add findTestHelpers()

Author: vdemedes

index.js

@@ -58,6 +58,23 @@ AvaFiles.prototype.findTestFiles = function () {
 	});
 };
 
+AvaFiles.prototype.findTestHelpers = function () {
+	return handlePaths(this.files, ['!**/node_modules/**'], {
+		cwd: this.cwd,
+		cache: Object.create(null),
+		statCache: Object.create(null),
+		realpathCache: Object.create(null),
+		symlinks: Object.create(null)
+	}).then(function (files) {
+		return files.filter(function (file) {
+			return multimatch([file], [
+				'**/fixtures/**',
+				'**/helpers/**'
+			]).length > 0;
+		});
+	});
+};
+
 function getDefaultIgnorePatterns() {
 	return defaultIgnore.map(function (dir) {
 		return dir + '/**/*';

readme.md

@@ -30,6 +30,10 @@ avaFiles.isSource(filePath);
 avaFiles.findTestFiles().then(files => {
 	// files is an array of found test files
 });
+
+avaFiles.findTestHelpers().then(files => {
+	// files is an array of found test helpers and fixtures
+});
 ```
 
 
@@ -94,6 +98,10 @@ Path to the file.
 
 Returns a `Promise` for an `Array` of `string` paths to the found test files.
 
+### avaFiles.findTestHelpers()
+
+Returns a `Promise` for an `Array` of `string` paths to the found helper and fixture files.
+
 
 ## License
 

test.js

@@ -139,3 +139,35 @@ test('findFiles - finds the correct files by default', async t => {
 	files.sort();
 	t.deepEqual(files, expected);
 });
+
+test('findTestHelpers - honors cwd option', async t => {
+	const avaFiles = new AvaFiles({
+		files: ['test/**/*.js'],
+		cwd: fixture('default-patterns')
+	});
+
+	const files = await avaFiles.findTestHelpers();
+	t.is(files.length, 2);
+	t.is(path.basename(files[0]), 'foo-fixt.js');
+	t.is(path.basename(files[1]), 'test.js');
+});
+
+test('findTestHelpers - finds the correct files by default', async t => {
+	const fixtureDir = fixture('default-patterns');
+	process.chdir(fixtureDir);
+
+	const expected = [
+		'sub/directory/__tests__/fixtures/foo.js',
+		'sub/directory/__tests__/helpers/foo.js',
+		'test/fixtures/foo-fixt.js',
+		'test/helpers/test.js'
+	].map(function (file) {
+		return path.join(fixtureDir, file);
+	}).sort();
+
+	const avaFiles = new AvaFiles();
+
+	const files = await avaFiles.findTestHelpers();
+	files.sort();
+	t.deepEqual(files, expected);
+});