectationFactory = function(actual, spec) {
       return j$.Expectation.factory({
-        matchersUtil: makeMatchersUtil(),
-        customMatchers: runnableResources[spec.id].customMatchers,
+        matchersUtil: runnableResources.makeMatchersUtil(),
+        customMatchers: runnableResources.customMatchers(),
         actual: actual,
         addExpectationResult: addExpectationResult
       });
@@ -416,8 +350,8 @@ getJasmineRequireObj().Env = function(j$) {
 
     const asyncExpectationFactory = function(actual, spec, runableType) {
       return j$.Expectation.asyncFactory({
-        matchersUtil: makeMatchersUtil(),
-        customAsyncMatchers: runnableResources[spec.id].customAsyncMatchers,
+        matchersUtil: runnableResources.makeMatchersUtil(),
+        customAsyncMatchers: runnableResources.customAsyncMatchers(),
         actual: actual,
         addExpectationResult: addExpectationResult
       });
@@ -437,45 +371,6 @@ getJasmineRequireObj().Env = function(j$) {
       return asyncExpectationFactory(actual, suite, 'Spec');
     };
 
-    function defaultResourcesForRunnable(id, parentRunnableId) {
-      const resources = {
-        spies: [],
-        customEqualityTesters: [],
-        customMatchers: {},
-        customAsyncMatchers: {},
-        customSpyStrategies: {},
-        defaultStrategyFn: undefined,
-        customObjectFormatters: []
-      };
-
-      if (runnableResources[parentRunnableId]) {
-        resources.customEqualityTesters = j$.util.clone(
-          runnableResources[parentRunnableId].customEqualityTesters
-        );
-        resources.customMatchers = j$.util.clone(
-          runnableResources[parentRunnableId].customMatchers
-        );
-        resources.customAsyncMatchers = j$.util.clone(
-          runnableResources[parentRunnableId].customAsyncMatchers
-        );
-        resources.customObjectFormatters = j$.util.clone(
-          runnableResources[parentRunnableId].customObjectFormatters
-        );
-        resources.customSpyStrategies = j$.util.clone(
-          runnableResources[parentRunnableId].customSpyStrategies
-        );
-        resources.defaultStrategyFn =
-          runnableResources[parentRunnableId].defaultStrategyFn;
-      }
-
-      runnableResources[id] = resources;
-    }
-
-    function clearResourcesForRunnable(id) {
-      spyRegistry.clearSpies();
-      delete runnableResources[id];
-    }
-
     function beforeAndAfterFns(targetSuite) {
       return function() {
         let befores = [],
@@ -701,7 +596,7 @@ getJasmineRequireObj().Env = function(j$) {
         topSuite.reset();
       }
       this._executedBefore = true;
-      defaultResourcesForRunnable(topSuite.id);
+      runnableResources.initForRunnable(topSuite.id);
       installGlobalErrors();
 
       if (!runnablesToRun) {
@@ -724,7 +619,7 @@ getJasmineRequireObj().Env = function(j$) {
         failSpecWithNoExpectations: config.failSpecWithNoExpectations,
         nodeStart: function(suite, next) {
           currentlyExecutingSuites.push(suite);
-          defaultResourcesForRunnable(suite.id, suite.parentSuite.id);
+          runnableResources.initForRunnable(suite.id, suite.parentSuite.id);
           reporter.suiteStarted(suite.result, next);
           suite.startTimer();
         },
@@ -733,7 +628,7 @@ getJasmineRequireObj().Env = function(j$) {
             throw new Error('Tried to complete the wrong suite');
           }
 
-          clearResourcesForRunnable(suite.id);
+          runnableResources.clearForRunnable(suite.id);
           currentlyExecutingSuites.pop();
 
           if (result.status === 'failed') {
@@ -798,7 +693,7 @@ getJasmineRequireObj().Env = function(j$) {
                   await reportChildrenOfBeforeAllFailure(topSuite);
                 }
 
-                clearResourcesForRunnable(topSuite.id);
+                runnableResources.clearForRunnable(topSuite.id);
                 currentlyExecutingSuites.pop();
                 let overallStatus, incompleteReason;
 
@@ -922,42 +817,6 @@ getJasmineRequireObj().Env = function(j$) {
       reporter.clearReporters();
     };
 
