80 lines
3.0 KiB
Python
80 lines
3.0 KiB
Python
# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import annotations
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import os
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import pathlib
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import tempfile
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import textwrap
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import unittest
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from unittest.mock import MagicMock
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from streamlit import config, source_util
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from streamlit.runtime import Runtime
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from streamlit.runtime.caching.storage.dummy_cache_storage import (
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MemoryCacheStorageManager,
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)
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from streamlit.runtime.media_file_manager import MediaFileManager
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from streamlit.runtime.memory_media_file_storage import MemoryMediaFileStorage
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from streamlit.testing.local_script_runner import LocalScriptRunner
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class InteractiveScriptTests(unittest.TestCase):
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tmp_script_dir: tempfile.TemporaryDirectory[str]
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def setUp(self) -> None:
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super().setUp()
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self.tmp_script_dir = tempfile.TemporaryDirectory()
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mock_runtime = MagicMock(spec=Runtime)
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mock_runtime.media_file_mgr = MediaFileManager(
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MemoryMediaFileStorage("/mock/media")
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)
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mock_runtime.cache_storage_manager = MemoryCacheStorageManager()
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Runtime._instance = mock_runtime
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with source_util._pages_cache_lock:
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self.saved_cached_pages = source_util._cached_pages
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source_util._cached_pages = None
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def tearDown(self) -> None:
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super().tearDown()
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with source_util._pages_cache_lock:
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source_util._cached_pages = self.saved_cached_pages
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Runtime._instance = None
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@classmethod
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def setUpClass(cls) -> None:
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# set unconditionally for whole process, since we are just running tests
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config.set_option("runner.postScriptGC", False)
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def script_from_string(self, script_name: str, script: str) -> LocalScriptRunner:
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"""Create a runner for a script with the contents from a string.
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Useful for testing short scripts that fit comfortably as an inline
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string in the test itself, without having to create a separate file
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for it.
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"""
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path = pathlib.Path(self.tmp_script_dir.name, script_name)
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aligned_script = textwrap.dedent(script)
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path.write_text(aligned_script)
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return LocalScriptRunner(str(path))
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def script_from_filename(
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self, test_dir: str, script_name: str
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) -> LocalScriptRunner:
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"""Create a runner for the script with the given name, for testing."""
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script_path = os.path.join(os.path.dirname(test_dir), "test_data", script_name)
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return LocalScriptRunner(script_path)
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