Ryth Azhur
3aafec6dd4
The IR called them react-message and django-message, so a FastAPI channel had to declare a DjangoMessage. They are client-message and server-message now, and the direction words hold wherever a channel is declared: Params / ClientMessage / ServerMessage, with mizan-core deriving <Pascal>Params and friends so no backend names a type itself. Django's ReactChannel and FastAPI's ReactChannel are both Channel. mizan-fastapi never registered a channels extension, so build_ir() emitted no channel at all and every payload type was invisible to codegen. It registers one now. RegistryExtension is an ABC requiring all(), which is what the IR reads — an extension that cannot enumerate its registrations no longer exists. The gate that should have caught the rename could not: tests/afi registered no channel because mizan-rust had no channel registry to register one in, so a five-package rename of the wire contract passed byte-parity without a channel byte crossing it. mizan-rust grows ChannelSlotKind, a CHANNELS slice, a #[mizan::channel] macro, and KDL emission whose wire_to_pascal matches Python's split; the AFI fixture now carries a channel with every slot and one with a single slot, so all three backends prove the contract byte for byte. MizanChannel held three Option<String> beside three has_*() predicates and unwrapped them with defaults; it holds an ordered slot vector, so an absent slot is absent rather than defaulted. The channels target emitted a React hooks file that a stage1-only consumer could not compile — react emits that now. The codegen's parity tests byte-compared emitted source against baselines without ever compiling it: they compile the generated crate and run its tests, import the generated Python package and call every method, and typecheck each TypeScript target against a consumer. Also fixed at source: app_visitor printed its import diagnostic to stdout, the stream export_mizan_ir writes KDL to, so a failed import silently corrupted the IR; the apps root was hardcoded to "apps"; _default_literal crashed build_ir on any non-JSON-serializable field default; Django and mizan-core derived Pascal names two different ways, disagreeing on every dotted channel name. ir.py builds a document and renders templates/ir/document.kdl.j2 rather than appending KDL strings with hand-tracked indentation, and named types resolve to a fixed point — a model reachable only through a union branch was referenced by a ref that no type block ever defined. The rest is the write-gate's own classifiers run over the standing tree: relative imports, silent swallows, Protocol contracts that should be ABCs, emitters hand-rendering target source, catch-all arms over closed enums, and comments narrating the project rather than the code. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
98 lines
3.1 KiB
Rust
98 lines
3.1 KiB
Rust
//! Consumer of the generated crate, compiled and run by `cargo test` inside
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//! that crate. Every path, signature and re-export named here has to resolve
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//! for the file to build at all.
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use fixture_client::contexts::user::{fetch_user_context, UserContextData, UserContextParams};
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use fixture_client::functions::echo::call_echo;
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use fixture_client::functions::find_user::call_find_user;
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use fixture_client::functions::rename_user::call_rename_user;
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use fixture_client::functions::whoami::call_whoami;
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use fixture_client::mutations::update_profile::call_update_profile;
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use fixture_client::types::{
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EchoInput, EchoOutput, FindUserInput, FindUserOutput, OrderOutput, RenameUserInput,
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RenameUserOutput, UpdateProfileInput, UpdateProfileOutput, UserOrdersOutput,
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UserProfileOutput, WhoamiOutput,
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};
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use fixture_client::{MizanClient, MizanConfig, MizanError};
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async fn every_generated_entry_point(client: &MizanClient) -> Result<(), MizanError> {
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let echoed: EchoOutput = call_echo(
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client,
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&EchoInput { text: "hello".to_string() },
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).await?;
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let identity: WhoamiOutput = call_whoami(client).await?;
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let found: Option<FindUserOutput> = call_find_user(
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client,
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&FindUserInput { user_id: 1 },
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).await?;
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let renamed: RenameUserOutput = call_rename_user(
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client,
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&RenameUserInput { user_id: 1, name: "renamed".to_string() },
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).await?;
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let updated: UpdateProfileOutput = call_update_profile(
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client,
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&UpdateProfileInput { user_id: 1, name: "renamed".to_string() },
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).await?;
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let bundle: UserContextData = fetch_user_context(
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client,
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&UserContextParams { user_id: 1 },
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).await?;
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let orders: UserOrdersOutput = bundle.user_orders;
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let profile: UserProfileOutput = bundle.user_profile;
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println!(
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"{} {} {} {} {} {} {}",
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echoed.message,
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identity.authenticated,
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found.is_some(),
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renamed.name,
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updated.ok,
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orders.len(),
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profile.name,
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);
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Ok(())
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}
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#[test]
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fn generated_entry_points_build_a_callable_future() {
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let client = MizanClient::new(MizanConfig {
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base_url: "http://127.0.0.1:9/api/mizan".to_string(),
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session: false,
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..MizanConfig::default()
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});
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drop(every_generated_entry_point(&client));
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}
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#[test]
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fn generated_types_decode_the_wire_shape() {
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let raw = r#"{
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"user_orders": [{"id": 7, "user_id": 1, "total": 42}],
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"user_profile": {"user_id": 1, "name": "ryth"}
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}"#;
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let bundle: UserContextData = serde_json::from_str(raw).expect("context bundle decodes");
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assert_eq!(bundle.user_profile.user_id, 1);
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assert_eq!(bundle.user_profile.name, "ryth");
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assert_eq!(bundle.user_orders.len(), 1);
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let order: &OrderOutput = &bundle.user_orders[0];
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assert_eq!(order.id, 7);
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assert_eq!(order.total, 42);
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let echoed: EchoOutput =
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serde_json::from_str(r#"{"message": "hi"}"#).expect("echo output decodes");
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assert_eq!(echoed.message, "hi");
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let encoded = serde_json::to_string(&EchoInput { text: "hi".to_string() })
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.expect("echo input encodes");
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assert_eq!(encoded, r#"{"text":"hi"}"#);
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}
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