test: add more core editor tests

Author: hyperz111

packages/core/test/prompts/editor.test.ts

@@ -17,7 +17,7 @@ describe('EditorPrompt', () => {
 		input = new MockReadable();
 		output = new MockWritable();
 		vol.reset();
-		vol.fromJSON({ './cache-abc': 'foo' }, '/tmp');
+		vol.fromJSON({ './tmp/cache-abc': 'foo', './newtmp/cache-123': 'bar' }, '/');
 	});
 
 	afterEach(() => {
@@ -48,4 +48,114 @@ describe('EditorPrompt', () => {
 		expect(instance.value).to.equal('hello');
 		expect(instance.state).to.equal('submit');
 	});
+
+	describe('path', () => {
+		const UUID_RE = [8, 4, 4, 4, 12].map((len) => `[a-z0-9]{${len}}`).join('-');
+		const createRegexp = (dir: string, postfix = '') =>
+			new RegExp(['', dir, `ce-${UUID_RE}${postfix}`].join('[\\\\/]'));
+
+		test('default', () => {
+			const instance = new EditorPrompt({
+				input,
+				output,
+				render: () => 'foo',
+			});
+
+			instance.prompt();
+
+			expect(instance.path).to.match(createRegexp('tmp'));
+		});
+
+		test('custom temp dir', () => {
+			const instance = new EditorPrompt({
+				input,
+				output,
+				render: () => 'foo',
+				tmpdir: '/newtmp',
+			});
+
+			instance.prompt();
+
+			expect(instance.path).to.match(createRegexp('newtmp'));
+		});
+
+		test('custom temp file postfix/extension', () => {
+			const instance = new EditorPrompt({
+				input,
+				output,
+				render: () => 'foo',
+				postfix: '.txt',
+			});
+
+			instance.prompt();
+
+			expect(instance.path).to.match(createRegexp('tmp', '.txt'));
+		});
+	});
+
+	describe('executable', () => {
+		const originalEnv = structuredClone(process.env);
+		const originalPlatform = process.platform;
+
+		afterEach(() => {
+			process.env = originalEnv;
+			Object.defineProperty(process, 'platform', { value: originalPlatform });
+		});
+
+		test.each(['linux', 'win32'])('%s default', (platform) => {
+			Object.defineProperty(process, 'platform', { value: platform });
+
+			const instance = new EditorPrompt({
+				input,
+				output,
+				render: () => 'foo',
+			});
+
+			instance.prompt();
+
+			expect(instance.bin).to.equal(platform === 'win32' ? 'notepad' : 'nano');
+			expect(instance.args.length).to.equal(1);
+		});
+
+		test('custom binary', () => {
+			const instance = new EditorPrompt({
+				input,
+				output,
+				render: () => 'foo',
+				bin: 'vim',
+			});
+
+			instance.prompt();
+
+			expect(instance.bin).to.equal('vim');
+		});
+
+		test('custom binary via env.EDITOR', () => {
+			process.env.EDITOR = 'nvim';
+
+			const instance = new EditorPrompt({
+				input,
+				output,
+				render: () => 'foo',
+			});
+
+			instance.prompt();
+
+			expect(instance.bin).to.equal('nvim');
+		});
+
+		test('custom args', () => {
+			const instance = new EditorPrompt({
+				input,
+				output,
+				render: () => 'foo',
+				args: (p) => ['--', p],
+			});
+
+			instance.prompt();
+
+			expect(instance.args.length).to.equal(2);
+			expect(instance.args[0]).to.equal('--');
+		});
+	});
 });