pytest-bdd/tests/generation/test_generate_missing.py

145 lines
4.2 KiB
Python

"""Code generation and assertion tests."""
import itertools
import textwrap
from pytest_bdd.scenario import get_python_name_generator
def test_python_name_generator():
"""Test python name generator function."""
assert list(itertools.islice(get_python_name_generator("Some name"), 3)) == [
"test_some_name",
"test_some_name_1",
"test_some_name_2",
]
def test_generate_missing(testdir):
"""Test generate missing command."""
testdir.makefile(
".feature",
generation=textwrap.dedent(
"""\
Feature: Missing code generation
Background:
Given I have a foobar
Scenario: Scenario tests which are already bound to the tests stay as is
Given I have a bar
Scenario: Code is generated for scenarios which are not bound to any tests
Given I have a bar
Scenario: Code is generated for scenario steps which are not yet defined(implemented)
Given I have a custom bar
"""
),
)
testdir.makepyfile(
textwrap.dedent(
"""\
import functools
from pytest_bdd import scenario, given
scenario = functools.partial(scenario, "generation.feature")
@given("I have a bar")
def _():
return "bar"
@scenario("Scenario tests which are already bound to the tests stay as is")
def test_foo():
pass
@scenario("Code is generated for scenario steps which are not yet defined(implemented)")
def test_missing_steps():
pass
"""
)
)
result = testdir.runpytest("--generate-missing", "--feature", "generation.feature")
result.assert_outcomes(passed=0, failed=0, errors=0)
assert not result.stderr.str()
assert result.ret == 0
result.stdout.fnmatch_lines(
['Scenario "Code is generated for scenarios which are not bound to any tests" is not bound to any test *']
)
result.stdout.fnmatch_lines(
[
'Step Given "I have a custom bar" is not defined in the scenario '
'"Code is generated for scenario steps which are not yet defined(implemented)" *'
]
)
result.stdout.fnmatch_lines(
['Step Given "I have a foobar" is not defined in the background of the feature "Missing code generation" *']
)
result.stdout.fnmatch_lines(["Please place the code above to the test file(s):"])
def test_generate_missing_with_step_parsers(testdir):
"""Test that step parsers are correctly discovered and won't be part of the missing steps."""
testdir.makefile(
".feature",
generation=textwrap.dedent(
"""\
Feature: Missing code generation with step parsers
Scenario: Step parsers are correctly discovered
Given I use the string parser without parameter
And I use parsers.parse with parameter 1
And I use parsers.re with parameter 2
And I use parsers.cfparse with parameter 3
"""
),
)
testdir.makepyfile(
textwrap.dedent(
"""\
import functools
from pytest_bdd import scenarios, given, parsers
scenarios("generation.feature")
@given("I use the string parser without parameter")
def _():
return None
@given(parsers.parse("I use parsers.parse with parameter {param}"))
def _(param):
return param
@given(parsers.re(r"^I use parsers.re with parameter (?P<param>.*?)$"))
def _(param):
return param
@given(parsers.cfparse("I use parsers.cfparse with parameter {param:d}"))
def _(param):
return param
"""
)
)
result = testdir.runpytest("--generate-missing", "--feature", "generation.feature")
result.assert_outcomes(passed=0, failed=0, errors=0)
assert not result.stderr.str()
assert result.ret == 0
output = result.stdout.str()
assert "I use the string parser" not in output
assert "I use parsers.parse" not in output
assert "I use parsers.re" not in output
assert "I use parsers.cfparse" not in output