FSUtils tests (#95)

* Tests for fsUtils

package-lock.json

@@ -4053,6 +4053,12 @@
                 }
             }
         },
+        "mock-fs": {
+            "version": "4.5.0",
+            "resolved": "https://registry.npmjs.org/mock-fs/-/mock-fs-4.5.0.tgz",
+            "integrity": "sha512-qqudNfOX7ZmX9vm1WIAU+gWlmxVNAnwY6UG3RkFutNywmRCUGP83tujP6IxX2DS1TmcaEZBOhYwDuYEmJYE+3w==",
+            "dev": true
+        },
         "moment": {
             "version": "2.22.1",
             "resolved": "https://registry.npmjs.org/moment/-/moment-2.22.1.tgz",

package.json

@@ -275,6 +275,7 @@
         "gulp-sourcemaps": "^2.6.4",
         "gulp-tslint": "^8.1.3",
         "gulp-typescript": "^4.0.2",
+        "mock-fs": "^4.5.0",
         "tslint": "^5.9.1",
         "tslint-microsoft-contrib": "^5.0.3",
         "typescript": "^2.8.3",

test/fsUtils.ts

@@ -0,0 +1,80 @@
+import mock = require('mock-fs');
+import { FSUtils } from '../src/helpers/utils/fsUtils';
+
+describe('FsUtils', function () {
+    const pathToCreateEmptyFolder = "test/mock/empty-dir";
+    const pathToNonEmptyDir = "test/mock/non-empty-dir";
+    const dirWithIgnoredFilesPath = "test/mock/empty-dir-with-ignored-files";
+    const dirWithIgnoredVscodePath = "test/mock/empty-dir-with-ignored-vscode";
+
+    before(() => {
+
+        mock({
+            "test/mock/non-empty-dir": {
+                'some-file.txt': 'file content here'
+            },
+            "test/mock/empty-dir-with-ignored-files": {
+                '.vscode': {},
+                '.git': {}
+            },
+            "test/mock/empty-dir-with-ignored-vscode": {
+                '.vscode': {}
+            },
+            "test/mock/empty-dir": {}
+        });
+    });
+
+    after(() => {
+        mock.restore();
+    });
+
+    describe('#IsEmptyDirectoryToStartNewProject', () => {
+
+        it('should recognize an empty directory to start new project', async () => {
+            const isEmpty = FSUtils.IsEmptyDirectoryToStartNewProject(pathToCreateEmptyFolder);
+            isEmpty.should.be.true();
+        });
+
+        it('should recognize a non-empty directory', async () => {
+            const isEmpty = FSUtils.IsEmptyDirectoryToStartNewProject(pathToNonEmptyDir);
+            isEmpty.should.be.false();
+        });
+
+        it('should ignore .vscode and .git', async () => {
+            const isEmpty = FSUtils.IsEmptyDirectoryToStartNewProject(dirWithIgnoredFilesPath);
+            isEmpty.should.be.true();
+        });
+    });
+
+    describe('#IsEmptyDirectory', () => {
+
+        it('should recognize an empty directory', async () => {
+            const isEmpty = FSUtils.IsEmptyDirectory(pathToCreateEmptyFolder);
+            isEmpty.should.be.true();
+        });
+
+        it('should recognize a non-empty directory', async () => {
+            const isEmpty = FSUtils.IsEmptyDirectory(pathToNonEmptyDir);
+            isEmpty.should.be.false();
+        });
+
+        it('should ignore .vscode', async () => {
+            const isEmpty = FSUtils.IsEmptyDirectory(dirWithIgnoredVscodePath);
+            isEmpty.should.be.true();
+        });
+    });
+
+    describe('#exists', () => {
+        const pathToNotExistingFile = "test/mock/file-1.json";
+
+        it('should return true if file exists', async () => {
+            const exists = await FSUtils.exists(pathToNonEmptyDir + "/some-file.txt");
+            exists.should.be.true();
+        });
+
+        it('should return false if file does not exist', async () => {
+            const exists = await FSUtils.exists(pathToNotExistingFile);
+            exists.should.be.false();
+        });
+    });
+});

tslint.json

@@ -39,8 +39,8 @@
         "jquery-deferred-must-complete": true,
         "label-position": true,
         "match-default-export-name": false,
-        "mocha-avoid-only": true,
-        "mocha-no-side-effect-code": true,
+        "mocha-avoid-only": false, //changed
+        "mocha-no-side-effect-code": false, //changed
         "no-any": false,
         "no-arg": true,
         "no-backbone-get-set-outside-model": false,