Files
jasmine/spec/core/matchers/toHaveSpyInteractionsSpec.js
Nito Buendia 1660015c12 Run formatter
2022-03-16 23:01:20 +08:00

100 lines
3.0 KiB
JavaScript
Executable File

describe('toHaveSpyInteractions', function() {
it('detects spy interactions', function() {
let matcher = jasmineUnderTest.matchers.toHaveSpyInteractions();
let spyObj = jasmineUnderTest
.getEnv()
.createSpyObj('NewClass', ['spyA', 'spyB']);
spyObj.spyA();
let result = matcher.compare(spyObj);
expect(result.pass).toBe(true);
expect(result.message).toContain(
'Expected spy object spies to have been called'
);
});
it('detects multiple spy interactions', function() {
let matcher = jasmineUnderTest.matchers.toHaveSpyInteractions();
let spyObj = jasmineUnderTest
.getEnv()
.createSpyObj('NewClass', ['spyA', 'spyB']);
spyObj.spyA();
spyObj.spyB();
spyObj.spyA();
let result = matcher.compare(spyObj);
expect(result.pass).toBe(true);
expect(result.message).toContain(
'Expected spy object spies to have been called'
);
});
it('detects no spy interactions', function() {
let matcher = jasmineUnderTest.matchers.toHaveSpyInteractions();
let spyObj = jasmineUnderTest
.getEnv()
.createSpyObj('NewClass', ['spyA', 'spyB']);
let result = matcher.compare(spyObj);
expect(result.pass).toBe(false);
expect(result.message).toContain(
'Expected spy object spies to have been called'
);
});
it('ignores non-observed spy object interactions', function() {
let matcher = jasmineUnderTest.matchers.toHaveSpyInteractions();
let spyObj = jasmineUnderTest
.getEnv()
.createSpyObj('NewClass', ['spyA', 'spyB']);
spyObj.otherMethod = function() {};
spyObj.otherMethod();
let result = matcher.compare(spyObj);
expect(result.pass).toBe(false);
expect(result.message).toContain(
'Expected spy object spies to have been called'
);
});
[true, 123, 'string'].forEach(function(testValue) {
it(`throws error if a non-object (${testValue}) is passed`, function() {
let matcher = jasmineUnderTest.matchers.toHaveSpyInteractions();
expect(function() {
matcher.compare(testValue);
}).toThrowError(Error, /Expected a spy object, but got/);
});
});
it('throws error if arguments are passed', function() {
let matcher = jasmineUnderTest.matchers.toHaveSpyInteractions();
let spyObj = jasmineUnderTest
.getEnv()
.createSpyObj('NewClass', ['spyA', 'spyB']);
expect(function() {
matcher.compare(spyObj, 'an argument');
}).toThrowError(Error, /Does not take arguments/);
});
it('throws error if spy object has no spies', function() {
let matcher = jasmineUnderTest.matchers.toHaveSpyInteractions();
const spyObj = jasmineUnderTest
.getEnv()
.createSpyObj('NewClass', ['notSpy']);
// Removing spy since spy objects cannot be created without spies.
spyObj.notSpy = function() {};
expect(function() {
matcher.compare(spyObj);
}).toThrowError(
Error,
/Expected a spy object with spies, but object has no spies/
);
});
});