Files
privacy.sexy/tests/unit/application/State/Code/ApplicationCode.spec.ts
2020-09-01 21:18:16 +01:00

111 lines
5.6 KiB
TypeScript

import 'mocha';
import { expect } from 'chai';
import { CategoryStub } from './../../../stubs/CategoryStub';
import { ScriptStub } from './../../../stubs/ScriptStub';
import { ApplicationStub } from './../../../stubs/ApplicationStub';
import { UserSelection } from '@/application/State/Selection/UserSelection';
import { ApplicationCode } from '@/application/State/Code/ApplicationCode';
import { SelectedScript } from '@/application/State/Selection/SelectedScript';
import { ICodeChangedEvent } from '@/application/State/Code/Event/ICodeChangedEvent';
import { IUserScriptGenerator } from '@/application/State/Code/Generation/IUserScriptGenerator';
import { CodePosition } from '@/application/State/Code/Position/CodePosition';
import { ICodePosition } from '@/application/State/Code/Position/ICodePosition';
describe('ApplicationCode', () => {
describe('ctor', () => {
it('empty when selection is empty', () => {
// arrange
const selection = new UserSelection(new ApplicationStub(), []);
const sut = new ApplicationCode(selection, 'version');
// act
const actual = sut.current;
// assert
expect(actual).to.have.lengthOf(0);
});
it('has code when selection is not empty', () => {
// arrange
const scripts = [new ScriptStub('first'), new ScriptStub('second')];
const app = new ApplicationStub().withAction(new CategoryStub(1).withScripts(...scripts));
const selection = new UserSelection(app, scripts.map((script) => new SelectedScript(script, false)));
const version = 'version-string';
const sut = new ApplicationCode(selection, version);
// act
const actual = sut.current;
// assert
expect(actual).to.have.length.greaterThan(0).and.include(version);
});
});
describe('changed event', () => {
describe('code', () => {
it('empty when nothing is selected', () => {
// arrange
let signaled: ICodeChangedEvent;
const scripts = [new ScriptStub('first'), new ScriptStub('second')];
const app = new ApplicationStub().withAction(new CategoryStub(1).withScripts(...scripts));
const selection = new UserSelection(app, scripts.map((script) => new SelectedScript(script, false)));
const sut = new ApplicationCode(selection, 'version');
sut.changed.on((code) => signaled = code);
// act
selection.changed.notify([]);
// assert
expect(signaled.code).to.have.lengthOf(0);
expect(signaled.code).to.equal(sut.current);
});
it('has code when some are selected', () => {
// arrange
let signaled: ICodeChangedEvent;
const scripts = [new ScriptStub('first'), new ScriptStub('second')];
const app = new ApplicationStub().withAction(new CategoryStub(1).withScripts(...scripts));
const selection = new UserSelection(app, scripts.map((script) => new SelectedScript(script, false)));
const version = 'version-string';
const sut = new ApplicationCode(selection, version);
sut.changed.on((code) => signaled = code);
// act
selection.changed.notify(scripts.map((s) => new SelectedScript(s, false)));
// assert
expect(signaled.code).to.have.length.greaterThan(0).and.include(version);
expect(signaled.code).to.equal(sut.current);
});
});
it('sets positions from the generator', () => {
// arrange
let signaled: ICodeChangedEvent;
const scripts = [new ScriptStub('first'), new ScriptStub('second')];
const app = new ApplicationStub().withAction(new CategoryStub(1).withScripts(...scripts));
const selection = new UserSelection(app, scripts.map((script) => new SelectedScript(script, false)));
const expectedVersion = 'version-string';
const scriptsToSelect = scripts.map((s) => new SelectedScript(s, false));
const totalLines = 20;
const expected = new Map<SelectedScript, ICodePosition>(
[
[ scriptsToSelect[0], new CodePosition(0, totalLines / 2)],
[ scriptsToSelect[1], new CodePosition(totalLines / 2, totalLines)],
],
);
const generatorMock: IUserScriptGenerator = {
buildCode: (selectedScripts, version) => {
if (version !== expectedVersion) {
throw new Error('Unexpected version');
}
if (JSON.stringify(selectedScripts) !== JSON.stringify(scriptsToSelect)) {
throw new Error('Unexpected scripts');
}
return {
code: '\nREM LINE'.repeat(totalLines),
scriptPositions: expected,
};
},
};
const sut = new ApplicationCode(selection, expectedVersion, generatorMock);
sut.changed.on((code) => signaled = code);
// act
selection.changed.notify(scriptsToSelect);
// assert
expect(signaled.getScriptPositionInCode(scripts[0]))
.to.deep.equal(expected.get(scriptsToSelect[0]));
expect(signaled.getScriptPositionInCode(scripts[1]))
.to.deep.equal(expected.get(scriptsToSelect[1]));
});
});
});