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Wrapped matcher functions return undefined after expect() for futureproofing; we might want to allow matcher chaining, e.g.:

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expect(x).toBeGreaterThan(3).and.toBeLessThan(6));
or other stuff e.g.:
  expect(x).toBeTrue().because("it just needs to be");
This commit is contained in:
Christian Williams
2010-08-04 13:52:38 -07:00
parent 676af93bea
commit 5182e00c66
3 changed files with 185 additions and 165 deletions
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27
spec/suites/CustomMatchersSpec.js
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@@ -11,15 +11,21 @@ describe("Custom Matchers", function() {
var spec1, spec2, spec1Matcher, spec2Matcher;
var suite = env.describe('some suite', function() {
env.beforeEach(function() {
this.addMatchers({ matcherForSuite: function(expected) {
return "matcherForSuite: actual: " + this.actual + "; expected: " + expected;
} });
this.addMatchers({
matcherForSuite: function(expected) {
this.message = "matcherForSuite: actual: " + this.actual + "; expected: " + expected;
return true;
}
});
});
spec1 = env.it('spec with an expectation').runs(function () {
this.addMatchers({ matcherForSpec: function(expected) {
return "matcherForSpec: actual: " + this.actual + "; expected: " + expected;
} });
this.addMatchers({
matcherForSpec: function(expected) {
this.message = "matcherForSpec: actual: " + this.actual + "; expected: " + expected;
return true;
}
});
spec1Matcher = this.expect("xxx");
});
@@ -30,10 +36,13 @@ describe("Custom Matchers", function() {
suite.execute();
expect(spec1Matcher.matcherForSuite("expected")).toEqual("matcherForSuite: actual: xxx; expected: expected");
expect(spec1Matcher.matcherForSpec("expected")).toEqual("matcherForSpec: actual: xxx; expected: expected");
spec1Matcher.matcherForSuite("expected");
expect(spec1Matcher.message).toEqual("matcherForSuite: actual: xxx; expected: expected");
spec1Matcher.matcherForSpec("expected");
expect(spec1Matcher.message).toEqual("matcherForSpec: actual: xxx; expected: expected");
expect(spec2Matcher.matcherForSuite("expected")).toEqual("matcherForSuite: actual: yyy; expected: expected");
spec2Matcher.matcherForSuite("expected");
expect(spec2Matcher.message).toEqual("matcherForSuite: actual: yyy; expected: expected");
expect(spec2Matcher.matcherForSpec).toBe(jasmine.undefined);
});