98 lines
2.6 KiB
JavaScript
98 lines
2.6 KiB
JavaScript
describe("toThrow", function() {
|
|
it("throws an error when the actual is not a function", function() {
|
|
var matcher = j$.matchers.toThrow();
|
|
|
|
expect(function() {
|
|
matcher.compare({});
|
|
}).toThrow(new Error("Actual is not a Function")); // TODO: this needs to change for self-test
|
|
});
|
|
|
|
it("fails if actual does not throw", function() {
|
|
var matcher = j$.matchers.toThrow(),
|
|
fn = function() {
|
|
return true;
|
|
},
|
|
result;
|
|
|
|
result = matcher.compare(fn);
|
|
|
|
expect(result.pass).toBe(false);
|
|
expect(result.message).toEqual("Expected function to throw an exception.");
|
|
});
|
|
|
|
it("passes if it throws but there is no expected", function() {
|
|
var util = {
|
|
equals: jasmine.createSpy('delegated-equal').andReturn(true)
|
|
},
|
|
matcher = j$.matchers.toThrow(util),
|
|
fn = function() {
|
|
throw 5;
|
|
},
|
|
result;
|
|
|
|
result = matcher.compare(fn);
|
|
|
|
expect(result.pass).toBe(true);
|
|
expect(result.message).toEqual("Expected function not to throw.");
|
|
});
|
|
|
|
it("passes even if what is thrown is falsy", function() {
|
|
var matcher = j$.matchers.toThrow(),
|
|
fn = function() {
|
|
throw undefined;
|
|
},
|
|
result;
|
|
|
|
result = matcher.compare(fn);
|
|
expect(result.pass).toBe(true);
|
|
expect(result.message).toEqual("Expected function not to throw.");
|
|
});
|
|
|
|
it("passes if what is thrown is equivalent to what is expected", function() {
|
|
var util = {
|
|
equals: jasmine.createSpy('delegated-equal').andReturn(true)
|
|
},
|
|
matcher = j$.matchers.toThrow(util),
|
|
fn = function() {
|
|
throw 5;
|
|
},
|
|
result;
|
|
|
|
result = matcher.compare(fn, 5);
|
|
|
|
expect(result.pass).toBe(true);
|
|
expect(result.message).toEqual("Expected function not to throw 5.");
|
|
});
|
|
|
|
it("fails if what is thrown is not equivalent to what is expected", function() {
|
|
var util = {
|
|
equals: jasmine.createSpy('delegated-equal').andReturn(false)
|
|
},
|
|
matcher = j$.matchers.toThrow(util),
|
|
fn = function() {
|
|
throw 5;
|
|
},
|
|
result;
|
|
|
|
result = matcher.compare(fn, "foo");
|
|
|
|
expect(result.pass).toBe(false);
|
|
expect(result.message).toEqual("Expected function to throw 'foo'.");
|
|
});
|
|
|
|
it("fails if what is thrown is not equivalent to undefined", function() {
|
|
var util = {
|
|
equals: jasmine.createSpy('delegated-equal').andReturn(false)
|
|
},
|
|
matcher = j$.matchers.toThrow(util),
|
|
fn = function() {
|
|
throw 5;
|
|
},
|
|
result;
|
|
|
|
result = matcher.compare(fn, void 0);
|
|
|
|
expect(result.pass).toBe(false);
|
|
expect(result.message).toEqual("Expected function to throw undefined.");
|
|
});
|
|
}); |