def test_with_unknown_field(data_store_path, caplog):
"""Test `update` when the user has an unknown field."""
caplog.set_level(logging.WARNING)
data_set = [{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
}]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
user = {"phone": "999-999-9999", "foobar": "baz"}
data_store.update("Eric Idle", **user)
expected_data = {
"name": "Eric Idle",
"phone": "999-999-9999",
"address": "here"
}
assert expected_data in data_store._users
assert expected_data in json.loads(data_store_path.read_text())
for record in caplog.records:
if "foobar" in record.getMessage():
break
else:
pytest.fail(
"Unable to find warning message with unknown field 'foobar'")
def test_with_different_name(data_store_path):
"""Test when updating a user with a different name."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
},
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "there"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store._users == data_set
updated_user = {
"name": "Terry Gilliam",
"phone": "999-999-9999",
"address": "not here",
}
data_store.update("Eric Idle", **updated_user)
assert updated_user in data_store._users
assert not [
user for user in data_store._users if user["name"] == "Eric Idle"
]
json_data = json.loads(data_store_path.read_text())
assert updated_user in json_data
assert not [user for user in json_data if user["name"] == "Eric Idle"]
def test_with_unknown_field(data_store_path, caplog):
"""Test `create` when the user has an unknown field."""
caplog.set_level(logging.WARNING)
data_store = JSONDataStore(file_path=str(data_store_path))
user = {
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here",
"foobar": "baz",
}
data_store.create(user)
expected_data = [{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
}]
assert data_store._users == expected_data
assert json.loads(data_store_path.read_text()) == expected_data
for record in caplog.records:
if "foobar" in record.getMessage():
break
else:
pytest.fail(
"Unable to find warning message with unknown field 'foobar'")
def test_with_duplicate_user(data_store_path):
"""Test `update` when changing the name and the user already exists."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
},
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "there"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store._users == data_set
updated_user = {
"name": "John Cleese",
"phone": "999-999-9999",
"address": "not here",
}
with pytest.raises(DuplicateUserError) as error:
data_store.update("Eric Idle", **updated_user)
assert "John Cleese" in str(error.value)
def test_with_populated_file(data_store_path):
"""Test creating a user when the data store is not empty."""
data_set = [
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "there"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store._users == data_set
data_store.create({
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
})
expected_data = [
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "there"
},
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
},
]
assert data_store._users == expected_data
assert json.loads(data_store_path.read_text()) == expected_data
def test_with_same_name(data_store_path):
"""Test when updating a user with the same name."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
},
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "there"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store._users == data_set
updated_user = {
"name": "Eric Idle",
"phone": "999-999-9999",
"address": "not here"
}
data_store.update("Eric Idle", **updated_user)
assert updated_user in data_store._users
assert updated_user in json.loads(data_store_path.read_text())
def test_with_empty_file_no_filters(data_store_path):
"""Test reading an empty data store with no filters."""
data_set = []
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
result = data_store.read()
assert result == data_set
def test_with_missing_user(data_store_path):
"""Test `get` when the user doesn't exists."""
data_set = [{"name": "Eric Idle", "phone": "123-456-7890", "address": "here"}]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store._users == data_set
with pytest.raises(MissingUserError) as error:
data_store.get("John Cleese")
assert "John Cleese" in str(error.value)
def test_updates_to_data_store(data_store_path):
"""Test reloading a data store wipes any unsaved changes."""
data_store_path.write_text(json.dumps([]))
data_store = JSONDataStore(file_path=str(data_store_path))
data_store._users = [
{"name": "Eric Idle", "phone": "123-456-7890", "address": "here"}
]
data_store.reload()
assert data_store._users == []
def test_updates_to_file(data_store_path):
"""Test reloading a data store when the JSON file has changed."""
data_store_path.write_text(json.dumps([]))
data_store = JSONDataStore(file_path=str(data_store_path))
# change the file after the class has loaded the empty file into
# memory
data_set = [{"name": "Eric Idle", "phone": "123-456-7890", "address": "here"}]
data_store_path.write_text(json.dumps(data_set))
data_store.reload()
assert data_store._users == data_set
def test_with_missing_required_fields(data_store_path, missing_fields):
"""Test `create` when the user is missing a required field."""
