Treat .spec.js files as test files

Author: novemberborn

docs/05-command-line.md

@@ -30,7 +30,7 @@ $ npx ava --help
 
   The above relies on your shell expanding the glob patterns.
   Without arguments, AVA uses the following patterns:
-    **/test.js **/test-*.js **/*.test.js **/test/**/*.js **/__tests__/**/*.js
+    **/test.js **/test-*.js **/*.spec.js **/*.test.js **/test/**/*.js **/__tests__/**/*.js
 ```
 
 *Note that the CLI will use your local install of AVA when available, even when run globally.*
@@ -39,6 +39,7 @@ AVA searches for test files using the following patterns:
 
 * `**/test.js`
 * `**/test-*.js`
+* `**/*.spec.js`
 * `**/*.test.js`
 * `**/test/**/*.js`
 * `**/__tests__/**/*.js`

lib/cli.js

@@ -52,7 +52,7 @@ exports.run = async () => { // eslint-disable-line complexity
 
 		The above relies on your shell expanding the glob patterns.
 		Without arguments, AVA uses the following patterns:
-		  **/test.js **/test-*.js **/*.test.js **/test/**/*.js **/__tests__/**/*.js
+		  **/test.js **/test-*.js **/*.spec.js **/*.test.js **/test/**/*.js **/__tests__/**/*.js
 	`, {
 		flags: {
 			watch: {

lib/globs.js

@@ -40,6 +40,7 @@ function normalizeGlobs(testPatterns, sourcePatterns, extensions) {
 	const extensionPattern = buildExtensionPattern(extensions);
 	const defaultTestPatterns = [
 		`**/__tests__/**/*.${extensionPattern}`,
+		`**/*.spec.${extensionPattern}`,
 		`**/*.test.${extensionPattern}`,
 		`**/test-*.${extensionPattern}`,
 		`**/test.${extensionPattern}`,

test/fixture/globs/default-patterns/sub/directory/bar.spec.js

@@ -0,0 +1 @@
+// Empty

test/globs.js

@@ -108,6 +108,7 @@ test('findHelpersAndTests finds tests (just .js)', async t => {
 
 	const expected = [
 		'sub/directory/__tests__/foo.js',
+		'sub/directory/bar.spec.js',
 		'sub/directory/bar.test.js',
 		'test-foo.js',
 		'test.js',