import unittest

from ansiblelint import RulesCollection
from ansiblelint.rules.EnvVarsInCommandRule import EnvVarsInCommandRule
from test import RunFromText


SUCCESS_PLAY_TASKS = '''
- hosts: localhost

  tasks:
  - name: actual use of environment
    shell: echo $HELLO
    environment:
      HELLO: hello

  - name: use some key-value pairs
    command: chdir=/tmp creates=/tmp/bobbins warn=no touch bobbins

  - name: commands can have flags
    command: abc --xyz=def blah

  - name: commands can have equals in them
    command: echo "==========="

  - name: commands with cmd
    command:
      cmd:
        echo "-------"

  - name: command with stdin (ansible > 2.4)
    command: /bin/cat
    args:
      stdin: "Hello, world!"

  - name: use argv to send the command as a list
    command:
      argv:
        - /bin/echo
        - Hello
        - World

  - name: another use of argv
    command:
    args:
      argv:
        - echo
        - testing

  - name: environment variable with shell
    shell: HELLO=hello echo $HELLO
'''

FAIL_PLAY_TASKS = '''
- hosts: localhost

  tasks:
  - name: environment variable with command
    command: HELLO=hello echo $HELLO

  - name: typo some stuff
    command: cerates=/tmp/blah warn=no touch /tmp/blah
'''


class TestEnvVarsInCommand(unittest.TestCase):
    collection = RulesCollection()
    collection.register(EnvVarsInCommandRule())

    def setUp(self):
        self.runner = RunFromText(self.collection)

    def test_success(self):
        results = self.runner.run_playbook(SUCCESS_PLAY_TASKS)
        self.assertEqual(0, len(results))

    def test_fail(self):
        results = self.runner.run_playbook(FAIL_PLAY_TASKS)
        self.assertEqual(2, len(results))