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test_cucumber_json.py
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"""Test cucumber json output."""
import json
import os.path
import textwrap
def runandparse(testdir, *args):
"""Run tests in testdir and parse json output."""
resultpath = testdir.tmpdir.join("cucumber.json")
result = testdir.runpytest("--cucumberjson={0}".format(resultpath), "-s", *args)
jsonobject = json.load(resultpath.open())
return result, jsonobject
class equals_any(object):
"""Helper object comparison to which is always 'equal'."""
def __init__(self, type=None):
self.type = type
def __eq__(self, other):
return isinstance(other, self.type) if self.type else True
def __cmp__(self, other):
return 0 if (isinstance(other, self.type) if self.type else False) else -1
string = type(u"")
def test_step_trace(testdir):
"""Test step trace."""
testdir.makefile(
".ini",
pytest=textwrap.dedent(
"""
[pytest]
markers =
scenario-passing-tag
scenario-failing-tag
scenario-outline-passing-tag
feature-tag
"""
),
)
testdir.makefile(
".feature",
test=textwrap.dedent(
"""
@feature-tag
Feature: One passing scenario, one failing scenario
@scenario-passing-tag
Scenario: Passing
Given a passing step
And some other passing step
@scenario-failing-tag
Scenario: Failing
Given a passing step
And a failing step
@scenario-outline-passing-tag
Scenario: Passing outline
Given type <type> and value <value>
Examples: example1
| type | value |
| str | hello |
| int | 42 |
| float | 1.0 |
"""
),
)
testdir.makepyfile(
textwrap.dedent(
"""
import pytest
from pytest_bdd import given, when, scenario
@given('a passing step')
def a_passing_step():
return 'pass'
@given('some other passing step')
def some_other_passing_step():
return 'pass'
@given('a failing step')
def a_failing_step():
raise Exception('Error')
@given('type <type> and value <value>')
def type_type_and_value_value():
return 'pass'
@scenario('test.feature', 'Passing')
def test_passing():
pass
@scenario('test.feature', 'Failing')
def test_failing():
pass
@scenario('test.feature', 'Passing outline')
def test_passing_outline():
pass
"""
)
)
result, jsonobject = runandparse(testdir)
assert result.ret
expected = [
{
"description": "",
"elements": [
{
"description": "",
"id": "test_passing",
"keyword": "Scenario",
"line": 5,
"name": "Passing",
"steps": [
{
"keyword": "Given",
"embeddings": [],
"line": 6,
"match": {"location": ""},
"name": "a passing step",
"result": {"status": "passed", "duration": equals_any(int)},
},
{
"keyword": "And",
"embeddings": [],
"line": 7,
"match": {"location": ""},
"name": "some other passing step",
"result": {"status": "passed", "duration": equals_any(int)},
},
],
"tags": [{"name": "scenario-passing-tag", "line": 4}],
"type": "scenario",
},
{
"description": "",
"id": "test_failing",
"keyword": "Scenario",
"line": 10,
"name": "Failing",
"steps": [
{
"keyword": "Given",
"embeddings": [],
"line": 11,
"match": {"location": ""},
"name": "a passing step",
"result": {"status": "passed", "duration": equals_any(int)},
},
{
"keyword": "And",
"embeddings": [],
"line": 12,
"match": {"location": ""},
"name": "a failing step",
"result": {
"error_message": equals_any(string),
"status": "failed",
"duration": equals_any(int),
},
},
],
"tags": [{"name": "scenario-failing-tag", "line": 9}],
"type": "scenario",
},
{
"description": "",
"keyword": "Scenario",
"tags": [{"line": 14, "name": "scenario-outline-passing-tag"}],
"steps": [
{
"line": 16,
"embeddings": [],
"match": {"location": ""},
"result": {"status": "passed", "duration": equals_any(int)},
"keyword": "Given",
"name": "type <type> and value <value>",
}
],
"line": 15,
"type": "scenario",
"id": "test_passing_outline[str-hello]",
"name": "Passing outline",
},
{
"description": "",
"keyword": "Scenario",
"tags": [{"line": 14, "name": "scenario-outline-passing-tag"}],
"steps": [
{
"line": 16,
"embeddings": [],
"match": {"location": ""},
"result": {"status": "passed", "duration": equals_any(int)},
"keyword": "Given",
"name": "type <type> and value <value>",
}
],
"line": 15,
"type": "scenario",
"id": "test_passing_outline[int-42]",
"name": "Passing outline",
},
{
"description": "",
"keyword": "Scenario",
"tags": [{"line": 14, "name": "scenario-outline-passing-tag"}],
"steps": [
{
"line": 16,
"embeddings": [],
"match": {"location": ""},
"result": {"status": "passed", "duration": equals_any(int)},
"keyword": "Given",
"name": "type <type> and value <value>",
}
],
"line": 15,
"type": "scenario",
"id": "test_passing_outline[float-1.0]",
"name": "Passing outline",
},
],
"id": os.path.join("test_step_trace0", "test.feature"),
"keyword": "Feature",
"line": 2,
"name": "One passing scenario, one failing scenario",
"tags": [{"name": "feature-tag", "line": 1}],
"uri": os.path.join(testdir.tmpdir.basename, "test.feature"),
}
]
assert jsonobject == expected
def test_step_trace_with_expand_option(testdir):
"""Test step trace."""
testdir.makefile(
".ini",
pytest=textwrap.dedent(
"""
[pytest]
markers =
feature-tag
scenario-outline-passing-tag
"""
),
)
testdir.makefile(
".feature",
test=textwrap.dedent(
"""
@feature-tag
Feature: One scenario outline, expanded to multiple scenarios
@scenario-outline-passing-tag
Scenario: Passing outline
Given type <type> and value <value>
Examples: example1
| type | value |
| str | hello |
| int | 42 |
| float | 1.0 |
"""
),
)
testdir.makepyfile(
textwrap.dedent(
"""
import pytest
from pytest_bdd import given, scenario
@given('type <type> and value <value>')
def type_type_and_value_value():
return 'pass'
@scenario('test.feature', 'Passing outline')
def test_passing_outline():
pass
"""
)
)
result, jsonobject = runandparse(testdir, "--cucumber-json-expanded")
assert result.ret == 0
assert jsonobject[0]["elements"][0]["steps"][0]["name"] == "type str and value hello"
assert jsonobject[0]["elements"][1]["steps"][0]["name"] == "type int and value 42"
assert jsonobject[0]["elements"][2]["steps"][0]["name"] == "type float and value 1.0"