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Add partial support for not -- e.g. expect(xxx).not.toEqual(yyy). Old-style custom matchers not yet supported.

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This commit is contained in:
Christian Williams 2009-12-24 17:01:13 -05:00
parent 20a00d517e
commit d16e2b7992
3 changed files with 84 additions and 29 deletions
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96
spec/suites/MatchersSpec.js
View File

@ -1,14 +1,23 @@
describe("jasmine.Matchers", function() {
var env, mockSpec;
var env, spec;
beforeEach(function() {
env = new jasmine.Env();
env.updateInterval = 0;
mockSpec = jasmine.createSpyObj('spec', ['addMatcherResult']);
var suite = env.describe("suite", function() {
spec = env.it("spec", function() {
});
});
spyOn(spec, 'addMatcherResult');
});
function match(value) {
return new env.matchersClass(env, value, mockSpec);
return spec.expect(value);
}
function lastResult() {
return spec.addMatcherResult.mostRecentCall.args[0];
}
it("toEqual with primitives, objects, dates, html nodes, etc.", function() {
@ -53,7 +62,7 @@ describe("jasmine.Matchers", function() {
var expected = 'b';
matcher.toEqual(expected);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toEqual");
expect(result.passed()).toEqual(false);
@ -68,7 +77,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(str);
matcher.toNotEqual(str);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toNotEqual");
expect(result.passed()).toEqual(false);
@ -97,7 +106,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(actual);
matcher.toBe(expected);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toBe");
expect(result.passed()).toEqual(false);
@ -112,7 +121,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(str);
matcher.toNotBe(str);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toNotBe");
expect(result.passed()).toEqual(false);
@ -141,7 +150,7 @@ describe("jasmine.Matchers", function() {
var expected = /b/;
matcher.toMatch(expected);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toMatch");
expect(result.passed()).toEqual(false);
@ -157,7 +166,7 @@ describe("jasmine.Matchers", function() {
var expected = 'b';
matcher.toMatch(expected);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toMatch");
expect(result.passed()).toEqual(false);
@ -172,7 +181,7 @@ describe("jasmine.Matchers", function() {
var expected = /a/;
matcher.toNotMatch(expected);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toNotMatch");
expect(result.passed()).toEqual(false);
@ -186,7 +195,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(str);
matcher.toNotMatch(str);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toNotMatch");
expect(result.passed()).toEqual(false);
@ -204,7 +213,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(jasmine.undefined);
matcher.toBeDefined();
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toBeDefined");
expect(result.passed()).toEqual(false);
@ -228,7 +237,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(actual);
matcher.toBeNull();
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toBeNull");
expect(result.passed()).toEqual(false);
@ -242,7 +251,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(actual);
matcher.toBeNull();
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toBeNull");
expect(result.passed()).toEqual(false);
@ -264,7 +273,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(actual);
matcher.toBeFalsy();
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toBeFalsy");
expect(result.passed()).toEqual(false);
@ -288,7 +297,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(false);
matcher.toBeTruthy();
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toBeTruthy");
expect(result.passed()).toEqual(false);
@ -362,7 +371,7 @@ describe("jasmine.Matchers", function() {
var expected = 'x';
matcher.toContain(expected);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toContain");
expect(result.passed()).toEqual(false);
@ -379,7 +388,7 @@ describe("jasmine.Matchers", function() {
var expected = 'b';
matcher.toNotContain(expected);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toNotContain");
expect(result.passed()).toEqual(false);
@ -402,7 +411,7 @@ describe("jasmine.Matchers", function() {
var expected = 1;
matcher.toBeLessThan(expected);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toBeLessThan");
expect(result.passed()).toEqual(false);
@ -424,7 +433,7 @@ describe("jasmine.Matchers", function() {
var expected = 3;
matcher.toBeGreaterThan(expected);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("toBeGreaterThan");
expect(result.passed()).toEqual(false);
@ -443,17 +452,17 @@ describe("jasmine.Matchers", function() {
expect(expected.toThrow(new Error("Fake Error"))).toEqual(true);
expect(expected.toThrow("Other Error")).toEqual(false);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.message).toMatch("Other Error");
expect(expected.toThrow(new Error("Other Error"))).toEqual(false);
result = mockSpec.addMatcherResult.mostRecentCall.args[0];
result = lastResult();
expect(result.message).toMatch("Other Error");
var exception;
try {
(function () {
new jasmine.Matchers(env, 'not-a-function', mockSpec).toThrow();
new jasmine.Matchers(env, 'not-a-function', spec).toThrow();
})();
} catch (e) {
exception = e;
@ -465,10 +474,45 @@ describe("jasmine.Matchers", function() {
expect(match(function() {
}).toThrow()).toEqual(false);
result = mockSpec.addMatcherResult.mostRecentCall.args[0];
result = lastResult();
expect(result.message).toEqual('Expected function to throw an exception.');
});
describe(".not.matcher", function() {
it("should invert the sense of any matcher", function() {
expect(match(37).not.toBeGreaterThan(42)).toEqual(true);
expect(match(42).not.toBeGreaterThan(37)).toEqual(false);
expect(match("abc").not.toEqual("def")).toEqual(true);
expect(match("abc").not.toEqual("abc")).toEqual(false);
});
it("should provide an inverted default message", function() {
match(37).not.toBeGreaterThan(42);
expect(lastResult().message).toEqual("Passed.");
match(42).not.toBeGreaterThan(37);
expect(lastResult().message).toEqual("Expected 42 not to be greater than 37.");
});
it("should use the second message when the matcher sets an array of custom messages", function() {
spec.addMatchers({
custom: function() {
this.message = function() {
return ['Expected it was called.', 'Expected it wasn\'t called.'];
};
return this.actual;
}
});
match(true).custom();
expect(lastResult().message).toEqual("Passed.");
match(false).custom();
expect(lastResult().message).toEqual("Expected it was called.");
match(true).not.custom();
expect(lastResult().message).toEqual("Expected it wasn't called.");
match(false).not.custom();
expect(lastResult().message).toEqual("Passed.");
});
});
describe("spy matchers >>", function() {
@ -541,7 +585,7 @@ describe("jasmine.Matchers", function() {
TestClass.spyFunction('a', 'b', 'c');
var expected = match(TestClass.spyFunction);
expect(expected.wasCalledWith('c', 'b', 'a')).toEqual(false);
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.passed()).toEqual(false);
expect(result.expected).toEqual(['c', 'b', 'a']);
expect(result.actual.mostRecentCall.args).toEqual(['a', 'b', 'c']);
@ -575,7 +619,7 @@ describe("jasmine.Matchers", function() {
var matcher = match(TestClass.someFunction);
matcher.wasCalledWith('a', 'b');
var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
var result = lastResult();
expect(result.matcherName).toEqual("wasCalledWith");
expect(result.passed()).toEqual(false);
expect(result.message).toMatch("['a', 'b']");

