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jasmine-immutable-matchers
Advanced tools
Add a set of custom matchers for Immutable related checks.
Just run:
$ npm install --save-dev jasmine-immutable-matchers
Load these matchers in a beforeEach
block, and then use them like any other matcher:
expect(Immutable.Map()).toBeImmutable()
This package includes the necessary declarations for TypeScript. Just make sure they get loaded in your project, for example by adding the package name to the types
field in your tsconfig.json
:
{
"compilerOptions": {
"module": "commonjs",
"target": "es5",
"types": [
"jasmine",
"jasmine-immutable-matchers"
]
}
}
Then just load the matchers at runtime in your tests:
import * as matchers from 'jasmine-immutable-matchers';
describe('My suite', function () {
beforeEach(function () {
jasmine.addMatchers(matchers);
});
it('passes if the object is immutable', function () {
expect(Immutable.Map()).toBeImmutable();
});
it('passes if the immutable objects are equal', function () {
expect(Immutable.Map({a: 1})).toEqualImmutable(Immutable.Map({a: 1}));
});
});
If you are using the new module syntax, import
all exported matchers:
import * as matchers from 'jasmine-immutable-matchers';
describe('My suite', function () {
beforeEach(function () {
jasmine.addMatchers(matchers);
});
it('passes if the object is immutable', function () {
expect(Immutable.Map()).toBeImmutable();
});
it('passes if the immutable objects are equal', function () {
expect(Immutable.Map({a: 1})).toEqualImmutable(Immutable.Map({a: 1}));
});
});
Note that jasmine-immutable-matchers
does not have a default export!
If you are using AMD or CommonJS, require
normally:
var matchers = require('jasmine-immutable-matchers');
describe('My suite', function () {
beforeEach(function () {
jasmine.addMatchers(matchers);
});
it('passes if the object is immutable', function () {
expect(Immutable.Map()).toBeImmutable();
});
it('passes if the immutable objects are equal', function () {
expect(Immutable.Map({a: 1})).toEqualImmutable(Immutable.Map({a: 1}));
});
});
Otherwise, use window['jasmine-immutable-matchers']
:
var matchers = window['jasmine-immutable-matchers'];
describe('My suite', function () {
beforeEach(function () {
jasmine.addMatchers(matchers);
});
it('passes if the object is immutable', function () {
expect(Immutable.Map()).toBeImmutable();
});
it('passes if the immutable objects are equal', function () {
expect(Immutable.Map({a: 1})).toEqualImmutable(Immutable.Map({a: 1}));
});
});
FAQs
Add a set of custom matchers for Immutable related checks.
The npm package jasmine-immutable-matchers receives a total of 976 weekly downloads. As such, jasmine-immutable-matchers popularity was classified as not popular.
We found that jasmine-immutable-matchers demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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