235 lines
7.9 KiB
Python
235 lines
7.9 KiB
Python
try:
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from cStringIO import StringIO # Python 2
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except ImportError:
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from io import StringIO
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from python_terraform import *
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import pytest
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import os
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import logging
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import re
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import shutil
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import fnmatch
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logging.basicConfig(level=logging.DEBUG)
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root_logger = logging.getLogger()
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current_path = os.path.dirname(os.path.realpath(__file__))
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FILE_PATH_WITH_SPACE_AND_SPACIAL_CHARS = "test 'test.out!"
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STRING_CASES = [
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[
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lambda x: x.generate_cmd_string('apply', 'the_folder',
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no_color=IsFlagged),
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"terraform apply -no-color the_folder"
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],
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[
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lambda x: x.generate_cmd_string('push', 'path', vcs=True,
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token='token',
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atlas_address='url'),
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"terraform push -vcs=true -token=token -atlas-address=url path"
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],
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]
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CMD_CASES = [
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['method', 'expected_output', 'expected_ret_code', 'expected_logs', 'folder'],
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[
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[
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lambda x: x.cmd('plan', 'var_to_output', no_color=IsFlagged, var={'test_var': 'test'}) ,
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"doesn't need to do anything",
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0,
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'',
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'var_to_output'
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],
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# try import aws instance
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[
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lambda x: x.cmd('import', 'aws_instance.foo', 'i-abcd1234', no_color=IsFlagged),
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'',
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1,
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'command: terraform import -no-color aws_instance.foo i-abcd1234',
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''
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],
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# test with space and special character in file path
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[
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lambda x: x.cmd('plan', 'var_to_output', out=FILE_PATH_WITH_SPACE_AND_SPACIAL_CHARS),
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'',
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0,
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'',
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'var_to_output'
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]
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]
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]
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@pytest.fixture(scope='function')
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def fmt_test_file(request):
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target = os.path.join(current_path, 'bad_fmt', 'test.backup')
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orgin = os.path.join(current_path, 'bad_fmt', 'test.tf')
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shutil.copy(orgin,
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target)
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def td():
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shutil.move(target, orgin)
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request.addfinalizer(td)
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return
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@pytest.fixture()
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def string_logger(request):
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log_stream = StringIO()
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handler = logging.StreamHandler(log_stream)
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root_logger.addHandler(handler)
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def td():
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root_logger.removeHandler(handler)
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log_stream.close()
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request.addfinalizer(td)
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return lambda: str(log_stream.getvalue())
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class TestTerraform(object):
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def teardown_method(self, method):
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""" teardown any state that was previously setup with a setup_method
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call.
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"""
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def purge(dir, pattern):
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for root, dirnames, filenames in os.walk(dir):
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for filename in fnmatch.filter(filenames, pattern):
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f = os.path.join(root, filename)
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os.remove(f)
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for dirname in fnmatch.filter(dirnames, pattern):
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d = os.path.join(root, dirname)
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shutil.rmtree(d)
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purge('.', '*.tfstate')
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purge('.', '*.terraform')
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purge('.', FILE_PATH_WITH_SPACE_AND_SPACIAL_CHARS)
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@pytest.mark.parametrize([
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"method", "expected"
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], STRING_CASES)
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def test_generate_cmd_string(self, method, expected):
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tf = Terraform(working_dir=current_path)
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result = method(tf)
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strs = expected.split()
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for s in strs:
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assert s in result
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@pytest.mark.parametrize(*CMD_CASES)
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def test_cmd(self, method, expected_output, expected_ret_code, expected_logs, string_logger, folder):
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tf = Terraform(working_dir=current_path)
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tf.init(folder)
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ret, out, err = method(tf)
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logs = string_logger()
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logs = logs.replace('\n', '')
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assert expected_output in out
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assert expected_ret_code == ret
