mira
Version:
NearForm Accelerator for Cloud Native Serverless AWS
90 lines • 3.96 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
require("@aws-cdk/assert/jest");
const path_1 = __importDefault(require("path"));
const change_detector_1 = __importDefault(require("./change-detector"));
const fs_1 = __importDefault(require("fs"));
const fixturesDirectory = path_1.default.join(__dirname, '..', 'test', 'fixtures', 'change-detector');
const snapshotFile = path_1.default.join(fixturesDirectory, '.mira.snapshot');
describe('change detector', () => {
beforeEach(() => {
try {
return fs_1.default.unlinkSync(snapshotFile);
}
catch (err) {
// do nothing
}
});
describe('run()', () => {
test('should return true if first run', async () => {
const root = fixturesDirectory;
const cd = new change_detector_1.default(root);
const res = await cd.run();
expect(res).toBeTruthy();
expect(fs_1.default.existsSync(snapshotFile)).toBeTruthy();
fs_1.default.unlinkSync(snapshotFile);
});
test('should return false on second run', async () => {
const root = fixturesDirectory;
const cd = new change_detector_1.default(root);
await cd.run();
const res = await cd.run();
expect(res).toBeFalsy();
expect(fs_1.default.existsSync(snapshotFile)).toBeTruthy();
fs_1.default.unlinkSync(snapshotFile);
});
test('should return false if a file changes', async () => {
const root = fixturesDirectory;
const cd = new change_detector_1.default(root);
await cd.run();
// change foo file
fs_1.default.writeFileSync(path_1.default.join(fixturesDirectory, 'foo.txt'), 'f00');
const res = await cd.run();
expect(res).toBeTruthy();
expect(fs_1.default.existsSync(snapshotFile)).toBeTruthy();
fs_1.default.unlinkSync(snapshotFile);
fs_1.default.writeFileSync(path_1.default.join(fixturesDirectory, 'foo.txt'), 'foo');
});
});
describe('getSnapshot()', () => {
test('should return null if snapshot is not found', async () => {
const cd = new change_detector_1.default(fixturesDirectory);
const res = await cd.getSnapshot();
expect(res).toBe(null);
});
test('should return file content if snapshot is found', async () => {
const data = [
'fileA||apoifhaphfaohas',
'fileB||sdohsodhsodhsd',
'path/to/fileC||fileCData'
];
fs_1.default.writeFileSync(snapshotFile, data.join('\n'));
const cd = new change_detector_1.default(fixturesDirectory);
const res = await cd.getSnapshot();
fs_1.default.unlinkSync(snapshotFile);
expect(res).not.toBeNull();
if (res) {
expect(Object.keys(res).length).toBe(data.length);
expect(res.fileA).toBe('apoifhaphfaohas');
expect(res.fileB).toBe('sdohsodhsodhsd');
expect(res['path/to/fileC']).toBe('fileCData');
}
else {
throw new Error('Error getting snapshot');
}
});
});
describe('takeSnapshot()', () => {
test('should return null after creating snapshot', async () => {
const cd = new change_detector_1.default(fixturesDirectory);
const res = await cd.takeSnapshot(snapshotFile);
expect(res).toBe(null);
expect(fs_1.default.existsSync(snapshotFile)).toBeTruthy();
fs_1.default.unlinkSync(snapshotFile);
});
});
});
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