File exp_domain_test.py has 17203 lines of code (exceeds 250 allowed). Consider refactoring.

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# coding: utf-8
#
# Copyright 2014 The Oppia Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");

Function test_validation has 223 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def test_validation(self) -> None:
        """Test validation of explorations."""
        exploration = exp_domain.Exploration.create_default_exploration('eid')
        content_id_generator = translation_domain.ContentIdGenerator(
            exploration.next_content_id_index

ExplorationDomainUnitTests has 54 functions (exceeds 20 allowed). Consider refactoring.

Open

class ExplorationDomainUnitTests(test_utils.GenericTestBase):
    """Test the exploration domain object."""

    def setUp(self) -> None:
        super().setUp()

ExplorationSummaryTests has 42 functions (exceeds 20 allowed). Consider refactoring.

Open

class ExplorationSummaryTests(test_utils.GenericTestBase):

    def setUp(self) -> None:
        super().setUp()
        self.signup(self.OWNER_EMAIL, self.OWNER_USERNAME)

ExplorationChangesMergeabilityUnitTests has 23 functions (exceeds 20 allowed). Consider refactoring.

Open

class ExplorationChangesMergeabilityUnitTests(
        exp_services_test.ExplorationServicesUnitTests,
        test_utils.EmailTestBase):
    """Test methods related to exploration changes mergeability."""

Function test_bypassable_state_with_card_is_checkpoint_true_is_invalid has 54 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def test_bypassable_state_with_card_is_checkpoint_true_is_invalid(
        self
    ) -> None:
        # Note: In the graphs below, states with the * symbol are checkpoints.

Function test_all_html_strings_are_collected has 53 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def test_all_html_strings_are_collected(self) -> None:

        exploration = exp_domain.Exploration.create_default_exploration(
            'eid', title='title', category='category')
        content_id_generator = translation_domain.ContentIdGenerator(

Function test_correct_creation_of_version_diffs has 52 lines of code (exceeds 25 allowed). Consider refactoring.

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    def test_correct_creation_of_version_diffs(self) -> None:
        # Rename a state.
        self.exploration.rename_state('Home', 'Renamed state')
        change_list = [exp_domain.ExplorationChange({
            'cmd': 'rename_state',

Function test_get_trainable_states_dict has 48 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def test_get_trainable_states_dict(self) -> None:
        """Test the get_trainable_states_dict() method."""
        exp_id = 'exp_id1'
        test_exp_filepath = os.path.join(
            feconf.TESTS_DATA_DIR, 'string_classifier_test.yaml')

Function test_drag_and_drop_interaction has 37 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def test_drag_and_drop_interaction(self) -> None:
        """Tests DragAndDrop interaction."""
        self.state.recorded_voiceovers.add_content_id_for_voiceover(
            'ca_choices_2')
        content_id_generator = translation_domain.ContentIdGenerator()

Function test_tag_validation has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def test_tag_validation(self) -> None:
        """Test validation of exploration tags."""
        exploration = exp_domain.Exploration.create_default_exploration('eid')
        content_id_generator = translation_domain.ContentIdGenerator(
            exploration.next_content_id_index

Function test_text_interaction has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def test_text_interaction(self) -> None:
        """Tests Text interaction."""
        self.state.recorded_voiceovers.add_content_id_for_voiceover(
            'feedback_0')
        self.state.recorded_voiceovers.add_content_id_for_voiceover(

Function test_fraction_interaction has 29 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def test_fraction_interaction(self) -> None:
        """Tests Fraction interaction."""
        state = self.new_exploration.states['Introduction']
        content_id_generator = translation_domain.ContentIdGenerator()
        self.set_interaction_for_state(

Function test_item_selection_choice_interaction has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def test_item_selection_choice_interaction(self) -> None:
        """Tests ItemSelection interaction."""
        content_id_generator = translation_domain.ContentIdGenerator()
        self.set_interaction_for_state(
            self.state, 'ItemSelectionInput', content_id_generator)

Function _require_metadata_properties_to_be_synced has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    def _require_metadata_properties_to_be_synced(self) -> None:
        """Raises error if there is a new metadata property in the Exploration
        object and it is not added in the ExplorationMetadata domain object.

        Raises:

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