-    const spyFactory = new j$.SpyFactory(
-      function getCustomStrategies() {
-        const runnable = currentRunnable();
-
-        if (runnable) {
-          return runnableResources[runnable.id].customSpyStrategies;
-        }
-
-        return {};
-      },
-      function getDefaultStrategyFn() {
-        const runnable = currentRunnable();
-
-        if (runnable) {
-          return runnableResources[runnable.id].defaultStrategyFn;
-        }
-
-        return undefined;
-      },
-      makeMatchersUtil
-    );
-
-    spyRegistry = new j$.SpyRegistry({
-      currentSpies: function() {
-        if (!currentRunnable()) {
-          throw new Error(
-            'Spies must be created in a before function or a spec'
-          );
-        }
-        return runnableResources[currentRunnable().id].spies;
-      },
-      createSpy: function(name, originalFn) {
-        return self.createSpy(name, originalFn);
-      }
-    });
-
     /**
      * Configures whether Jasmine should allow the same function to be spied on
      * more than once during the execution of a spec. By default, spying on
@@ -968,32 +827,40 @@ getJasmineRequireObj().Env = function(j$) {
      * @param {boolean} allow Whether to allow respying
      */
     this.allowRespy = function(allow) {
-      spyRegistry.allowRespy(allow);
+      runnableResources.spyRegistry.allowRespy(allow);
     };
 
     this.spyOn = function() {
-      return spyRegistry.spyOn.apply(spyRegistry, arguments);
+      return runnableResources.spyRegistry.spyOn.apply(
+        runnableResources.spyRegistry,
+        arguments
+      );
     };
 
     this.spyOnProperty = function() {
-      return spyRegistry.spyOnProperty.apply(spyRegistry, arguments);
+      return runnableResources.spyRegistry.spyOnProperty.apply(
+        runnableResources.spyRegistry,
+        arguments
+      );
     };
 
     this.spyOnAllFunctions = function() {
-      return spyRegistry.spyOnAllFunctions.apply(spyRegistry, arguments);
+      return runnableResources.spyRegistry.spyOnAllFunctions.apply(
+        runnableResources.spyRegistry,
+        arguments
+      );
     };
 
     this.createSpy = function(name, originalFn) {
-      if (arguments.length === 1 && j$.isFunction_(name)) {
-        originalFn = name;
-        name = originalFn.name;
-      }
-
-      return spyFactory.createSpy(name, originalFn);
+      return runnableResources.spyFactory.createSpy(name, originalFn);
     };
 
     this.createSpyObj = function(baseName, methodNames, propertyNames) {
-      return spyFactory.createSpyObj(baseName, methodNames, propertyNames);
+      return runnableResources.spyFactory.createSpyObj(
+        baseName,
+        methodNames,
+        propertyNames
+      );
     };
 
     function ensureIsFunction(fn, caller) {
@@ -1148,7 +1015,7 @@ getJasmineRequireObj().Env = function(j$) {
       return spec;
 
       function specResultCallback(result, next) {
-        clearResourcesForRunnable(spec.id);
+        runnableResources.clearForRunnable(spec.id);
         currentSpec = null;
 
         if (result.status === 'failed') {
@@ -1160,7 +1027,7 @@ getJasmineRequireObj().Env = function(j$) {
 
       function specStarted(spec, next) {
         currentSpec = spec;
-        defaultResourcesForRunnable(spec.id, suite.id);
+        runnableResources.initForRunnable(spec.id, suite.id);
         reporter.specStarted(spec.result, next);
       }
     };
@@ -1382,7 +1249,8 @@ getJasmineRequireObj().Env = function(j$) {
           message += error;
         } else {
           // pretty print all kind of objects. This includes arrays.
-          message += makePrettyPrinter()(error);
+          const pp = runnableResources.makePrettyPrinter();
+          message += pp(error);
         }
       }
 
