Added initial tests

tests/README.md

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+# Running the test suite
+
+The tests use pytest so:
+
+`python3 -m pip install pytest`
+`python -m pytest`
+
+In order to properly test PhotoScript, the test suite must obviously interact with Photos using AppleScript.  This requires some user input so the test suite **must** be run with user interaction; it cannot be run in "headless" manner.
+
+When the test suite is run, pytest will first copy a test library to the user's ~/Pictures folder (overwriting the existing test library if it is present) then tell Photos to open this library.  This may require user interaction to confirm opening the library.
+
+Some of the tests will pause an wait for the user to do something.  These tests will prompt the user and tell them what to do (e.g. select photos in Photos).
+

tests/conftest.py

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+import pytest
+
+import shutil
+from applescript import AppleScript
+import os
+import pathlib
+
+TEST_LIBRARY = "Test-PhotoScript-10.15.6.photoslibrary"
+
+
+@pytest.fixture(scope="session")
+def photo_library():
+    """ copy the test library and open Photos """
+    script = AppleScript(
+        """
+        tell application "Photos"
+            quit
+        end tell
+        """
+    )
+    script.run()
+    src = pathlib.Path(os.getcwd()) / f"tests/test_libraries/{TEST_LIBRARY}"
+    dest = os.path.expanduser(f"~/Pictures")
+    library = shutil.copytree(src, dest, dirs_exist_ok=True)
+    script = AppleScript(
+        f"""
+            set tries to 0
+            repeat while tries < 5
+                try
+                    tell application "Photos"
+                        activate
+                        delay 5
+                        open POSIX file "{library}"
+                    end tell
+                    set tries to 5
+                on error
+                    set tries to tries + 1
+                end try
+            end repeat
+        """
+    )
+    script.run()
+    return library
+
+@pytest.fixture
+def suspend_capture(pytestconfig):
+    class suspend_guard:
+        def __init__(self):
+            self.capmanager = pytestconfig.pluginmanager.getplugin('capturemanager')
+        def __enter__(self):
+            self.capmanager.suspend_global_capture(in_=True)
+        def __exit__(self, _1, _2, _3):
+            self.capmanager.resume_global_capture()
+
+    yield suspend_guard()

tests/test_libraries/Test-PhotoScript-10.15.6.photoslibrary/database/DataModelVersion.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>LibrarySchemaVersion</key>
+	<integer>5001</integer>
+	<key>MetaSchemaVersion</key>
+	<integer>3</integer>
+</dict>
+</plist>

tests/test_libraries/Test-PhotoScript-10.15.6.photoslibrary/database/Photos.sqlite.lock

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>hostname</key>
+	<string>Rhets-MacBook-Pro.local</string>
+	<key>hostuuid</key>
+	<string>9575E48B-8D5F-5654-ABAC-4431B1167324</string>
+	<key>pid</key>
+	<integer>3175</integer>
+	<key>processname</key>
+	<string>photolibraryd</string>
+	<key>uid</key>
+	<integer>501</integer>
+</dict>
+</plist>

