new unit tests, hehe 67

Signed-off-by: galeon <dertiellis@gmail.com>

tests/fixtures/versions/fabric-loader-0.15.0-1.20.1.json

@@ -0,0 +1,9 @@
+{
+  "id": "fabric-loader-0.15.0-1.20.1", "inheritsFrom": "1.20.1", "type": "release",
+  "mainClass": "net.fabricmc.loader.impl.launch.knot.KnotClient",
+  "arguments": {"game": [], "jvm": ["-DFabricMcEmu= net.minecraft.client.main.Main "]},
+  "libraries": [
+    {"name": "net.fabricmc:fabric-loader:0.15.0", "url": "https://maven.fabricmc.net/"},
+    {"name": "com.mojang:brigadier:9.9.9", "url": "https://maven.fabricmc.net/"}
+  ]
+}

tests/fixtures/versions/legacy-1.7.10.json

@@ -0,0 +1,16 @@
+{
+  "id": "1.7.10", "mainClass": "net.minecraft.client.main.Main",
+  "minecraftArguments": "--username ${auth_player_name}  --session ${auth_session} --gameDir ${game_directory}",
+  "assets": "1.7.10",
+  "libraries": [
+    {"name": "org.lwjgl.lwjgl:lwjgl-platform:2.9.1",
+     "natives": {"linux": "natives-linux", "windows": "natives-windows-${arch}", "osx": "natives-osx"},
+     "extract": {"exclude": ["META-INF/"]},
+     "downloads": {"classifiers": {
+        "natives-linux": {"path": "lw/natives-linux.jar", "url": "https://l/nl.jar", "sha1": "1", "size": 1},
+        "natives-windows-64": {"path": "lw/natives-windows-64.jar", "url": "https://l/nw.jar", "sha1": "2", "size": 2},
+        "natives-windows-32": {"path": "lw/natives-windows-32.jar", "url": "https://l/nw32.jar", "sha1": "3", "size": 3},
+        "natives-osx": {"path": "lw/natives-osx.jar", "url": "https://l/no.jar", "sha1": "4", "size": 4}}}},
+    {"name": "net.minecraft:launchwrapper:1.12", "url": "https://libraries.example/maven"}
+  ]
+}

tests/fixtures/versions/modern-1.20.1.json

@@ -0,0 +1,42 @@
+{
+  "id": "1.20.1",
+  "type": "release",
+  "mainClass": "net.minecraft.client.main.Main",
+  "assets": "5",
+  "assetIndex": {"id": "5", "url": "https://piston-meta.mojang.com/5.json", "sha1": "aa", "size": 1},
+  "javaVersion": {"component": "java-runtime-gamma", "majorVersion": 17},
+  "logging": {"client": {"argument": "-Dlog4j.configurationFile=${path}",
+                         "file": {"id": "client-1.12.xml", "url": "https://x/client-1.12.xml"}}},
+  "arguments": {
+    "game": ["--username", "${auth_player_name}", "--version", "${version_name}",
+             "--gameDir", "${game_directory}", "--assetsDir", "${assets_root}",
+             "--assetIndex", "${assets_index_name}", "--uuid", "${auth_uuid}",
+             "--accessToken", "${auth_access_token}", "--userType", "${user_type}",
+             "--versionType", "${version_type}",
+             {"rules": [{"action": "allow", "features": {"is_demo_user": true}}], "value": "--demo"},
+             {"rules": [{"action": "allow", "features": {"has_custom_resolution": true}}],
+              "value": ["--width", "${resolution_width}", "--height", "${resolution_height}"]},
+             {"rules": [{"action": "allow", "features": {"is_quick_play_multiplayer": true}}],
+              "value": ["--quickPlayMultiplayer", "${quickPlayMultiplayer}"]}],
+    "jvm": [{"rules": [{"action": "allow", "os": {"name": "%OS%"}}], "value": "-Dthis.os=yes"},
+            {"rules": [{"action": "allow", "os": {"name": "%OTHER%"}}], "value": "-Dother.os=yes"},
+            "-Djava.library.path=${natives_directory}", "-cp", "${classpath}"]
+  },
+  "libraries": [
+    {"name": "com.mojang:brigadier:1.1.8",
+     "downloads": {"artifact": {"path": "com/mojang/brigadier/1.1.8/brigadier-1.1.8.jar",
+                                "url": "https://libraries.minecraft.net/com/mojang/brigadier/1.1.8/brigadier-1.1.8.jar",
+                                "sha1": "5244ce82c3337bba4a196a3ce858bfaecc74404a", "size": 77392}}},
+    {"name": "org.lwjgl:lwjgl:3.3.1",
+     "downloads": {"artifact": {"path": "org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1.jar", "url": "https://l/lwjgl.jar", "sha1": "s1", "size": 1}}},
+    {"name": "org.lwjgl:lwjgl:3.3.1:%NATIVE%",
+     "downloads": {"artifact": {"path": "org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1-%NATIVE%.jar", "url": "https://l/native.jar", "sha1": "s2", "size": 2}},
+     "rules": [{"action": "allow", "os": {"name": "%OS%"}}]},
+    {"name": "org.lwjgl:lwjgl:3.3.1:natives-other",
+     "downloads": {"artifact": {"path": "org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1-natives-other.jar", "url": "https://l/o.jar", "sha1": "s3", "size": 3}},
+     "rules": [{"action": "allow", "os": {"name": "%OTHER%"}}]},
+    {"name": "only.other:lib:1.0",
+     "downloads": {"artifact": {"path": "only/other/lib/1.0/lib-1.0.jar", "url": "https://l/x.jar", "sha1": "s4", "size": 4}},
+     "rules": [{"action": "allow"}, {"action": "disallow", "os": {"name": "%OS%"}}]}
+  ]
+}