Files
jasmine/spec/core/matchers/toHaveSpyInteractionsSpec.js
2022-03-16 20:14:06 +08:00

58 lines
1.6 KiB
JavaScript
Executable File

describe('toHaveSpyInteractions', () => {
let spyObj;
beforeEach(() => {
spyObj = jasmineUnderTest.createSpyObj('NewClass', ['spyA', 'spyB']);
spyObj.otherMethod = function() {};
});
it('detects spy interactions', () => {
spyObj.spyA();
expect(spyObj).toHaveSpyInteractions();
});
it('detects multiple spy interactions', () => {
spyObj.spyA();
spyObj.spyB();
spyObj.spyA();
expect(spyObj).toHaveSpyInteractions();
});
it('detects no spy interactions', () => {
expect(spyObj).not.toHaveSpyInteractions();
});
it('ignores non-observed spy object interactions', () => {
spyObj.otherMethod();
expect(spyObj).not.toHaveSpyInteractions();
});
[true, 123, 'string'].forEach(testValue => {
it(`throws error if a non-object (${testValue}) is passed`, () => {
expect(() => {
expect(true).toHaveSpyInteractions();
}).toThrowError(Error, /Expected a spy object, but got/);
});
});
[['argument'], [false, 0]].forEach(testValue => {
it(`throws error if arguments (${testValue}) are passed`, () => {
expect(() => {
expect(spyObj).toHaveSpyInteractions(...testValue);
}).toThrowError(Error, /Does not take arguments/);
});
});
it('throws error if spy object has no spies', () => {
const newSpyObj = jasmine.createSpyObj('OtherClass', ['method']);
// Removing spy since spy objects cannot be created without spies.
newSpyObj.method = function() {};
expect(() => {
expect(newSpyObj).toHaveSpyInteractions();
}).toThrowError(
Error,
/Expected a spy object with spies, but object has no spies/
);
});
});