Files
jasmine/spec/core/matchers/toHaveBeenCalledOnceWithSpec.js
2022-04-16 13:41:44 -07:00

109 lines
4.3 KiB
JavaScript

describe('toHaveBeenCalledOnceWith', function() {
it('passes when the actual was called only once and with matching parameters', function() {
const pp = jasmineUnderTest.makePrettyPrinter(),
util = new jasmineUnderTest.MatchersUtil({ pp: pp }),
matcher = jasmineUnderTest.matchers.toHaveBeenCalledOnceWith(util),
calledSpy = new jasmineUnderTest.Spy('called-spy');
calledSpy('a', 'b');
const result = matcher.compare(calledSpy, 'a', 'b');
expect(result.pass).toBe(true);
expect(result.message).toEqual(
"Expected spy called-spy to have been called 0 times, multiple times, or once, but with arguments different from:\n [ 'a', 'b' ]\nBut the actual call was:\n [ 'a', 'b' ].\n\n"
);
});
it('supports custom equality testers', function() {
const customEqualityTesters = [
function() {
return true;
}
],
matchersUtil = new jasmineUnderTest.MatchersUtil({
customTesters: customEqualityTesters
}),
matcher = jasmineUnderTest.matchers.toHaveBeenCalledOnceWith(
matchersUtil
),
calledSpy = new jasmineUnderTest.Spy('called-spy');
calledSpy('a', 'b');
const result = matcher.compare(calledSpy, 'a', 'a');
expect(result.pass).toBe(true);
});
it('fails when the actual was never called', function() {
const pp = jasmineUnderTest.makePrettyPrinter(),
util = new jasmineUnderTest.MatchersUtil({ pp: pp }),
matcher = jasmineUnderTest.matchers.toHaveBeenCalledOnceWith(util),
calledSpy = new jasmineUnderTest.Spy('called-spy');
const result = matcher.compare(calledSpy, 'a', 'b');
expect(result.pass).toBe(false);
expect(result.message).toEqual(
"Expected spy called-spy to have been called only once, and with given args:\n [ 'a', 'b' ]\nBut it was never called.\n\n"
);
});
it('fails when the actual was called once with different parameters', function() {
const pp = jasmineUnderTest.makePrettyPrinter(),
util = new jasmineUnderTest.MatchersUtil({ pp: pp }),
matcher = jasmineUnderTest.matchers.toHaveBeenCalledOnceWith(util),
calledSpy = new jasmineUnderTest.Spy('called-spy');
calledSpy('a', 'c');
const result = matcher.compare(calledSpy, 'a', 'b');
expect(result.pass).toBe(false);
expect(result.message).toEqual(
"Expected spy called-spy to have been called only once, and with given args:\n [ 'a', 'b' ]\nBut the actual call was:\n [ 'a', 'c' ].\nExpected $[1] = 'c' to equal 'b'.\n\n"
);
});
it('fails when the actual was called multiple times with expected parameters', function() {
const pp = jasmineUnderTest.makePrettyPrinter(),
util = new jasmineUnderTest.MatchersUtil({ pp: pp }),
matcher = jasmineUnderTest.matchers.toHaveBeenCalledOnceWith(util),
calledSpy = new jasmineUnderTest.Spy('called-spy');
calledSpy('a', 'b');
calledSpy('a', 'b');
const result = matcher.compare(calledSpy, 'a', 'b');
expect(result.pass).toBe(false);
expect(result.message).toEqual(
"Expected spy called-spy to have been called only once, and with given args:\n [ 'a', 'b' ]\nBut the actual calls were:\n [ 'a', 'b' ],\n [ 'a', 'b' ].\n\n"
);
});
it('fails when the actual was called multiple times (one of them - with expected parameters)', function() {
const pp = jasmineUnderTest.makePrettyPrinter(),
util = new jasmineUnderTest.MatchersUtil({ pp: pp }),
matcher = jasmineUnderTest.matchers.toHaveBeenCalledOnceWith(util),
calledSpy = new jasmineUnderTest.Spy('called-spy');
calledSpy('a', 'b');
calledSpy('a', 'c');
const result = matcher.compare(calledSpy, 'a', 'b');
expect(result.pass).toBe(false);
expect(result.message).toEqual(
"Expected spy called-spy to have been called only once, and with given args:\n [ 'a', 'b' ]\nBut the actual calls were:\n [ 'a', 'b' ],\n [ 'a', 'c' ].\n\n"
);
});
it('throws an exception when the actual is not a spy', function() {
const pp = jasmineUnderTest.makePrettyPrinter(),
util = new jasmineUnderTest.MatchersUtil({ pp: pp }),
matcher = jasmineUnderTest.matchers.toHaveBeenCalledOnceWith(util),
fn = function() {};
expect(function() {
matcher.compare(fn);
}).toThrowError(/Expected a spy, but got Function./);
});
});