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reworked http functions #206

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Merged
raphael-goetz merged 4 commits into from
May 31, 2026
Merged

reworked http functions #206

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c32f09d
feat: new reworked http functions
raphael-goetz May 31, 2026
c880732
feat: adjusted tests to new agrument signature of http functions
raphael-goetz May 31, 2026
f036da1
fix: correct arg count
raphael-goetz May 31, 2026
34f4e0a
fix: removed dropped functions from tests
raphael-goetz May 31, 2026
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199 changes: 21 additions & 178 deletions crates/taurus-core/src/runtime/functions/http.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,9 +19,7 @@ use ureq::http;
use ureq::{Body, RequestExt};

pub(crate) const FUNCTIONS: &[FunctionRegistration] = &[
FunctionRegistration::eager("http::request::create", create_request, 4),
FunctionRegistration::eager("http::request::send", send_request, 1),
FunctionRegistration::eager("http::response::create", create_response, 3),
FunctionRegistration::eager("rest::control::respond", respond, 1),
];

Expand All @@ -34,81 +32,20 @@ fn respond(
_ctx: &mut ValueStore,
_run: &mut crate::handler::registry::ThunkRunner<'_>,
) -> Signal {
args!(args => struct_val: Struct);

let fields = &struct_val.fields;

let Some(headers_val) = fields.get("headers") else {
return Signal::Failure(RuntimeError::new(
"T-STD-00001",
"InvalidArgumentRuntimeError",
"Missing 'headers' field".to_string(),
));
};

let Some(status_code_val) = fields.get("http_status_code") else {
return fail(
"InvalidArgumentRuntimeError",
"Missing 'http_status_code' field",
);
};

let Some(payload_val) = fields.get("payload") else {
return Signal::Failure(RuntimeError::new(
"T-STD-00001",
"InvalidArgumentRuntimeError",
"Missing 'payload' field".to_string(),
));
};

let Some(Kind::StructValue(_headers_struct)) = &headers_val.kind else {
return fail(
"InvalidArgumentRuntimeError",
"Expected 'headers' to be StructValue",
);
};

let Some(Kind::NumberValue(_status_code_str)) = &status_code_val.kind else {
return Signal::Failure(RuntimeError::new(
"T-STD-00001",
"InvalidArgumentRuntimeError",
"Expected 'status_code' to be NumberValue".to_string(),
));
};

let Some(_payload_kind) = &payload_val.kind else {
return Signal::Failure(RuntimeError::new(
"T-STD-00001",
"InvalidArgumentRuntimeError",
"Expected 'payload' to have a value".to_string(),
));
};

// `Respond` is a control signal; the executor can still continue with `next` if present.
Signal::Respond(Value {
kind: Some(Kind::StructValue(struct_val.clone())),
})
}

fn create_request(
args: &[Argument],
_ctx: &mut ValueStore,
_run: &mut crate::handler::registry::ThunkRunner<'_>,
) -> Signal {
args!(args => http_method: String, headers: Struct, http_url: String, payload: Value);
let mut fields = std::collections::HashMap::new();
args!(args => http_status_code: i64, headers: Struct, payload: Value);

fields.insert(String::from("http_method"), http_method.to_value());
fields.insert(String::from("url"), http_url.to_value());
fields.insert(String::from("payload"), payload.clone());
let mut fields = HashMap::new();
fields.insert("http_status_code".to_string(), http_status_code.to_value());
fields.insert(
String::from("headers"),
"headers".to_string(),
Value {
kind: Some(Kind::StructValue(headers.clone())),
kind: Some(Kind::StructValue(headers)),
},
);
fields.insert("payload".to_string(), payload);

Signal::Success(Value {
// `Respond` is a control signal; the executor can still continue with `next` if present.
Signal::Respond(Value {
kind: Some(Kind::StructValue(Struct { fields })),
})
}
Expand All @@ -118,31 +55,9 @@ fn send_request(
_ctx: &mut ValueStore,
_run: &mut crate::handler::registry::ThunkRunner<'_>,
) -> Signal {
args!(args => http_request: Struct);