tests/test_libraries/Test-PhotoScript-10.15.6.photoslibrary/database/search/searchMetadata.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BlacklistedMeaningsByMeaning</key>
+	<dict/>
+	<key>SceneWhitelist</key>
+	<array>
+		<string>Graduation</string>
+		<string>Aquarium</string>
+		<string>Food</string>
+		<string>Ice Skating</string>
+		<string>Mountain</string>
+		<string>Cliff</string>
+		<string>Basketball</string>
+		<string>Tennis</string>
+		<string>Jewelry</string>
+		<string>Cheese</string>
+		<string>Softball</string>
+		<string>Football</string>
+		<string>Circus</string>
+		<string>Jet Ski</string>
+		<string>Playground</string>
+		<string>Carousel</string>
+		<string>Paint Ball</string>
+		<string>Windsurfing</string>
+		<string>Sailboat</string>
+		<string>Sunbathing</string>
+		<string>Dam</string>
+		<string>Fireplace</string>
+		<string>Flower</string>
+		<string>Scuba</string>
+		<string>Hiking</string>
+		<string>Cetacean</string>
+		<string>Pier</string>
+		<string>Bowling</string>
+		<string>Snowboarding</string>
+		<string>Zoo</string>
+		<string>Snowmobile</string>
+		<string>Theater</string>
+		<string>Boat</string>
+		<string>Casino</string>
+		<string>Car</string>
+		<string>Diving</string>
+		<string>Cycling</string>
+		<string>Musical Instrument</string>
+		<string>Board Game</string>
+		<string>Castle</string>
+		<string>Sunset Sunrise</string>
+		<string>Martial Arts</string>
+		<string>Motocross</string>
+		<string>Submarine</string>
+		<string>Cat</string>
+		<string>Snow</string>
+		<string>Kiteboarding</string>
+		<string>Squash</string>
+		<string>Geyser</string>
+		<string>Music</string>
+		<string>Archery</string>
+		<string>Desert</string>
+		<string>Blackjack</string>
+		<string>Fireworks</string>
+		<string>Sportscar</string>
+		<string>Feline</string>
+		<string>Soccer</string>
+		<string>Museum</string>
+		<string>Baby</string>
+		<string>Fencing</string>
+		<string>Railroad</string>
+		<string>Nascar</string>
+		<string>Sky Surfing</string>
+		<string>Bird</string>
+		<string>Games</string>
+		<string>Baseball</string>
+		<string>Dressage</string>
+		<string>Snorkeling</string>
+		<string>Pyramid</string>
+		<string>Kite</string>
+		<string>Rowboat</string>
+		<string>Golf</string>
+		<string>Watersports</string>
+		<string>Lightning</string>
+		<string>Canyon</string>
+		<string>Auditorium</string>
+		<string>Night Sky</string>
+		<string>Karaoke</string>
+		<string>Skiing</string>
+		<string>Parade</string>
+		<string>Forest</string>
+		<string>Hot Air Balloon</string>
+		<string>Dragon Parade</string>
+		<string>Easter Egg</string>
+		<string>Monument</string>
+		<string>Jungle</string>
+		<string>Thanksgiving</string>
+		<string>Jockey Horse</string>
+		<string>Stadium</string>
+		<string>Airplane</string>
+		<string>Ballet</string>
+		<string>Yoga</string>
+		<string>Coral Reef</string>
+		<string>Skating</string>
+		<string>Wrestling</string>
+		<string>Bicycle</string>
+		<string>Tattoo</string>
+		<string>Amusement Park</string>
+		<string>Canoe</string>
+		<string>Cheerleading</string>
+		<string>Ping Pong</string>
+		<string>Fishing</string>
+		<string>Magic</string>
+		<string>Reptile</string>
+		<string>Winter Sport</string>
+		<string>Waterfall</string>
+		<string>Train</string>
+		<string>Bonsai</string>
+		<string>Surfing</string>
+		<string>Dog</string>
+		<string>Cake</string>
+		<string>Sledding</string>
+		<string>Sandcastle</string>
+		<string>Glacier</string>
+		<string>Lighthouse</string>
+		<string>Equestrian</string>
+		<string>Rafting</string>
+		<string>Shore</string>
+		<string>Hockey</string>
+		<string>Santa Claus</string>
+		<string>Formula One Car</string>
+		<string>Sport</string>
+		<string>Vehicle</string>
+		<string>Boxing</string>
+		<string>Rollerskating</string>
+		<string>Underwater</string>
+		<string>Orchestra</string>
+		<string>Carnival</string>
+		<string>Rocket</string>
+		<string>Skateboarding</string>
+		<string>Helicopter</string>
+		<string>Performance</string>
+		<string>Oktoberfest</string>
+		<string>Water Polo</string>
+		<string>Skate Park</string>
+		<string>Animal</string>
+		<string>Nightclub</string>
+		<string>String Instrument</string>
+		<string>Dinosaur</string>
+		<string>Gymnastics</string>
+		<string>Cricket</string>
+		<string>Volcano</string>
+		<string>Lake</string>
+		<string>Aurora</string>
+		<string>Dancing</string>
+		<string>Concert</string>
+		<string>Rock Climbing</string>
+		<string>Hang Glider</string>
+		<string>Rodeo</string>
+		<string>Fish</string>
+		<string>Art</string>
+		<string>Motorcycle</string>
+		<string>Volleyball</string>
+		<string>Wake Boarding</string>
+		<string>Badminton</string>
+		<string>Motor Sport</string>
+		<string>Sumo</string>
+		<string>Parasailing</string>
+		<string>Skydiving</string>
+		<string>Kickboxing</string>
+		<string>Pinata</string>
+		<string>Foosball</string>
+		<string>Go Kart</string>
+		<string>Poker</string>
+		<string>Kayak</string>
+		<string>Swimming</string>
+		<string>Atv</string>
+		<string>Beach</string>
+		<string>Dartboard</string>
+		<string>Athletics</string>
+		<string>Camping</string>
+		<string>Tornado</string>
+		<string>Billiards</string>
+		<string>Rugby</string>
+		<string>Airshow</string>
+	</array>
+</dict>
+</plist>

tests/test_libraries/Test-PhotoScript-10.15.6.photoslibrary/database/search/searchProgress.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>insertAlbum</key>
+	<array/>
+	<key>insertAsset</key>
+	<array/>
+	<key>insertHighlight</key>
+	<array/>
+	<key>insertMemory</key>
+	<array/>
+	<key>insertMoment</key>
+	<array/>
+	<key>removeAlbum</key>
+	<array/>
+	<key>removeAsset</key>
+	<array/>
+	<key>removeHighlight</key>
+	<array/>
+	<key>removeMemory</key>
+	<array/>
+	<key>removeMoment</key>
+	<array/>
+</dict>
+</plist>

tests/test_libraries/Test-PhotoScript-10.15.6.photoslibrary/database/search/searchSystemInfo.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>embeddingVersion</key>
+	<string>1</string>
+	<key>localeIdentifier</key>
+	<string>en_US</string>
+	<key>sceneTaxonomySHA</key>
+	<string>87914a047c69fbe8013fad2c70fa70c6c03b08b56190fe4054c880e6b9f57cc3</string>
+	<key>searchIndexVersion</key>
+	<string>10</string>
+</dict>
+</plist>