Add some infrastructure for unit tests

CONTRIBUTING.md

@@ -29,6 +29,15 @@ If you need to modify it or amend it in some way, you should always appropriatel
 Also see: [Github Help: Using Pull Requests](https://help.github.com/articles/using-pull-requests/)
 
 
+### Running Tests
+
+To run unit tests, simply run:
+
+```bash
+python3 -m unittest discover
+```
+
+
 ### Need help?
 
 You can always ask for help in our IRC channel, `#Hearthsim` on [Freenode](https://freenode.net/).

unitypack/__init__.py

@@ -1,7 +1,7 @@
-import pkg_resources
 
-
-__version__ = pkg_resources.require("unitypack")[0].version
+if __name__ == '__main__':
+	import pkg_resources
+	__version__ = pkg_resources.require("unitypack")[0].version
 
 
 def load(file, env=None):

unitypack/test/fixtures/README.md

@@ -0,0 +1 @@
+Fixtures are currently built manually using [Unity Asset Bundle Browser tool](https://github.com/Unity-Technologies/AssetBundles-Browser) in the Unity Editor.

unitypack/test/fixtures/bundles/audio-2019.3.13f1-no-compression.manifest

@@ -0,0 +1,17 @@
+ManifestFileVersion: 0
+CRC: 454576840
+Hashes:
+  AssetFileHash:
+    serializedVersion: 2
+    Hash: ae5ad6387bb316cd93b359f260b990ce
+  TypeTreeHash:
+    serializedVersion: 2
+    Hash: 3f7d0c5e0986ec71841622bcb2f9be1c
+HashAppended: 0
+ClassTypes:
+- Class: 83
+  Script: {instanceID: 0}
+Assets:
+- Assets/Bruh - Sound Effect (HD) [D2_r4q2imnQ].mp3
+- Assets/Bruh - Sound Effect (HD) [D2_r4q2imnQ].wav
+Dependencies: []

unitypack/test/fixtures/bundles/single-text-file-2019.3.13f1-chunked-lz4.manifest

@@ -0,0 +1,16 @@
+ManifestFileVersion: 0
+CRC: 802265369
+Hashes:
+  AssetFileHash:
+    serializedVersion: 2
+    Hash: d636de81326fb6ccce55ea9e2d2cf878
+  TypeTreeHash:
+    serializedVersion: 2
+    Hash: 5ad585dd02dfb5016c0dad519eab8f49
+HashAppended: 0
+ClassTypes:
+- Class: 49
+  Script: {instanceID: 0}
+Assets:
+- Assets/example.txt
+Dependencies: []

unitypack/test/fixtures/bundles/single-text-file-2019.3.13f1-lzma.manifest

@@ -0,0 +1,16 @@
+ManifestFileVersion: 0
+CRC: 802265369
+Hashes:
+  AssetFileHash:
+    serializedVersion: 2
+    Hash: 3e47ce8a9ba896cddc171921cbdbe28f
+  TypeTreeHash:
+    serializedVersion: 2
+    Hash: 5ad585dd02dfb5016c0dad519eab8f49
+HashAppended: 0
+ClassTypes:
+- Class: 49
+  Script: {instanceID: 0}
+Assets:
+- Assets/example.txt
+Dependencies: []

unitypack/test/fixtures/bundles/single-text-file-2019.3.13f1-no-compression.manifest

@@ -0,0 +1,16 @@
+ManifestFileVersion: 0
+CRC: 668520680
+Hashes:
+  AssetFileHash:
+    serializedVersion: 2
+    Hash: 316393cb9cd8b38d63e4d44bb3ef4c47
+  TypeTreeHash:
+    serializedVersion: 2
+    Hash: 5ad585dd02dfb5016c0dad519eab8f49
+HashAppended: 0
+ClassTypes:
+- Class: 49
+  Script: {instanceID: 0}
+Assets:
+- Assets/example.txt
+Dependencies: []