let method = match expect_struct_string_field(&http_request, "http_method") {
Ok(value) => value,
Err(signal) => return signal,
};
let url = match expect_struct_string_field(&http_request, "url") {
Ok(value) => value,
Err(signal) => return signal,
};
let headers_struct = match expect_struct_struct_field(&http_request, "headers") {
Ok(value) => value,
Err(signal) => return signal,
};
let payload = match http_request.fields.get("payload") {
Some(value) => value.clone(),
None => {
return fail(
"InvalidArgumentRuntimeError",
"Missing 'payload' field in http_request",
);
}
};
args!(args => http_method: String, headers: Struct, http_url: String, payload: Value);

let mut headers = match encode_headers(&headers_struct) {
let mut headers = match encode_headers(&headers) {
Ok(headers) => headers,
Err(message) => return fail("InvalidArgumentRuntimeError", message),
};
Expand All @@ -160,17 +75,17 @@ fn send_request(
headers.insert("content-type".to_string(), default_content_type.to_string());
}

let http_method = match http::Method::from_bytes(method.as_bytes()) {
let http_method = match http::Method::from_bytes(http_method.as_bytes()) {
Ok(value) => value,
Err(_) => {
return fail(
"InvalidArgumentRuntimeError",
format!("Invalid HTTP method '{}'", method),
format!("Invalid HTTP method '{}'", http_method),
);
}
};

let mut request_builder = http::Request::builder().method(http_method).uri(&url);
let mut request_builder = http::Request::builder().method(http_method).uri(&http_url);
for (name, value) in &headers {
request_builder = request_builder.header(name, value);
}
Expand Down Expand Up @@ -244,66 +159,6 @@ fn send_request(
})
}

fn create_response(
args: &[Argument],
_ctx: &mut ValueStore,
_run: &mut crate::handler::registry::ThunkRunner<'_>,
) -> Signal {
args!(args => http_status_code: i64, headers: Struct, payload: Value);
let mut fields = std::collections::HashMap::new();

fields.insert(
String::from("http_status_code"),
http_status_code.to_value(),
);
fields.insert(String::from("payload"), payload.clone());

fields.insert(
String::from("headers"),
Value {
kind: Some(Kind::StructValue(headers.clone())),
},
);

Signal::Success(Value {
kind: Some(Kind::StructValue(Struct { fields })),
})
}

fn expect_struct_string_field(struct_val: &Struct, field: &str) -> Result<String, Signal> {
let Some(value) = struct_val.fields.get(field) else {
return Err(fail(
"InvalidArgumentRuntimeError",
format!("Missing '{}' field in http_request", field),
));
};

match &value.kind {
Some(Kind::StringValue(str_val)) => Ok(str_val.clone()),
_ => Err(fail(
"InvalidArgumentRuntimeError",
format!("Expected '{}' to be StringValue", field),
)),
}
}

fn expect_struct_struct_field(struct_val: &Struct, field: &str) -> Result<Struct, Signal> {
let Some(value) = struct_val.fields.get(field) else {
return Err(fail(
"InvalidArgumentRuntimeError",
format!("Missing '{}' field in http_request", field),
));
};

match &value.kind {
Some(Kind::StructValue(struct_val)) => Ok(struct_val.clone()),
_ => Err(fail(
"InvalidArgumentRuntimeError",
format!("Expected '{}' to be StructValue", field),
)),
}
}

fn encode_headers(headers: &Struct) -> Result<HashMap<String, String>, String> {
let mut out = HashMap::with_capacity(headers.fields.len());
for (name, value) in &headers.fields {
Expand Down Expand Up @@ -710,26 +565,14 @@ mod tests {
let request_headers = Struct {
fields: HashMap::from([("x-bool".to_string(), true.to_value())]),
};
let request = Struct {
fields: HashMap::from([
("http_method".to_string(), string_value("POST")),
(
"url".to_string(),
string_value(&format!("http://{}/echo?x=1", addr)),
),
(
"headers".to_string(),
Value {
kind: Some(Kind::StructValue(request_headers)),
},
),
("payload".to_string(), request_payload),
]),
};

let args = vec![Argument::Eval(Value {
kind: Some(Kind::StructValue(request)),
})];
let args = vec![
Argument::Eval(string_value("POST")),
Argument::Eval(Value {
kind: Some(Kind::StructValue(request_headers)),
}),
Argument::Eval(string_value(&format!("http://{}/echo?x=1", addr))),
Argument::Eval(request_payload),
];
let mut ctx = ValueStore::default();
let mut run = |_: &crate::handler::argument::Thunk, _: &mut ValueStore| Signal::Stop;

Expand Down
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