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Feature: Use Alternate Step Implementations for Each Test Stage
As I tester and test writer
I want to run the same feature with other step implementations during different testing stages
So I can run quick checks in a development environment and detailed checks in a testlab.
. CONCEPT: TEST STAGE
. A test stage allows you to use different step/environment implementations
. compared to other test stage or the default, unnamed test stage.
.
. Examples for test stages are:
. * develop (using the development environment with more diagnostics)
. * product (using the product database, ...)
. * systemtest
. * systemint (system integration)
. * ...
.
. NOTE:
. Test stages can be used to adapt to different test environments
. while using these test stages.
.
.
. EXAMPLE DIRECTORY LAYOUT (with default stage and stage=testlab):
.
. features/
. +-- steps/ # -- Step implementations for default stage.
. | +-- foo_steps.py
. +-- testlab_steps/ # -- Step implementations for stage=testlab.
. | +-- foo_steps.py
. +-- *.feature
. +-- environment.py # -- Environment for default stage.
. +-- testlab_environment.py # -- Environment for stage=testlab.
@setup
Scenario: Feature Setup
Given a new working directory
And a file named "features/example1.feature" with:
"""
Feature:
Scenario:
Given I do something in a test stage
"""
And a file named "features/environment.py" with:
"""
def before_all(context):
context.use_develop_environment = False
"""
And a file named "features/steps/foo_steps.py" with:
"""
from behave import step
@step('I do something in a test stage')
def step_do_something(context):
assert not context.config.stage
assert not context.use_develop_environment
"""
And I remove the environment variable "BEHAVE_STAGE"
Scenario: Use stage=develop
Given a file named "features/develop_environment.py" with:
"""
def before_all(context):
context.use_develop_environment = True
"""
And a file named "features/develop_steps/foo_steps.py" with:
"""
from behave import step
@step('I do something in a test stage')
def step_do_something(context):
assert context.config.stage == "develop"
assert context.use_develop_environment
"""
When I run "behave -c --stage=develop features/example1.feature"
Then it should pass with:
"""
1 feature passed, 0 failed, 0 skipped
1 scenario passed, 0 failed, 0 skipped
1 step passed, 0 failed, 0 skipped, 0 undefined
"""
And the command output should contain:
"""
Scenario: # features/example1.feature:2
Given I do something in a test stage # features/develop_steps/foo_steps.py:3
"""
Scenario: Use default stage
Given I remove the environment variable "BEHAVE_STAGE"
When I run "behave -c features/example1.feature"
Then it should pass with:
"""
1 feature passed, 0 failed, 0 skipped
1 scenario passed, 0 failed, 0 skipped
1 step passed, 0 failed, 0 skipped, 0 undefined
"""
And the command output should contain:
"""
Scenario: # features/example1.feature:2
Given I do something in a test stage # features/steps/foo_steps.py:3
"""
Scenario: Use the BEHAVE_STAGE environment variable to define the test stage
Given I set the environment variable "BEHAVE_STAGE" to "develop"
When I run "behave -c features/example1.feature"
Then it should pass with:
"""
1 feature passed, 0 failed, 0 skipped
1 scenario passed, 0 failed, 0 skipped
1 step passed, 0 failed, 0 skipped, 0 undefined
"""
And the command output should contain:
"""
Scenario: # features/example1.feature:2
Given I do something in a test stage # features/develop_steps/foo_steps.py:3
"""
But note that "I should better remove it again (TEARDOWN PHASE)"
And I remove the environment variable "BEHAVE_STAGE"
Scenario: Using an unknown stage
When I run "behave -c --stage=unknown features/example1.feature"
Then it should fail with:
"""
ConfigError: No unknown_steps directory
"""
|
