Initial Dever 0.0.1
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@@ -0,0 +1,442 @@
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use super::package::packages;
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#[test]
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fn fixed_wire_budget_proof_retains_dynamic_checks_at_schema_limits() {
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for (levels, fields, input_fixed, output_fixed) in [
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(63, 1, true, true),
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(64, 1, false, false),
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(14, 2, true, true),
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(15, 2, true, false),
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(16, 2, false, false),
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] {
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let mut app = String::new();
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let mut kind = "Int".to_owned();
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for level in 0..levels {
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let members = if fields == 1 {
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format!("value: {kind}")
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} else {
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format!("first: {kind}\nsecond: {kind}")
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};
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app.push_str(&format!("type Layer{level} {{ {members} }}\n"));
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kind = format!("Layer{level}");
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}
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app.push_str(&format!(
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"run(value: {kind}) (answer: {kind}) {{ answer = value }}"
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));
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let program = packages(&[
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("shop.account.app", &app),
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(
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"shop.account.api",
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"cmd run = app.run\npublic post run = app.run",
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),
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])
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.unwrap();
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let emitted = dever::compiler::emit::application::generate(&program);
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assert_eq!(
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emitted.contains("wire::decode_fixed(input)"),
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input_fixed,
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"{levels}/{fields}"
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);
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assert_eq!(
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emitted.contains("input.decode(dever_runtime::wire::decode_fixed)"),
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input_fixed,
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"HTTP {levels}/{fields}"
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);
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assert_eq!(
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emitted.matches("wire::response_fixed(&result)").count(),
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usize::from(output_fixed),
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"{levels}/{fields}"
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);
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assert_eq!(
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emitted.contains("wire::response_fixed_bytes(&result)"),
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output_fixed,
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"HTTP {levels}/{fields}"
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);
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}
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for (kind, decoder, encoder) in [
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("List<Int>", "decode_shaped", "response"),
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("Json", "decode_json", "response_with"),
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("List<Json>", "decode", "response_with"),
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("List<Text>?", "decode_shaped", "response"),
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] {
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let app = format!("run(value: {kind}) (answer: {kind}) {{ answer = value }}");
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let program = packages(&[
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("shop.account.app", &app),
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(
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"shop.account.api",
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"cmd run = app.run\npublic post run = app.run",
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),
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])
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.unwrap();
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let emitted = dever::compiler::emit::application::generate(&program);
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if decoder == "decode_json" {
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assert!(emitted.contains("let args: Args0 = decode_args0(input)?;"));
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assert!(emitted.contains("input.decode(decode_httpargs0)"));
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assert_eq!(emitted.matches("wire::decode_json(input,").count(), 2);
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assert_eq!(
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emitted.contains("wire::decode(input)"),
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kind == "List<Json>"
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);
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} else {
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assert!(!emitted.contains("wire::decode_json("));
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assert!(
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emitted.contains(&format!("wire::{decoder}(input)")),
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"{kind}"
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);
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assert!(
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emitted.contains(&format!("input.decode(dever_runtime::wire::{decoder})")),
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"{kind}"
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);
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}
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assert!(emitted.contains(&format!("wire::{encoder}(")), "{kind}");
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}
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}
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#[test]
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fn json_input_budget_includes_fixed_records_and_optional_json() {
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let program = packages(&[
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(
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"shop.account.app",
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"type Row { payload: Json?\nnote: Text? }\nrun(row: Row?, other: Json, label: Text) (answer: Row?, extra: Json, name: Text) { answer = row\nextra = other\nname = label }",
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),
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(
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"shop.account.api",
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"cmd run = app.run\npublic post run = app.run",
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),
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])
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.unwrap();
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let generated = dever::compiler::emit::application::generate(&program);
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assert_eq!(generated.matches("wire::decode_json(input,").count(), 2);
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assert!(generated.contains("budget.open()?; budget.value(3)?;"));
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assert!(generated.contains("budget.open()?; budget.value(2)?;"));
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assert!(generated.contains("if let Some(item) = (&(args).field0).as_ref()"));
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assert!(generated.contains("budget.json(item)?;"));
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assert!(generated.contains("budget.json(&(args).field1)?;"));
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assert!(!generated.contains("Json::from_validated_raw"));
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assert!(!generated.contains("Json::deserialize_validated"));
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}
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#[test]
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fn json_input_with_any_typed_list_keeps_whole_input_validation() {
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for kind in ["List<Int>", "List<Json>", "List<Json?>?"] {
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for nested in [false, true] {
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let (definition, kind) = if nested {
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(format!("type Row {{ values: {kind} }}\n"), "Row?")