unitypack/test/fixtures/projects/example-bundles/.gitignore

@@ -0,0 +1,73 @@
+# This .gitignore file should be placed at the root of your Unity project directory
+#
+# Get latest from https://github.com/github/gitignore/blob/main/Unity.gitignore
+#
+/[Ll]ibrary/
+/[Tt]emp/
+/[Oo]bj/
+/[Bb]uild/
+/[Bb]uilds/
+/[Ll]ogs/
+/[Uu]ser[Ss]ettings/
+/[Aa]sset[Bb]undles/
+
+# MemoryCaptures can get excessive in size.
+# They also could contain extremely sensitive data
+/[Mm]emoryCaptures/
+
+# Recordings can get excessive in size
+/[Rr]ecordings/
+
+# Uncomment this line if you wish to ignore the asset store tools plugin
+# /[Aa]ssets/AssetStoreTools*
+
+# Autogenerated Jetbrains Rider plugin
+/[Aa]ssets/Plugins/Editor/JetBrains*
+
+# Visual Studio cache directory
+.vs/
+
+# Gradle cache directory
+.gradle/
+
+# Autogenerated VS/MD/Consulo solution and project files
+ExportedObj/
+.consulo/
+*.csproj
+*.unityproj
+*.sln
+*.suo
+*.tmp
+*.user
+*.userprefs
+*.pidb
+*.booproj
+*.svd
+*.pdb
+*.mdb
+*.opendb
+*.VC.db
+
+# Unity3D generated meta files
+*.pidb.meta
+*.pdb.meta
+*.mdb.meta
+
+# Unity3D generated file on crash reports
+sysinfo.txt
+
+# Builds
+*.apk
+*.aab
+*.unitypackage
+*.app
+
+# Crashlytics generated file
+crashlytics-build.properties
+
+# Packed Addressables
+/[Aa]ssets/[Aa]ddressable[Aa]ssets[Dd]ata/*/*.bin*
+
+# Temporary auto-generated Android Assets
+/[Aa]ssets/[Ss]treamingAssets/aa.meta
+/[Aa]ssets/[Ss]treamingAssets/aa/*

unitypack/test/fixtures/projects/example-bundles/.vscode/settings.json

@@ -0,0 +1,56 @@
+{
+    "files.exclude":
+    {
+        "**/.DS_Store":true,
+        "**/.git":true,
+        "**/.gitignore":true,
+        "**/.gitmodules":true,
+        "**/*.booproj":true,
+        "**/*.pidb":true,
+        "**/*.suo":true,
+        "**/*.user":true,
+        "**/*.userprefs":true,
+        "**/*.unityproj":true,
+        "**/*.dll":true,
+        "**/*.exe":true,
+        "**/*.pdf":true,
+        "**/*.mid":true,
+        "**/*.midi":true,
+        "**/*.wav":true,
+        "**/*.gif":true,
+        "**/*.ico":true,
+        "**/*.jpg":true,
+        "**/*.jpeg":true,
+        "**/*.png":true,
+        "**/*.psd":true,
+        "**/*.tga":true,
+        "**/*.tif":true,
+        "**/*.tiff":true,
+        "**/*.3ds":true,
+        "**/*.3DS":true,
+        "**/*.fbx":true,
+        "**/*.FBX":true,
+        "**/*.lxo":true,
+        "**/*.LXO":true,
+        "**/*.ma":true,
+        "**/*.MA":true,
+        "**/*.obj":true,
+        "**/*.OBJ":true,
+        "**/*.asset":true,
+        "**/*.cubemap":true,
+        "**/*.flare":true,
+        "**/*.mat":true,
+        "**/*.meta":true,
+        "**/*.prefab":true,
+        "**/*.unity":true,
+        "build/":true,
+        "Build/":true,
+        "Library/":true,
+        "library/":true,
+        "obj/":true,
+        "Obj/":true,
+        "ProjectSettings/":true,
+        "temp/":true,
+        "Temp/":true
+    }
+}