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Nicer error messages for spyOn when null is provided

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Fixes #1258
This commit is contained in:
Gregg Van Hove
2017-02-15 15:55:27 -08:00
parent 52876a7bf2
commit 9fbd0ba551
3 changed files with 20 additions and 4 deletions
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4
lib/jasmine-core/jasmine.js
View File

@@ -3523,11 +3523,11 @@ getJasmineRequireObj().SpyRegistry = function(j$) {
this.spyOn = function(obj, methodName) {
if (j$.util.isUndefined(obj)) {
if (j$.util.isUndefined(obj) || obj === null) {
throw new Error(getErrorMsg('could not find an object to spy upon for ' + methodName + '()'));
}
if (j$.util.isUndefined(methodName)) {
if (j$.util.isUndefined(methodName) || methodName === null) {
throw new Error(getErrorMsg('No method name supplied'));
}

16
spec/core/SpyRegistrySpec.js
View File

@@ -16,6 +16,22 @@ describe("SpyRegistry", function() {
}).toThrowError(/No method name supplied/);
});
it("checks that the object is not `null`", function() {
var spyRegistry = new jasmineUnderTest.SpyRegistry();
expect(function() {
spyRegistry.spyOn(null, 'pants');
}).toThrowError(/could not find an object/);
});
it("checks that the method name is not `null`", function() {
var spyRegistry = new jasmineUnderTest.SpyRegistry(),
subject = {};
expect(function() {
spyRegistry.spyOn(subject, null);
}).toThrowError(/No method name supplied/);
});
it("checks for the existence of the method", function() {
var spyRegistry = new jasmineUnderTest.SpyRegistry(),
subject = {};

4
src/core/SpyRegistry.js
View File

@@ -12,11 +12,11 @@ getJasmineRequireObj().SpyRegistry = function(j$) {
this.spyOn = function(obj, methodName) {
if (j$.util.isUndefined(obj)) {
if (j$.util.isUndefined(obj) || obj === null) {
throw new Error(getErrorMsg('could not find an object to spy upon for ' + methodName + '()'));
}
if (j$.util.isUndefined(methodName)) {
if (j$.util.isUndefined(methodName) || methodName === null) {
throw new Error(getErrorMsg('No method name supplied'));
}