chore: added tests

packages/cli/src/utils/files.test.ts

@@ -0,0 +1,75 @@
+import { describe, expect, test } from 'vitest';
+import { XmlLocales } from 'xml-locales';
+
+import { readFiles, writeFile } from './files';
+
+describe('readFiles', () => {
+	test('reads a single file', async () => {
+		const files = await readFiles('packages/cli/mock/locales/strings1.xml');
+		expect(files).toHaveLength(1);
+
+		const [file1] = files;
+
+		expect(file1![0]).toBe('packages/cli/mock/locales/strings1.xml');
+		expect(file1![1]).toBeInstanceOf(XmlLocales);
+	});
+
+	test('reads a directory', async () => {
+		const files = await readFiles('packages/cli/mock/locales');
+		expect(files).toHaveLength(2);
+
+		const [file1, file2] = files;
+
+		expect(file1![0]).toBe('packages/cli/mock/locales/strings1.xml');
+		expect(file1![1]).toBeInstanceOf(XmlLocales);
+
+		expect(file2![0]).toBe('packages/cli/mock/locales/strings2.xml');
+		expect(file2![1]).toBeInstanceOf(XmlLocales);
+	});
+
+	test('reads directory without xml files', async () => {
+		const files = await readFiles('packages/');
+		expect(files).toHaveLength(0);
+	});
+
+	test('reads a file is not xml', async () => {
+		const files = await readFiles('packages/cli/mock/locales/notXml.txt');
+		expect(files).toHaveLength(0);
+	});
+
+	describe('errors', () => {
+		test('throws an error if file path does not exist', async () => {
+			try {
+				await readFiles('locales/doesNotExist.xml');
+			} catch (e: any) {
+				expect(e.message).toBe(
+					"Error scanning or reading path locales/doesNotExist.xml: ENOENT: no such file or directory, stat 'locales/doesNotExist.xml'"
+				);
+			}
+		});
+
+		test('throws an error if directory path does not exist', async () => {
+			try {
+				await readFiles('path/does/not/exist');
+			} catch (e: any) {
+				expect(e.message).toBe(
+					"Error scanning or reading path path/does/not/exist: ENOENT: no such file or directory, stat 'path/does/not/exist'"
+				);
+			}
+		});
+	});
+});
+
+describe('writeFile', () => {
+	test('writes a file', async () => {
+		await writeFile(
+			'packages/cli/mock/locales/strings1.xml',
+			`
+<resources>
+  <string name="key1">value1</string>
+  <string name="key2">value2</string>
+</resources>
+`
+		);
+	});
+});