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callContext.js
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import sinon from "sinon";
import { expect, AssertionError } from "chai";
describe("Call context", function () {
var spy = null;
var target = null;
var notTheTarget = null;
beforeEach(function () {
spy = sinon.spy();
target = {};
notTheTarget = {};
});
describe("calledOn", function () {
it("should throw an assertion error if the spy is never called", function () {
expect(function () {
spy.should.have.been.calledOn(target);
}).to.throw(AssertionError);
});
it("should throw an assertion error if the spy is called without a context", function () {
spy();
expect(function () {
spy.should.have.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.getCall(0).should.have.been.calledOn(target);
}).to.throw(AssertionError);
});
it("should throw an assertion error if the spy is called on the wrong context", function () {
spy.call(notTheTarget);
expect(function () {
spy.should.have.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.getCall(0).should.have.been.calledOn(target);
}).to.throw(AssertionError);
});
it("should not throw if the spy is called on the specified context", function () {
spy.call(target);
expect(function () {
spy.should.have.been.calledOn(target);
}).to.not.throw();
expect(function () {
spy.getCall(0).should.have.been.calledOn(target);
}).to.not.throw();
});
it("should not throw if the spy is called on another context and also the specified context", function () {
spy.call(notTheTarget);
spy.call(target);
expect(function () {
spy.should.have.been.calledOn(target);
}).to.not.throw();
expect(function () {
spy.getCall(1).should.have.been.calledOn(target);
}).to.not.throw();
});
});
describe("always calledOn", function () {
it("should throw an assertion error if the spy is never called", function () {
expect(function () {
spy.should.always.have.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.should.have.always.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.should.have.been.always.calledOn(target);
}).to.throw(AssertionError);
});
it("should throw an assertion error if the spy is called without a context", function () {
spy();
expect(function () {
spy.should.always.have.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.should.have.always.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.should.have.been.always.calledOn(target);
}).to.throw(AssertionError);
});
it("should throw an assertion error if the spy is called on the wrong context", function () {
spy.call(notTheTarget);
expect(function () {
spy.should.always.have.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.should.have.always.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.should.have.been.always.calledOn(target);
}).to.throw(AssertionError);
});
it("should not throw if the spy is called on the specified context", function () {
spy.call(target);
expect(function () {
spy.should.always.have.been.calledOn(target);
}).to.not.throw();
expect(function () {
spy.should.have.always.been.calledOn(target);
}).to.not.throw();
expect(function () {
spy.should.have.been.always.calledOn(target);
}).to.not.throw();
});
it("should throw an assertion error if the spy is called on another context and also the specified context",
function () {
spy.call(notTheTarget);
spy.call(target);
expect(function () {
spy.should.always.have.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.should.have.always.been.calledOn(target);
}).to.throw(AssertionError);
expect(function () {
spy.should.have.been.always.calledOn(target);
}).to.throw(AssertionError);
});
});
});