openstack/tripleo-heat-templates
Code Issues Proposed changes
09bcacd25a
tripleo-heat-templates/tripleo_heat_templates/tests/test_environment_generator.py
Hervé Beraud 11f84b6302 Use unittest.mock instead of mock 
The mock third party library was needed for mock support in py2
runtimes. Since we now only support py36 and later, we can use the
standard lib unittest.mock module instead.

Change-Id: Iabd3e90a46fd087c8e780796e04fcc050c5277ab
2020-06-09 18:41:21 +02:00

767 lines
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# Copyright 2015 Red Hat Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import io
import tempfile
from unittest import mock
from oslotest import base
import six
import testscenarios
from tripleo_heat_templates import environment_generator
load_tests = testscenarios.load_tests_apply_scenarios
basic_template = '''
parameters:
FooParam:
default: foo
description: Foo description
type: string
BarParam:
default: 42
description: Bar description
type: number
EndpointMap:
default: {}
description: Parameter that should not be included by default
type: json
resources:
# None
'''
basic_private_template = '''
parameters:
FooParam:
default: foo
description: Foo description
type: string
_BarParam:
default: 42
description: Bar description
type: number
resources:
# None
'''
mandatory_template = '''
parameters:
FooParam:
description: Mandatory param
type: string
resources:
# None
'''
index_template = '''
parameters:
FooParam:
description: Param with %index% as its default
type: string
default: '%index%'
resources:
# None
'''
multiline_template = '''
parameters:
FooParam:
description: |
Parameter with
multi-line description
type: string
default: ''
resources:
# None
'''
basic_role_param_template = '''
parameters:
RoleParam:
description: Role param description
type: string
default: ''
FooParam:
description: Foo description
default: foo
type: string
resources:
# None
'''
multiline_role_param_template = '''
parameters:
RoleParam:
description: |
Role Parameter with
multi-line description
type: string
default: ''
FooParam:
description: |
Parameter with
multi-line description
type: string
default: ''
resources:
# None
'''
class GeneratorTestCase(base.BaseTestCase):
content_scenarios = [
('basic',
{'template': basic_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Bar description
# Type: number
BarParam: 42
# Foo description
# Type: string
FooParam: foo
''',
}),
('basic-one-param',
{'template': basic_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters:
- FooParam
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Foo description
# Type: string
FooParam: foo
''',
}),
('basic-static-param',
{'template': basic_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
static:
- BarParam
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Foo description
# Type: string
FooParam: foo
# ******************************************************
# Static parameters - these are values that must be
# included in the environment but should not be changed.
# ******************************************************
# Bar description
# Type: number
BarParam: 42
# *********************
# End static parameters
# *********************
''',
}),
('basic-static-param-sample',
{'template': basic_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
static:
- BarParam
sample_values:
BarParam: 1
FooParam: ''
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Foo description
# Type: string
FooParam: ''
# ******************************************************
# Static parameters - these are values that must be
# included in the environment but should not be changed.
# ******************************************************
# Bar description
# Type: number
BarParam: 1
# *********************
# End static parameters
# *********************
''',
}),
('basic-private',
{'template': basic_private_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Foo description
# Type: string
FooParam: foo
''',
}),
('mandatory',
{'template': mandatory_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Mandatory param
# Mandatory. This parameter must be set by the user.
# Type: string
FooParam: <None>
''',
}),
('basic-sample',
{'template': basic_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
sample_values:
FooParam: baz
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Bar description
# Type: number
BarParam: 42
# Foo description
# Type: string
FooParam: baz
''',
}),
('basic-resource-registry',
{'template': basic_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
resource_registry:
OS::TripleO::FakeResource: fake-filename.yaml
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Bar description
# Type: number
BarParam: 42
# Foo description
# Type: string
FooParam: foo
resource_registry:
OS::TripleO::FakeResource: fake-filename.yaml
''',
}),
('basic-hidden',
{'template': basic_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
sample_values:
EndpointMap: |-2
foo: bar
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Bar description
# Type: number
BarParam: 42
# Parameter that should not be included by default
# Type: json
EndpointMap:
foo: bar
# Foo description
# Type: string
FooParam: foo
''',
}),
('missing-param',
{'template': basic_template,
'exception': RuntimeError,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters:
- SomethingNonexistent
''',
'expected_output': None,
}),
('percent-index',
{'template': index_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Param with %index% as its default
# Type: string
FooParam: '%index%'
''',
}),
('nested',
{'template': multiline_template,
'exception': None,
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
children:
- name: nested
title: Nested Environment
description: Nested description
sample_values:
FooParam: bar
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Parameter with
# multi-line description
# Type: string
FooParam: ''
''',
'nested_output': '''# title: Nested Environment
# description: |
# Nested description
parameter_defaults:
# Parameter with
# multi-line description
# Type: string
FooParam: bar
''',
}),
('multi-line-desc',
{'template': multiline_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
files:
foo.yaml:
parameters: all
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
parameter_defaults:
# Parameter with
# multi-line description
# Type: string
FooParam: ''
''',
}),
