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test_string_evaluator.py
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test_string_evaluator.py
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import os
import pytest
from scanapi.errors import BadConfigurationError
from scanapi.evaluators import StringEvaluator
class TestStringEvaluator:
class TestEvaluate:
@pytest.fixture
def mock__evaluate_env_var(self, mocker):
mock_func = mocker.patch(
"scanapi.evaluators.string_evaluator.StringEvaluator._evaluate_env_var"
)
mock_func.return_value = ""
return mock_func
@pytest.fixture
def mock_code_evaluate(self, mocker):
mock_func = mocker.patch(
"scanapi.evaluators.code_evaluator.CodeEvaluator.evaluate"
)
mock_func.return_value = ""
return mock_func
def test_calls_code_evaluate(self, mock_code_evaluate):
StringEvaluator.evaluate("boo", {})
mock_code_evaluate.assert_called_once_with("boo", {}, False)
def test_calls__evaluate_env_var(self, mock__evaluate_env_var):
StringEvaluator.evaluate("boo", {})
mock__evaluate_env_var.assert_called_once_with("boo")
class TestEvaluateEnvVar:
class TestWhenDoesNotMatchThePattern:
test_data = ["no env var", "${var}", "${MyVar}", "${{var}}", "${{VAR}}"]
@pytest.mark.parametrize("sequence", test_data)
def test_should_return_sequence(self, sequence):
assert StringEvaluator._evaluate_env_var(sequence) == sequence
class TestWhenMatchesThePattern:
class TestWhenEnvVarIsSetProperly:
@pytest.fixture(autouse=True)
def base_url_env(self):
os.environ["BASE_URL"] = "https://jsonplaceholder.typicode.com"
os.environ["POST_ID"] = "2"
test_data = [
("${BASE_URL}", "https://jsonplaceholder.typicode.com"),
("${BASE_URL}/posts", "https://jsonplaceholder.typicode.com/posts"),
(
"https://jsonplaceholder.typicode.com/posts/${POST_ID}",
"https://jsonplaceholder.typicode.com/posts/2",
),
(
"${BASE_URL}/posts/${POST_ID}",
"https://jsonplaceholder.typicode.com/posts/2",
),
]
@pytest.mark.parametrize("sequence, expected", test_data)
def test_should_return_evaluated_var(self, sequence, expected):
assert StringEvaluator._evaluate_env_var(sequence) == expected
class TestWhenThereIsNoCorrespondingEnvVar:
@pytest.fixture(autouse=True)
def remove_base_url_env(self):
if os.environ.get("BASE_URL"):
del os.environ["BASE_URL"]
def test_should_raise_bad_configuration_error(self):
with pytest.raises(BadConfigurationError) as excinfo:
StringEvaluator._evaluate_env_var("${BASE_URL}")
assert (
str(excinfo.value)
== "'BASE_URL' environment variable not set or badly configured"
)
class TestEvaluateCustomVar:
class TestWhenDoesNotMatchThePattern:
test_data = ["no var", "${ENV_VAR}", "${{code}}"]
@pytest.mark.parametrize("sequence", test_data)
def test_should_return_sequence(self, sequence):
assert StringEvaluator._evaluate_custom_var(sequence, {}) == sequence
class TestWhenMatchesThePattern:
class TestWhenCodeDoesNotContainThePreSavedCustomVar:
test_data = [
("${user_id}"),
("something before ${user_id} something after"),
("something before ${user_id}"),
("${user_id} something after"),
]
@pytest.mark.parametrize("sequence", test_data)
def test_should_return_sequence(self, sequence):
assert (
StringEvaluator._evaluate_custom_var(sequence, {}) == sequence
)
class TestWhenCodeContainsThePreSavedCustomVar:
test_data = [
("${user_id}", "10"),
("${apiKey}", "abc123"),
("something before ${user_id}", "something before 10"),
(
"something before ${user_id} something after",
"something before 10 something after",
),
("${user_id} something after", "10 something after"),
]
@pytest.mark.parametrize("sequence, expected", test_data)
def test_should_return_sequence(self, sequence, expected):
vars = {"user_id": "10", "apiKey": "abc123"}
assert (
StringEvaluator._evaluate_custom_var(sequence, vars) == expected
)
class TestReplaceVarWithValue:
test_data = [
("${age}", "${age}", "45", "45"),
("I am ${age} years old", "${age}", "60", "I am 60 years old"),
(
"url/${{some['python_code']!}}",
"${{some['python_code']!}}",
"300",
"url/300",
),
(
"${BASE_URL}/posts",
"${BASE_URL}",
"https://jsonplaceholder.typicode.com",
"https://jsonplaceholder.typicode.com/posts",
),
]
@pytest.mark.parametrize(
"sequence, variable, variable_value, expected", test_data
)
def test_should_replace(self, sequence, variable, variable_value, expected):
assert (
StringEvaluator.replace_var_with_value(
sequence, variable, variable_value
)
== expected
)