test(i18n): Check for missing i18n files

Author: iganchev

.github/workflows/nodejs.yml

@@ -41,6 +41,7 @@ jobs:
             npm run test:lib
             npm run test:styles
             npm run test:schematics
+            npm run test:i18n
         env:
             NODE_OPTIONS: --max_old_space_size=4096
       - name: Build i18n & validate output

package.json

@@ -23,6 +23,7 @@
     "test:lib:watch": "ng test igniteui-angular --karma-config=./projects/igniteui-angular/karma.watch.conf.js",
     "test:schematics": "ts-node --project projects/igniteui-angular/migrations/tsconfig.json ./node_modules/jasmine/bin/jasmine.js ./projects/igniteui-angular/migrations/**/*.spec.ts ./projects/igniteui-angular/schematics/**/*.spec.ts",
     "test:styles": "ts-node --skip-project ./node_modules/jasmine/bin/jasmine.js ./projects/igniteui-angular/src/lib/core/styles/spec/tests.ts",
+    "test:i18n": "ts-node --skip-project ./projects/igniteui-angular/src/lib/core/i18n/tests/tests.ts",
     "build:lib": "ng build igniteui-angular --configuration production && gulp buildStyle",
     "build:style": "gulp buildStyle",
     "build:migration": "gulp copyMigrations && tsc --listEmittedFiles --project ./projects/igniteui-angular/migrations/tsconfig.json",

projects/igniteui-angular/src/lib/core/i18n/tests/tests.ts

@@ -0,0 +1,31 @@
+import * as fs from 'fs';
+import * as path from 'path';
+
+const i18nProductPath = path.join(__dirname, '../');
+const i18nLanguagesPath = path.join(__dirname, '../../../../../../igniteui-angular-i18n/src/i18n');
+const errors = [];
+
+class i18nTests {
+    public runTests(): void {
+        this.i18nFilesMatchForAllLanguages();
+    }
+
+    public getDirectories = srcPath => fs.readdirSync(srcPath).filter(file => fs.statSync(path.join(srcPath, file)).isDirectory());
+    public getFiles = srcPath => fs.readdirSync(srcPath).filter(file => fs.statSync(path.join(srcPath, file)).isFile());
+
+    public i18nFilesMatchForAllLanguages(): void {
+        this.getDirectories(i18nLanguagesPath).forEach(dir => {
+            const curDirPath = path.join(i18nLanguagesPath, dir);
+            if (this.getFiles(curDirPath).length === this.getFiles(i18nProductPath).length) {
+                errors.push(`Not all i18n component files that are available for localization have matching files for ${dir} language.
+                    Check and add the appropriate resource strings with EN translation and mark the PR as 'pending localization'`
+                );
+            }
+        });
+        if (errors.length > 0) {
+            throw errors;
+        }
+    }
+}
+
+new i18nTests().runTests();