webpack/test/DependenciesBlockVariable.u...

93 lines
2.3 KiB
JavaScript

"use strict";
const sinon = require("sinon");
const DependenciesBlockVariable = require("../lib/DependenciesBlockVariable");
describe("DependenciesBlockVariable", () => {
let DependenciesBlockVariableInstance, dependencyMock, sandbox;
beforeEach(() => {
sandbox = sinon.sandbox.create();
dependencyMock = {
constructor: {
name: "DependencyMock"
},
disconnect: sandbox.spy(),
updateHash: sandbox.spy()
};
DependenciesBlockVariableInstance = new DependenciesBlockVariable(
"dependencies-name",
"expression",
[dependencyMock]
);
});
afterEach(() => sandbox.restore());
describe("hasDependencies", () =>
it("returns `true` if has dependencies", () =>
expect(DependenciesBlockVariableInstance.hasDependencies()).toBe(true)));
describe("disconnect", () =>
it("trigger dependencies disconnection", () => {
DependenciesBlockVariableInstance.disconnect();
expect(dependencyMock.disconnect.calledOnce).toBe(true);
}));
describe("updateHash", () => {
let hash;
beforeEach(() => {
hash = {
update: sandbox.spy()
};
DependenciesBlockVariableInstance.updateHash(hash);
});
it("should update hash dependencies with name", () =>
expect(hash.update.calledWith("dependencies-name")).toBe(true));
it("should update hash dependencies with expression", () =>
expect(hash.update.calledWith("expression")).toBe(true));
it("should update hash inside dependencies", () =>
expect(dependencyMock.updateHash.calledOnce).toBe(true));
});
describe("expressionSource", () => {
let dependencyTemplates, applyMock;
beforeEach(() => (applyMock = sandbox.spy()));
it("applies information inside dependency templates", () => {
dependencyTemplates = {
get: function() {
return {
apply: applyMock
};
}
};
DependenciesBlockVariableInstance.expressionSource(
dependencyTemplates,
{},
{}
);
expect(applyMock.calledOnce).toBe(true);
});
it("applies information inside dependency templates", () => {
dependencyTemplates = {
get: function() {
return false;
}
};
expect(() => {
DependenciesBlockVariableInstance.expressionSource(
dependencyTemplates,
{},
{}
);
}).toThrow("No template for dependency: DependencyMock");
});
});
});