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lean4-htt/tests/elab/async_http_encode.lean
Garmelon a3cb39eac9
chore: migrate more tests to new test suite (#12809) 
This PR migrates most remaining tests to the new test suite. It also
completes the migration of directories like `tests/lean/run`, meaning
that PRs trying to add tests to those old directories will now fail.
2026-03-06 16:52:01 +00:00

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import Std.Internal.Http.Data.Chunk
import Std.Internal.Http.Data.Request
import Std.Internal.Http.Data.Response
open Std.Http
open Std.Http.Internal
private def encodeStr [Encode .v11 t] (v : t) : String :=
String.fromUTF8! (Encode.encode (v := .v11) ChunkedBuffer.empty v).toByteArray
/-! ## Version encoding -/
/--
info: "HTTP/1.1"
-/
#guard_msgs in
#eval encodeStr Version.v11
/--
info: "HTTP/2.0"
-/
#guard_msgs in
#eval encodeStr Version.v20
/--
info: "HTTP/3.0"
-/
#guard_msgs in
#eval encodeStr Version.v30
/-! ## Method encoding -/
/--
info: "GET"
-/
#guard_msgs in
#eval encodeStr Method.get
/--
info: "HEAD"
-/
#guard_msgs in
#eval encodeStr Method.head
/--
info: "POST"
-/
#guard_msgs in
#eval encodeStr Method.post
/--
info: "PUT"
-/
#guard_msgs in
#eval encodeStr Method.put
/--
info: "DELETE"
-/
#guard_msgs in
#eval encodeStr Method.delete
/--
info: "CONNECT"
-/
#guard_msgs in
#eval encodeStr Method.connect
/--
info: "OPTIONS"
-/
#guard_msgs in
#eval encodeStr Method.options
/--
info: "TRACE"
-/
#guard_msgs in
#eval encodeStr Method.trace
/--
info: "PATCH"
-/
#guard_msgs in
#eval encodeStr Method.patch
/-! ## Status encoding -/
/--
info: "200 OK"
-/
#guard_msgs in
#eval encodeStr Status.ok
/--
info: "201 Created"
-/
#guard_msgs in
#eval encodeStr Status.created
/--
info: "404 Not Found"
-/
#guard_msgs in
#eval encodeStr Status.notFound
/--
info: "500 Internal Server Error"
-/
#guard_msgs in
#eval encodeStr Status.internalServerError
/--
info: "999 Unknown"
-/
#guard_msgs in
#eval encodeStr (Status.other ⟨999, "Unknown", by decide, by decide, by decide⟩)
/-! ## Request.line encoding -/
/--
info: "GET /path HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ method := .get, version := .v11, uri := "/path" } : Request.Head)
/--
info: "POST /submit HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ method := .post, version := .v11, uri := "/submit" } : Request.Head)
/--
info: "PUT /resource HTTP/2.0\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({
method := .put
version := .v20
uri := "/resource"
} : Request.Head)
/-! ## Response.line encoding -/
/--
info: "HTTP/1.1 200 OK\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ status := .ok, version := .v11 } : Response.Head)
/--
info: "HTTP/1.1 404 Not Found\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ status := .notFound, version := .v11 } : Response.Head)
/--
info: "HTTP/2.0 500 Internal Server Error\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({
status := .internalServerError
version := .v20
} : Response.Head)
/-! ## Chunk encoding -/
/--
info: "5\x0d\nhello\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "hello".toUTF8)
/--
info: "0\x0d\n\x0d\n"
-/
#guard_msgs in
#eval encodeStr Chunk.empty
/--
info: "3;lang=en\x0d\nabc\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "abc".toUTF8 |>.insertExtension (Chunk.ExtensionName.mk "lang") (.ofString! "en"))
/--
info: "3;lang=\"en \\\" u\";type=text\x0d\nabc\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "abc".toUTF8 |>.insertExtension (Chunk.ExtensionName.mk "lang") (.ofString! "en \" u") |>.insertExtension (Chunk.ExtensionName.mk "type") (.ofString! "text"))
/--
info: "a\x0d\n0123456789\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "0123456789".toUTF8)
/-! ## Request builder -/
/--
info: "GET /index.html HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.get "/index.html" |>.body ()).line
/--
info: "POST /api/data HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.post "/api/data" |>.body ()).line
/--
info: "PUT /resource HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.put "/resource" |>.body ()).line
/--
info: "DELETE /item HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.delete "/item" |>.body ()).line
/--
info: "PATCH /update HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.patch "/update" |>.body ()).line
/--
info: "HEAD /check HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.head "/check" |>.body ()).line
/--
info: "OPTIONS * HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.options "*" |>.body ()).line
/--
info: "CONNECT proxy:8080 HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.connect "proxy:8080" |>.body ()).line
/--
info: "TRACE /debug HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.trace "/debug" |>.body ()).line
/--
info: "POST /v2 HTTP/2.0\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Request.new |>.method .post |>.uri "/v2" |>.version .v20 |>.body ()).line
/-! ## Response builder -/
/--
info: "HTTP/1.1 200 OK\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.ok |>.body ()).line
/--
info: "HTTP/1.1 404 Not Found\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.notFound |>.body ()).line
/--
info: "HTTP/1.1 500 Internal Server Error\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.internalServerError |>.body ()).line
/--
info: "HTTP/1.1 400 Bad Request\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.badRequest |>.body ()).line
/--
info: "HTTP/1.1 201 Created\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.created |>.body ()).line
/--