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assert expected_logs in logs
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@pytest.mark.parametrize(
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("folder", "variables", "var_files", "expected_output", "options"),
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[
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("var_to_output",
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{'test_var': 'test'}, None, "test_output=test", {}),
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("var_to_output", {'test_list_var': ['c', 'd']}, None, "test_list_output=[c,d]", {}),
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("var_to_output", {'test_map_var': {"c": "c", "d": "d"}}, None, "test_map_output={a=ab=bc=cd=d}", {}),
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("var_to_output", {'test_map_var': {"c": "c", "d": "d"}}, 'var_to_output/test_map_var.json', "test_map_output={a=ab=bc=cd=de=ef=f}", {}),
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("var_to_output", {}, None, "\x1b[0m\x1b[1m\x1b[32mApplycomplete!", {"no_color": IsNotFlagged})
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])
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def test_apply(self, folder, variables, var_files, expected_output, options):
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tf = Terraform(working_dir=current_path, variables=variables, var_file=var_files)
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# after 0.10.0 we always need to init
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tf.init(folder)
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ret, out, err = tf.apply(folder, **options)
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assert ret == 0
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assert expected_output in out.replace('\n', '').replace(' ', '')
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assert err == ''
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@pytest.mark.parametrize(
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['cmd', 'args', 'options'],
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[
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# bool value
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('fmt', ['bad_fmt'], {'list': False, 'diff': False})
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]
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)
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def test_options(self, cmd, args, options, fmt_test_file):
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tf = Terraform(working_dir=current_path)
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ret, out, err = getattr(tf, cmd)(*args, **options)
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assert ret == 0
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assert out == ''
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def test_state_data(self):
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cwd = os.path.join(current_path, 'test_tfstate_file')
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tf = Terraform(working_dir=cwd, state='tfstate.test')
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tf.read_state_file()
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assert tf.tfstate.modules[0]['path'] == ['root']
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def test_pre_load_state_data(self):
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cwd = os.path.join(current_path, 'test_tfstate_file')
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tf = Terraform(working_dir=cwd, state='tfstate.test')
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assert tf.tfstate.modules[0]['path'] == ['root']
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@pytest.mark.parametrize(
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("folder", 'variables'),
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[
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("var_to_output", {'test_var': 'test'})
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]
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)
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def test_override_default(self, folder, variables):
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tf = Terraform(working_dir=current_path, variables=variables)
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tf.init(folder)
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ret, out, err = tf.apply(folder, var={'test_var': 'test2'},
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no_color=IsNotFlagged)
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out = out.replace('\n', '')
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assert '\x1b[0m\x1b[1m\x1b[32mApply' in out
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out = tf.output('test_output')
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assert 'test2' in out
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@pytest.mark.parametrize(
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("param"),
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[
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({}),
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({'module': 'test2'}),
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]
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)
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def test_output(self, param, string_logger):
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tf = Terraform(working_dir=current_path, variables={'test_var': 'test'})
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tf.init('var_to_output')
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tf.apply('var_to_output')
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result = tf.output('test_output', **param)
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regex = re.compile("terraform output (-module=test2 -json|-json -module=test2) test_output")
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log_str = string_logger()
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if param:
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assert re.search(regex, log_str), log_str
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else:
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assert result == 'test'
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def test_destroy(self):
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tf = Terraform(working_dir=current_path, variables={'test_var': 'test'})
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tf.init('var_to_output')
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ret, out, err = tf.destroy('var_to_output')
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assert ret == 0
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assert 'Destroy complete! Resources: 0 destroyed.' in out
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@pytest.mark.parametrize(
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("plan", "variables", "expected_ret"),
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[
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('vars_require_input', {}, 1)
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]
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)
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def test_plan(self, plan, variables, expected_ret):
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tf = Terraform(working_dir=current_path, variables=variables)
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ret, out, err = tf.plan(plan)
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assert ret == expected_ret
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def test_fmt(self, fmt_test_file):
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tf = Terraform(working_dir=current_path, variables={'test_var': 'test'})
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ret, out, err = tf.fmt(diff=True)
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assert ret == 0
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def test_import(self, string_logger):
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tf = Terraform(working_dir=current_path)
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tf.import_cmd('aws_instance.foo', 'i-abc1234', no_color=IsFlagged)
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assert 'command: terraform import -no-color aws_instance.foo i-abc1234' in string_logger()
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