13
src/Matchers.js
View File

@ -4,10 +4,11 @@
* @param actual
* @param {jasmine.Spec} spec
*/
jasmine.Matchers = function(env, actual, spec) {
jasmine.Matchers = function(env, actual, spec, opt_isNot) {
this.env = env;
this.actual = actual;
this.spec = spec;
this.isNot = opt_isNot || false;
this.reportWasCalled_ = false;
};
@ -41,15 +42,23 @@ jasmine.Matchers.matcherFn_ = function(matcherName, matcherFunction) {
return function() {
var matcherArgs = jasmine.util.argsToArray(arguments);
var result = matcherFunction.apply(this, arguments);
if (this.isNot) {
result = !result;
}
if (this.reportWasCalled_) return result;
var message;
if (!result) {
if (this.message) {
message = this.message.apply(this, arguments);
if (jasmine.isArray_(message)) {
message = message[this.isNot ? 1 : 0];
}
} else {
var englishyPredicate = matcherName.replace(/[A-Z]/g, function(s) { return ' ' + s.toLowerCase(); });
message = "Expected " + jasmine.pp(this.actual) + " " + englishyPredicate;
message = "Expected " + jasmine.pp(this.actual) + (this.isNot ? " not " : " ") + englishyPredicate;
if (matcherArgs.length > 0) {
for (var i = 0; i < matcherArgs.length; i++) {
if (i > 0) message += ",";

4
src/Spec.js
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@ -65,7 +65,9 @@ jasmine.Spec.prototype.addMatcherResult = function(result) {
};
jasmine.Spec.prototype.expect = function(actual) {
return new (this.getMatchersClass_())(this.env, actual, this);
var positive = new (this.getMatchersClass_())(this.env, actual, this);
positive.not = new (this.getMatchersClass_())(this.env, actual, this, true);
return positive;
};
jasmine.Spec.prototype.waits = function(timeout) {