info: "HTTP/1.1 202 Accepted\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.accepted |>.body ()).line
/--
info: "HTTP/1.1 401 Unauthorized\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.unauthorized |>.body ()).line
/--
info: "HTTP/1.1 403 Forbidden\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.forbidden |>.body ()).line
/--
info: "HTTP/1.1 409 Conflict\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.conflict |>.body ()).line
/--
info: "HTTP/1.1 503 Service Unavailable\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.serviceUnavailable |>.body ()).line
/--
info: "HTTP/1.1 418 I'm a teapot\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Response.withStatus .imATeapot |>.body ()).line
/-! ## Edge cases: Status encoding -/
-- Status.other 0: minimum possible value
/--
info: "999 Unknown"
-/
#guard_msgs in
#eval encodeStr (Status.other ⟨999, "Unknown", by decide, by decide, by decide⟩)
-- Status.other that overlaps with a named status (100 = Continue)
/--
info: "888 Unknown"
-/
#guard_msgs in
#eval encodeStr (Status.other ⟨888, "Unknown", by decide, by decide, by decide⟩)
-- Status.other max UInt16
/--
info: "999 Unknown"
-/
#guard_msgs in
#eval encodeStr (Status.other ⟨999, "Unknown", by decide, by decide, by decide⟩)
-- Non-standard status code in the middle
/--
info: "299 Unknown"
-/
#guard_msgs in
#eval encodeStr (Status.other ⟨299, "Unknown", by decide, by decide, by decide⟩)
/-! ## Edge cases: Chunk size hex encoding -/
-- Size 16 → hex "10" (first two-digit hex)
/--
info: "10\x0d\n0123456789abcdef\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "0123456789abcdef".toUTF8)
-- Size 255 → hex "ff": verify prefix
/--
info: true
-/
#guard_msgs in
#eval do
let data := ByteArray.mk (Array.replicate 255 (0x41 : UInt8))
return encodeStr (Chunk.ofByteArray data) |>.startsWith "ff\r\n"
-- Size 256 → hex "100" (first three-digit hex): verify prefix
/--
info: true
-/
#guard_msgs in
#eval do
let data := ByteArray.mk (Array.replicate 256 (0x41 : UInt8))
return encodeStr (Chunk.ofByteArray data) |>.startsWith "100\r\n"
-- Size 15 → hex "f" (largest single hex digit)
/--
info: "f\x0d\n0123456789abcde\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "0123456789abcde".toUTF8)
-- Chunk.ofByteArray with empty data (same as Chunk.empty)
/--
info: "0\x0d\n\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray ByteArray.empty)
/-! ## Edge cases: Chunk extensions -/
-- Extension with no value (None case) via direct struct construction
/--
info: "3;marker\x0d\nabc\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ data := "abc".toUTF8, extensions := #[(Chunk.ExtensionName.mk "marker", none)] } : Chunk)
-- Extension with empty string value (not quoted since "".any returns false)
/--
info: "3;key=\"\"\x0d\nabc\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "abc".toUTF8 |>.insertExtension (Chunk.ExtensionName.mk "key") (.ofString! ""))
-- Extension value that is all token chars (no quoting needed)
/--
info: "3;key=abc123\x0d\nabc\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "abc".toUTF8 |>.insertExtension (Chunk.ExtensionName.mk "key") (.ofString! "abc123"))
-- Extension value with space (must be quoted)
/--
info: "3;key=\"hello world\"\x0d\nabc\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "abc".toUTF8 |>.insertExtension (Chunk.ExtensionName.mk "key") (.ofString! "hello world"))
-- Extension value with backslash (must be escaped)
/--
info: "3;key=\"a\\\\b\"\x0d\nabc\x0d\n"
-/
#guard_msgs in
#eval encodeStr (Chunk.ofByteArray "abc".toUTF8 |>.insertExtension (Chunk.ExtensionName.mk "key") (.ofString! "a\\b"))
-- Multiple extensions with no value and with value
/--
info: "3;a;b=1\x0d\nabc\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ data := "abc".toUTF8, extensions := #[(Chunk.ExtensionName.mk "a", none), (Chunk.ExtensionName.mk "b", some (.ofString! "1"))] } : Chunk)
/-! ## Edge cases: Request URI encoding -/
-- URI with query parameters
/--
info: "GET /search?q=hello&lang=en HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ method := .get, version := .v11, uri := "/search?q=hello&lang=en" } : Request.Head)
-- URI with fragment
/--
info: "GET /page#section HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ method := .get, version := .v11, uri := "/page#section" } : Request.Head)
-- URI with percent-encoded characters
/--
info: "GET /path%20with%20spaces HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ method := .get, version := .v11, uri := "/path%20with%20spaces" } : Request.Head)
-- URI with special characters (brackets, colons)
/--
info: "GET /api/v1/users/[id]:action HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ method := .get, version := .v11, uri := "/api/v1/users/[id]:action" } : Request.Head)
-- Empty URI
/--
info: "GET HTTP/1.1\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ method := .get, version := .v11, uri := "" } : Request.Head)
/-! ## Edge cases: Response with unusual statuses -/
/--
info: "HTTP/1.1 100 Continue\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ status := .«continue», version := .v11 } : Response.Head)
/--
info: "HTTP/1.1 204 No Content\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ status := .noContent, version := .v11 } : Response.Head)
/--
info: "HTTP/1.1 301 Moved Permanently\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ status := .movedPermanently, version := .v11 } : Response.Head)
/--
info: "HTTP/3.0 200 OK\x0d\n"
-/
#guard_msgs in
#eval encodeStr ({ status := .ok, version := .v30 } : Response.Head)
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