Add test for automatic decompression in net builtin

packages/lib/src/tests.rs

@@ -49,6 +49,7 @@ create_tests! {
     fs_move: "fs/move",
 
     net_request_codes: "net/request/codes",
+    net_request_compression: "net/request/compression",
     net_request_methods: "net/request/methods",
     net_request_query: "net/request/query",
     net_request_redirect: "net/request/redirect",

tests/net/request/compression.luau

@@ -0,0 +1,56 @@
+local net = require("@lune/net")
+
+-- Should decompress automatically by default
+
+local response = net.request({
+	url = "https://httpbingo.org/gzip",
+	headers = {
+		["Accept-Encoding"] = "gzip",
+	},
+})
+
+assert(
+	response.ok,
+	"Request failed with status "
+		.. tostring(response.statusCode)
+		.. " "
+		.. tostring(response.statusMessage)
+)
+
+local success, json = pcall(net.jsonDecode, response.body)
+assert(success, "Failed to decode json response\n" .. tostring(json))
+
+-- Content encoding header should no longer exist when automatically decompressed
+
+assert(
+	response.headers["content-encoding"] == nil,
+	"Content encoding header still exists after automatic decompression"
+)
+
+-- Should do nothing when explicitly disabled
+
+local response2 = net.request({
+	url = "https://httpbingo.org/gzip",
+	headers = {
+		["Accept-Encoding"] = "gzip",
+	},
+	options = { decompress = false },
+})
+
+assert(
+	response2.ok,
+	"Request failed with status "
+		.. tostring(response2.statusCode)
+		.. " "
+		.. tostring(response2.statusMessage)
+)
+
+local success2 = pcall(net.jsonDecode, response2.body)
+assert(not success2, "Decompression disabled still returned json response")
+
+-- Content encoding header should still exist when not automatically decompressed
+
+assert(
+	response2.headers["content-encoding"] ~= nil,
+	"Content encoding header is missing when automatic decompression is disabled"
+)