cratestack-parser 0.3.7

Rust-native schema-first framework for typed HTTP APIs, generated clients, and backend services.
Documentation 
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#![cfg(test)]

use super::parse_schema;

#[test]
fn accepts_isolation_attribute_on_procedure() {
    let schema = parse_schema(
        r#"
type TransferInput {
  from Int
  to Int
}

mutation procedure transfer(args: TransferInput): TransferInput
  @isolation("serializable")
"#,
    )
    .expect("procedure with @isolation should parse");

    let attrs = &schema.procedures[0].attributes;
    assert!(
        attrs
            .iter()
            .any(|a| a.raw == "@isolation(\"serializable\")"),
        "expected @isolation in attributes: {attrs:?}",
    );
}

#[test]
fn accepts_isolation_repeatable_read() {
    parse_schema(
        r#"
type Ping {
  nonce String
}

procedure read_only(args: Ping): Ping
  @isolation("repeatable_read")
"#,
    )
    .expect("repeatable_read isolation should parse");
}

#[test]
fn rejects_invalid_isolation_level() {
    let error = parse_schema(
        r#"
type Ping {
  nonce String
}

procedure broken(args: Ping): Ping
  @isolation("snapshot")
"#,
    )
    .expect_err("unknown isolation level should fail");

    assert!(
        error
            .to_string()
            .contains("unknown transaction isolation level"),
        "error: {error}",
    );
}

#[test]
fn rejects_isolation_missing_argument() {
    let error = parse_schema(
        r#"
type Ping {
  nonce String
}

procedure broken(args: Ping): Ping
  @isolation
"#,
    )
    .expect_err("@isolation without args should fail");

    assert!(
        error
            .to_string()
            .contains("@isolation requires a quoted level argument"),
        "error: {error}",
    );
}

#[test]
fn accepts_api_version_and_deprecated_on_procedure() {
    let schema = parse_schema(
        r#"
type Ping {
  nonce String
}

procedure healthcheck(args: Ping): Ping
  @api_version("v1")
  @deprecated("use healthcheck_v2")
"#,
    )
    .expect("procedure with @api_version + @deprecated should parse");

    let attrs = &schema.procedures[0].attributes;
    assert!(
        attrs.iter().any(|a| a.raw == "@api_version(\"v1\")"),
        "expected @api_version: {attrs:?}",
    );
    assert!(
        attrs
            .iter()
            .any(|a| a.raw == "@deprecated(\"use healthcheck_v2\")"),
        "expected @deprecated",
    );
}

#[test]
fn rejects_empty_api_version() {
    let error = parse_schema(
        r#"
type Ping {
  nonce String
}

procedure healthcheck(args: Ping): Ping
  @api_version("")
"#,
    )
    .expect_err("empty @api_version should fail");

    assert!(
        error.to_string().contains("@api_version must not be empty"),
        "error: {error}",
    );
}

#[test]
fn rejects_api_version_with_invalid_characters() {
    let error = parse_schema(
        r#"
type Ping {
  nonce String
}

procedure healthcheck(args: Ping): Ping
  @api_version("v 1")
"#,
    )
    .expect_err("@api_version with space should fail");

    assert!(
        error.to_string().contains("must contain only alphanumeric"),
        "error: {error}",
    );
}

#[test]
fn parses_no_idempotency_attribute_on_procedure() {
    let schema = parse_schema(
        r#"
type Ping {
  nonce String
}

mutation procedure healthcheck(args: Ping): Ping
  @no_idempotency
"#,
    )
    .expect("procedure with @no_idempotency should parse");

    let attrs = &schema.procedures[0].attributes;
    assert!(
        attrs.iter().any(|a| a.raw == "@no_idempotency"),
        "procedure attributes should include @no_idempotency: {:?}",
        attrs,
    );
}