data_store = JSONDataStore(file_path=str(data_store_path))
user = {"name": "Eric Idle", "phone": "123-456-7890", "address": "here"}
for missing_field in missing_fields:
del user[missing_field]
with pytest.raises(InvalidUserError) as error:
data_store.create(user)
error_msg = str(error.value)
for missing_field in missing_fields:
assert missing_field in error_msg
def test_with_single_user_no_filters(data_store_path):
"""Test reading a single-user data store with no filters."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "there"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
result = data_store.read()
assert result == data_set
def test_main_case(data_store_path):
"""Test getting a user by name."""
data_set = [
{"name": "Eric Idle", "phone": "123-456-7890", "address": "here"},
{"name": "John Cleese", "phone": "111-222-3333", "address": "there"},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store._users == data_set
result = data_store.get("Eric Idle")
expected_result = {"name": "Eric Idle", "phone": "123-456-7890", "address": "here"}
assert result == expected_result
def test_with_multiple_users(data_store_path):
"""Test creating a data store when the JSON file has many users."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
},
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "there"
},
{
"name": "Terry Gilliam",
"phone": "555-555-5555",
"address": "not here"
},
]
data_store_path.write_text(json.dumps(data_set))
assert data_store_path.exists()
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store
assert data_store._users == data_set
def test_with_empty_file(data_store_path):
"""Test creating a data store when the JSON file is empty."""
data_set = []
data_store_path.write_text(json.dumps(data_set))
assert data_store_path.exists()
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store
assert data_store._users == []
def test_with_duplicate_user(data_store_path):
"""Test `create` when the user already exists."""
data_set = [{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
}]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store._users == data_set
user = {
"name": "Eric Idle",
"phone": "999-999-9999",
"address": "not here"
}
with pytest.raises(DuplicateUserError) as error:
data_store.create(user)
assert "Eric Idle" in str(error.value)
def test_main_case(data_store_path):
"""Test deleting a user."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
},
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "there"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store._users == data_set
data_store.delete("Eric Idle")
assert data_set[0] not in data_store._users
assert data_set[0] not in json.loads(data_store_path.read_text())
def test_matching_exact_filter(data_store_path, exact_filters):
"""Test reading with an exact filter."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "there"
},
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "here"
},
{
"name": "Terry Gilliam",
"phone": "555-555-5555",
"address": "not found"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
result = data_store.read(filters=dict(exact_filters))
assert result == [data_set[0]]
def test_with_single_user(data_store_path):
"""Test creating a data store when the JSON file contains one user."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "here"
},
]
data_store_path.write_text(json.dumps(data_set))
assert data_store_path.exists()
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store
assert data_store._users == data_set
def test_fuzzy_filter_multiple_result(data_store_path, fuzzy_filters):
"""Test reading with a fuzzy filter with multiple results."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "there"
},
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "here"
},
{
"name": "Terry Gilliam",
"phone": "555-555-5555",
"address": "not found"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
result = data_store.read(filters=dict(fuzzy_filters))
assert result == [data_set[0], data_set[1]]
def test_without_match(data_store_path, filters):
"""Test reading when no filters match."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "there"
},
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "here"
},
{
"name": "Terry Gilliam",
"phone": "555-555-5555",
"address": "not found"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
result = data_store.read(filters=filters)
assert result == []
def test_with_multiple_users_no_filters(data_store_path):
"""Test reading a multiple-user data store with no filters."""
data_set = [
{
"name": "Eric Idle",
"phone": "123-456-7890",
"address": "there"
},
{
"name": "John Cleese",
"phone": "111-222-3333",
"address": "here"
},
{
"name": "Terry Gilliam",
"phone": "555-555-5555",
"address": "not found"
},
]
data_store_path.write_text(json.dumps(data_set))
data_store = JSONDataStore(file_path=str(data_store_path))
result = data_store.read()
assert result == data_set
def test_name(data_store_path):
"""Test the data store has a name defined."""
assert not data_store_path.exists()
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store.NAME == "json"
def test_without_file(data_store_path):
"""Test creating a data store when the JSON file doesn't exist."""
assert not data_store_path.exists()
data_store = JSONDataStore(file_path=str(data_store_path))
assert data_store
assert data_store._users == []