#N/A: Add react_native_command_unrecognized rule

tests/rules/test_react_native_command_unrecognized.py

@@ -0,0 +1,46 @@
+import pytest
+from thefuck.rules.react_native_command_unrecognized import match, \
+    get_new_command
+from tests.utils import Command
+
+stderr = 'Command `{}` unrecognized'.format
+
+stdout = '''
+Usage: react-native <command>
+
+Commands:
+  - start: starts the webserver
+  - bundle: builds the javascript bundle for offline use
+  - unbundle: builds javascript as "unbundle" for offline use
+  - new-library: generates a native library bridge
+  - android: generates an Android project for your app
+  - run-android: builds your app and starts it on a connected Android emulator or device
+  - log-android: print Android logs
+  - run-ios: builds your app and starts it on iOS simulator
+  - log-ios: print iOS logs
+  - upgrade: upgrade your app's template files to the latest version; run this after updating the react-native version in your package.json and running npm install
+  - link: link a library
+'''
+
+
+@pytest.mark.parametrize('command', [
+    Command('react-native star', stderr=stderr('star')),
+    Command('react-native android-logs', stderr=stderr('android-logs'))])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('gradle star', stderr=stderr('star')),
+    Command('react-native start')])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, result', [
+    (Command('react-native star', stdout, stderr('star')),
+     'react-native start'),
+    (Command('react-native logsandroid -f', stdout, stderr('logsandroid')),
+     'react-native log-android -f')])
+def test_get_new_command(command, result):
+    assert get_new_command(command)[0] == result