('basic_role_param',
{'template': basic_role_param_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic_role_param
title: Basic Role Parameters Environment
description: Basic description
files:
foo.yaml:
RoleParameters:
- RoleParam
''',
'expected_output': '''# title: Basic Role Parameters Environment
# description: |
# Basic description
parameter_defaults:
RoleParameters:
# Role param description
# Type: string
RoleParam: ''
''',
}),
('multiline_role_param',
{'template': multiline_role_param_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: multiline_role_param
title: Multiline Role Parameters Environment
description: Multiline description
files:
foo.yaml:
RoleParameters:
- RoleParam
''',
'expected_output': '''# title: Multiline Role Parameters Environment
# description: |
# Multiline description
parameter_defaults:
RoleParameters:
# Role Parameter with
# multi-line description
# Type: string
RoleParam: ''
''',
}),
('Basic mix params',
{'template': basic_role_param_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic_mix_params
title: Basic Mix Parameters Environment
description: Basic description
files:
foo.yaml:
parameters:
- FooParam
RoleParameters:
- RoleParam
''',
'expected_output': '''# title: Basic Mix Parameters Environment
# description: |
# Basic description
parameter_defaults:
# Foo description
# Type: string
FooParam: foo
RoleParameters:
# Role param description
# Type: string
RoleParam: ''
''',
}),
('Multiline mix params',
{'template': multiline_role_param_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: multiline_mix_params
title: Multiline mix params Environment
description: Multiline description
files:
foo.yaml:
parameters:
- FooParam
RoleParameters:
- RoleParam
''',
'expected_output': '''# title: Multiline mix params Environment
# description: |
# Multiline description
parameter_defaults:
# Parameter with
# multi-line description
# Type: string
FooParam: ''
RoleParameters:
# Role Parameter with
# multi-line description
# Type: string
RoleParam: ''
''',
}),
('Basic role static param',
{'template': basic_role_param_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic_role_static_param
title: Basic Role Static Prams Environment
description: Basic Role Static Prams description
files:
foo.yaml:
parameters:
- FooParam
RoleParameters:
- RoleParam
static:
- FooParam
- RoleParam
''',
'expected_output': '''# title: Basic Role Static Prams Environment
# description: |
# Basic Role Static Prams description
parameter_defaults:
# ******************************************************
# Static parameters - these are values that must be
# included in the environment but should not be changed.
# ******************************************************
# Foo description
# Type: string
FooParam: foo
# *********************
# End static parameters
# *********************
RoleParameters:
# ******************************************************
# Static parameters - these are values that must be
# included in the environment but should not be changed.
# ******************************************************
# Role param description
# Type: string
RoleParam: ''
# *********************
# End static parameters
# *********************
''',
}),
('Multiline role static param',
{'template': multiline_role_param_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: multline_role_static_param
title: Multiline Role Static Prams Environment
description: Multiline Role Static Prams description
files:
foo.yaml:
parameters:
- FooParam
RoleParameters:
- RoleParam
static:
- FooParam
- RoleParam
''',
'expected_output': '''# title: Multiline Role Static Prams Environment
# description: |
# Multiline Role Static Prams description
parameter_defaults:
# ******************************************************
# Static parameters - these are values that must be
# included in the environment but should not be changed.
# ******************************************************
# Parameter with
# multi-line description
# Type: string
FooParam: ''
# *********************
# End static parameters
# *********************
RoleParameters:
# ******************************************************
# Static parameters - these are values that must be
# included in the environment but should not be changed.
# ******************************************************
# Role Parameter with
# multi-line description
# Type: string
RoleParam: ''
# *********************
# End static parameters
# *********************
''',
}),
('no-files',
{'template': basic_template,
'exception': None,
'nested_output': '',
'input_file': '''environments:
-
name: basic
title: Basic Environment
description: Basic description
resource_registry:
foo: bar
''',
'expected_output': '''# title: Basic Environment
# description: |
# Basic description
resource_registry:
foo: bar
''',
}),
]
@classmethod
def generate_scenarios(cls):
cls.scenarios = testscenarios.multiply_scenarios(
cls.content_scenarios)
def test_generator(self):
fake_input = io.StringIO(six.text_type(self.input_file))
fake_template = io.StringIO(six.text_type(self.template))
_, fake_output_path = tempfile.mkstemp()
fake_output = open(fake_output_path, 'w')
with mock.patch('tripleo_heat_templates.environment_generator.open',
create=True) as mock_open:
mock_se = [fake_input, fake_template, fake_output]
if 'files:' not in self.input_file:
# No files were specified so that open call won't happen
mock_se.remove(fake_template)
if self.nested_output:
_, fake_nested_output_path = tempfile.mkstemp()
fake_nested_output = open(fake_nested_output_path, 'w')
fake_template2 = io.StringIO(six.text_type(self.template))
mock_se = [fake_input, fake_template, fake_output,
fake_template2, fake_nested_output]
mock_open.side_effect = mock_se
if not self.exception:
environment_generator.generate_environments('ignored.yaml',
'environments')
else:
self.assertRaises(self.exception,
environment_generator.generate_environments,
'ignored.yaml',
'environments')
return
expected = environment_generator._FILE_HEADER + self.expected_output
with open(fake_output_path) as f:
self.assertEqual(expected, f.read())
if self.nested_output:
with open(fake_nested_output_path) as f:
expected = (environment_generator._FILE_HEADER +
self.nested_output)
self.assertEqual(expected, f.read())
GeneratorTestCase.generate_scenarios()
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