From f2d6b3e6b444c61e269935188a6799c0f01d71d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Wed, 13 Oct 2021 03:10:55 +0200
Subject: [PATCH] run tests without using 'nose'

run_tests.sh -> run_tests.py
---
 .github/workflows/tests.yml |  1 -
 Makefile                    |  2 +-
 gallery_dl/cache.py         | 21 ++++++++++-------
 scripts/run_tests.py        | 46 +++++++++++++++++++++++++++++++++++++
 scripts/run_tests.sh        | 24 -------------------
 test/test_cache.py          |  1 +
 6 files changed, 61 insertions(+), 34 deletions(-)
 create mode 100755 scripts/run_tests.py
 delete mode 100755 scripts/run_tests.sh

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b818cd97..23566a43 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -36,7 +36,6 @@ jobs:
 
     - name: Run tests
       run: |
-        pip install nose
         make test
 
     - name: Test autogeneration of man pages, bash/zsh completion, etc
diff --git a/Makefile b/Makefile
index 334a1b3d..1ab7e06d 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ release: man completion supportedsites
 	scripts/release.sh
 
 test:
-	scripts/run_tests.sh
+	scripts/run_tests.py
 
 executable:
 	scripts/pyinstaller.py
diff --git a/gallery_dl/cache.py b/gallery_dl/cache.py
index 7a49b61a..923ed32c 100644
--- a/gallery_dl/cache.py
+++ b/gallery_dl/cache.py
@@ -211,13 +211,18 @@ def _path():
     return os.path.join(cachedir, "cache.sqlite3")
 
 
-try:
-    dbfile = _path()
+def _init():
+    try:
+        dbfile = _path()
+
+        # restrict access permissions for new db files
+        os.close(os.open(dbfile, os.O_CREAT | os.O_RDONLY, 0o600))
+
+        DatabaseCacheDecorator.db = sqlite3.connect(
+            dbfile, timeout=60, check_same_thread=False)
+    except (OSError, TypeError, sqlite3.OperationalError):
+        global cache
+        cache = memcache
 
-    # restrict access permissions for new db files
-    os.close(os.open(dbfile, os.O_CREAT | os.O_RDONLY, 0o600))
 
-    DatabaseCacheDecorator.db = sqlite3.connect(
-        dbfile, timeout=60, check_same_thread=False)
-except (OSError, TypeError, sqlite3.OperationalError):
-    cache = memcache  # noqa: F811
+_init()
diff --git a/scripts/run_tests.py b/scripts/run_tests.py
new file mode 100755
index 00000000..d1fd1f14
--- /dev/null
+++ b/scripts/run_tests.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Copyright 2021 Mike Fährmann
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+import os
+import sys
+import unittest
+
+TEST_DIRECTORY = os.path.join(
+    os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "test")
+
+sys.path.insert(0, TEST_DIRECTORY)
+
+if len(sys.argv) <= 1:
+    TESTS = [
+        file.rpartition(".")[0]
+        for file in os.listdir(TEST_DIRECTORY)
+        if file.startswith("test_") and file != "test_results.py"
+    ]
+else:
+    TESTS = [
+        name if name.startswith("test_") else "test_" + name
+        for name in sys.argv[1:]
+    ]
+
+
+suite = unittest.TestSuite()
+
+for test in TESTS:
+    try:
+        module = __import__(test)
+    except ImportError:
+        print("unable to import", test)
+    else:
+        tests = unittest.defaultTestLoader.loadTestsFromModule(module)
+        suite.addTests(tests)
+
+if __name__ == "__main__":
+    result = unittest.TextTestRunner(verbosity=2).run(suite)
+    if result.errors or result.failures:
+        sys.exit(1)
diff --git a/scripts/run_tests.sh b/scripts/run_tests.sh
deleted file mode 100755
index 3a21ddb8..00000000
--- a/scripts/run_tests.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/bin/bash
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-
-TESTS_CORE=(cache config cookies downloader extractor formatter job oauth output postprocessor text util)
-TESTS_RESULTS=(results)
-
-
-# select tests
-case "${1:-${GALLERYDL_TESTS:-core}}" in
-    core)    TESTS=( ${TESTS_CORE[@]}    );;
-    results) TESTS=( ${TESTS_RESULTS[@]} );;
-    *)       TESTS=(                     );;
-esac
-
-
-# transform each array element to test_###.py
-TESTS=( ${TESTS[@]/#/test_} )
-TESTS=( ${TESTS[@]/%/.py}   )
-
-
-# run 'nosetests' with selected tests
-# (or all tests if ${TESTS} is empty)
-nosetests --verbose -w "${DIR}/../test" ${TESTS[@]}
diff --git a/test/test_cache.py b/test/test_cache.py
index ecf482ca..9b3623af 100644
--- a/test/test_cache.py
+++ b/test/test_cache.py
@@ -20,6 +20,7 @@ from gallery_dl import config, util  # noqa E402
 dbpath = tempfile.mkstemp()[1]
 config.set(("cache",), "file", dbpath)
 from gallery_dl import cache  # noqa E402
+cache._init()
 
 
 #  def tearDownModule():