diff --git a/src/core/RunnableResources.js b/src/core/RunnableResources.js
new file mode 100644
index 00000000..112a07e1
--- /dev/null
+++ b/src/core/RunnableResources.js
@@ -0,0 +1,154 @@
+getJasmineRequireObj().RunnableResources = function(j$) {
+  class RunnableResources {
+    constructor(getCurrentRunnableId) {
+      this.byRunnableId_ = {};
+      this.getCurrentRunnableId_ = getCurrentRunnableId;
+
+      this.spyFactory = new j$.SpyFactory(
+        () => {
+          if (this.getCurrentRunnableId_()) {
+            return this.customSpyStrategies();
+          } else {
+            return {};
+          }
+        },
+        () => this.defaultSpyStrategy(),
+        () => this.makeMatchersUtil()
+      );
+
+      this.spyRegistry = new j$.SpyRegistry({
+        currentSpies: () => this.spies(),
+        createSpy: (name, originalFn) =>
+          this.spyFactory.createSpy(name, originalFn)
+      });
+    }
+
+    initForRunnable(runnableId, parentId) {
+      const newRes = (this.byRunnableId_[runnableId] = {
+        customEqualityTesters: [],
+        customMatchers: {},
+        customAsyncMatchers: {},
+        customSpyStrategies: {},
+        customObjectFormatters: [],
+        defaultSpyStrategy: undefined,
+        spies: []
+      });
+
+      const parentRes = this.byRunnableId_[parentId];
+
+      if (parentRes) {
+        newRes.defaultSpyStrategy = parentRes.defaultSpyStrategy;
+        const toClone = [
+          'customEqualityTesters',
+          'customMatchers',
+          'customAsyncMatchers',
+          'customObjectFormatters',
+          'customSpyStrategies'
+        ];
+
+        for (const k of toClone) {
+          newRes[k] = j$.util.clone(parentRes[k]);
+        }
+      }
+    }
+
+    clearForRunnable(runnableId) {
+      this.spyRegistry.clearSpies();
+      delete this.byRunnableId_[runnableId];
+    }
+
+    spies() {
+      return this.forCurrentRunnable_(
+        'Spies must be created in a before function or a spec'
+      ).spies;
+    }
+
+    defaultSpyStrategy() {
+      if (!this.getCurrentRunnableId_()) {
+        return undefined;
+      }
+
+      return this.byRunnableId_[this.getCurrentRunnableId_()]
+        .defaultSpyStrategy;
+    }
+
+    setDefaultSpyStrategy(fn) {
+      this.forCurrentRunnable_(
+        'Default spy strategy must be set in a before function or a spec'
+      ).defaultSpyStrategy = fn;
+    }
+
+    customSpyStrategies() {
+      return this.forCurrentRunnable_(
+        'Custom spy strategies must be added in a before function or a spec'
+      ).customSpyStrategies;
+    }
+
+    customEqualityTesters() {
+      return this.forCurrentRunnable_(
+        'Custom Equalities must be added in a before function or a spec'
+      ).customEqualityTesters;
+    }
+
+    customMatchers() {
+      return this.forCurrentRunnable_(
+        'Matchers must be added in a before function or a spec'
+      ).customMatchers;
+    }
+
+    addCustomMatchers(matchersToAdd) {
+      const matchers = this.customMatchers();
+
+      for (const name in matchersToAdd) {
+        matchers[name] = matchersToAdd[name];
+      }
+    }
+
+    customAsyncMatchers() {
+      return this.forCurrentRunnable_(
+        'Async Matchers must be added in a before function or a spec'
+      ).customAsyncMatchers;
+    }
+
+    addCustomAsyncMatchers(matchersToAdd) {
+      const matchers = this.customAsyncMatchers();
+
+      for (const name in matchersToAdd) {
+        matchers[name] = matchersToAdd[name];
+      }
+    }
+
+    customObjectFormatters() {
+      return this.forCurrentRunnable_(
+        'Custom object formatters must be added in a before function or a spec'
+      ).customObjectFormatters;
+    }
+
+    makePrettyPrinter() {
+      return j$.makePrettyPrinter(this.customObjectFormatters());
+    }
+
+    makeMatchersUtil() {
+      if (this.getCurrentRunnableId_()) {
+        return new j$.MatchersUtil({
+          customTesters: this.customEqualityTesters(),
+          pp: this.makePrettyPrinter()
+        });
+      } else {
+        return new j$.MatchersUtil({ pp: j$.basicPrettyPrinter_ });
+      }
+    }
+
+    forCurrentRunnable_(errorMsg) {
+      const resources = this.byRunnableId_[this.getCurrentRunnableId_()];
+
+      if (!resources && errorMsg) {
+        throw new Error(errorMsg);
+      }
+
+      return resources;
+    }
+  }
+
+  return RunnableResources;
+};
diff --git a/src/core/SpyFactory.js b/src/core/SpyFactory.js
index d20d6539..a9768e1e 100644
--- a/src/core/SpyFactory.js
+++ b/src/core/SpyFactory.js
@@ -5,6 +5,11 @@ getJasmineRequireObj().SpyFactory = function(j$) {
     getMatchersUtil
   ) {
     this.createSpy = function(name, originalFn) {
+      if (j$.isFunction_(name) && originalFn === undefined) {
+        originalFn = name;
+        name = originalFn.name;
+      }
+
       return j$.Spy(name, getMatchersUtil(), {
         originalFn,
         customStrategies: getCustomStrategies(),
diff --git a/src/core/requireCore.js b/src/core/requireCore.js
index da49dc83..2ef0636e 100644
--- a/src/core/requireCore.js
+++ b/src/core/requireCore.js
@@ -68,6 +68,7 @@ var getJasmineRequireObj = (function(jasmineGlobal) {
       j$
     );
     j$.ReportDispatcher = jRequire.ReportDispatcher(j$);
+    j$.RunnableResources = jRequire.RunnableResources(j$);
     j$.Spec = jRequire.Spec(j$);
     j$.Spy = jRequire.Spy(j$);
     j$.SpyFactory = jRequire.SpyFactory(j$);