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} else {
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(String::new(), kind)
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};
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let app = format!(
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"{definition}run(payload: Json, other: {kind}) (answer: Json, extra: {kind}) {{ answer = payload\nextra = other }}"
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);
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let program = packages(&[
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("shop.account.app", &app),
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(
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"shop.account.api",
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"cmd run = app.run\npublic post run = app.run",
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),
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])
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.unwrap();
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let generated = dever::compiler::emit::application::generate(&program);
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assert!(generated.contains("let args: Args0 = dever_runtime::wire::decode(input)?;"));
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assert!(generated.contains("input.decode(dever_runtime::wire::decode)"));
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assert!(!generated.contains("wire::decode_json("));
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assert!(!generated.contains("budget."));
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}
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}
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}
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#[test]
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fn variable_wire_depth_is_proved_before_skipping_validation() {
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for (levels, decoder) in [(63, "decode_shaped"), (64, "decode")] {
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let kind = format!("{}Int{}", "List<".repeat(levels), ">".repeat(levels));
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let app = format!("run(value: {kind}) (answer: Int) {{ answer = length(value) }}");
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let program = packages(&[
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("shop.account.app", &app),
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(
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"shop.account.api",
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"cmd run = app.run\npublic post run = app.run",
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),
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])
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.unwrap();
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let emitted = dever::compiler::emit::application::generate(&program);
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assert!(
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emitted.contains(&format!("wire::{decoder}(input)")),
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"{levels}"
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);
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assert!(
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emitted.contains(&format!("input.decode(dever_runtime::wire::{decoder})")),
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"{levels}"
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);
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}
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}
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#[test]
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fn http_entries_bind_typed_apps_and_keep_protected_entries_closed() {
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assert!(packages(&[("main", "get(value: Int) (answer: Int) { answer = value }")]).is_ok());
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let app = "echo(value: Int) (answer: Int) { answer = value }";
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let program = packages(&[
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("shop.account.app", app),
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(
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"shop.account.api.admin.session",
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"public get status = app.echo",
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),
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])
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.unwrap();
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assert_eq!(program.http[0].path, "/shop/account/admin/session/status");
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assert_eq!(program.http[0].topic, "admin/session");
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assert_eq!(program.http[0].method, "GET");
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for (declaration, code) in [
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("get status = app.echo", "C014"),
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("authenticated get status = app.echo", "C014"),
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(
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"public get status = app.echo\npublic get status = app.echo",
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"C002",
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),
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("public get status = other.echo", "C006"),
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] {
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assert_eq!(
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packages(&[("shop.account.app", app), ("shop.account.api", declaration)])
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.unwrap_err()
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.code,
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code
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);
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}
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assert_eq!(
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packages(&[
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(
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"shop.account.app",
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"echo(value: List<Int>) (answer: List<Int>) { answer = value }"
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),
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("shop.account.api", "public get status = app.echo")
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])
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.unwrap_err()
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.code,
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"C005"
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);
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}
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#[test]
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fn command_wire_rejects_nested_constrained_records() {
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for kind in ["Port", "List<Port?>", "Envelope"] {
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let app = format!(
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"type Port {{ value: Int >= 1 }}\ntype Envelope {{ ports: List<Port?> }}\nrun(value: {kind}) (answer: {kind}) {{ answer = value }}"
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);
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assert_eq!(
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packages(&[
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("shop.account.app", &app),
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("shop.account.api", "cmd run = app.run")
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])
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.unwrap_err()
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.code,
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"C011"
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);
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}
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}
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#[test]
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fn application_topics_share_app_contracts_and_domain_dependencies() {
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let program = packages(&[
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("shop.account.app.read", "type User { name: Text }\nread(name: Text) (answer: User) { answer = User { name = domain.label(name) } }"),
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("shop.account.app.write", "echo(user: User) (answer: User) { answer = user }"),
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("shop.account.domain", "label(name: Text) (answer: Text) { answer = name + \"!\" }"),
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("shop.account.api", "cmd read = app.read\ncmd echo = app.echo"),
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]).unwrap();
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assert_eq!(program.commands.len(), 2);
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assert_eq!(program.commands[0].name, "shop.account.read");
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assert!(
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program
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.functions
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.iter()
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.any(|function| function.signature.name == "label")
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);
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}
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#[test]
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fn private_app_fields_share_topic_ownership_and_reject_other_domains() {
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let declaration = "type Session { private key: Text\nlabel: Text }";
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assert!(packages(&[
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("shop.account.app.types", declaration),
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("shop.account.app.write", "make(key: Text) (answer: Session) { answer = Session { key = key, label = \"name\" } }"),
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("shop.account.app.read", "read(value: Session) (answer: Text) { value.key = value.key + \"!\"\nanswer = value.key }"),
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]).is_ok());
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for operation in [
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"answer = value.key",
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"value.key = \"changed\"\nanswer = value.label",
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"value = shop.account.Session { key = \"hidden\", label = \"name\" }\nanswer = value.label",
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] {
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let caller = format!("read(value: shop.account.Session) (answer: Text) {{ {operation} }}");
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assert_eq!(
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packages(&[
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("shop.account.app", declaration),
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("shop.other.app", &caller)
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])
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.unwrap_err()
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.code,
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"C006"
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);
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}
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}
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#[test]
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fn command_wire_rejects_nested_private_records_in_both_directions() {
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for kind in ["Session", "List<Session?>", "Envelope"] {
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for function in [
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format!("run(value: {kind}) () {{}}"),
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format!("run(value: {kind}) (answer: {kind}) {{ answer = value }}"),
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] {
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let app = format!(
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"type Session {{ private key: Text }}\ntype Envelope {{ sessions: List<Session?> }}\n{function}"
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);
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let error = packages(&[
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("shop.account.app", &app),
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("shop.account.api", "cmd run = app.run"),
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])
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.unwrap_err();
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assert_eq!(error.code, "C006", "{error:?}");
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assert!(error.message.contains("wire boundary"), "{error:?}");
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}
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}
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let app = "type Session { private key: Text }\nrun() (answer: Session) { answer = Session { key = \"hidden\" } }";
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assert_eq!(
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packages(&[
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("shop.account.app", app),
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("shop.account.api", "cmd run = app.run")
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])
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.unwrap_err()
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.code,
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"C006"
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);
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}
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#[test]
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fn application_role_access_cannot_be_bypassed_with_qualified_names() {
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for (source, target) in [
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("shop.first.domain", "shop.second.run"),
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("shop.first.domain", "app.run"),
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("shop.first.app", "shop.second.domain.hidden"),
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] {
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let caller = format!("entry() (answer: Int) {{ answer = {target}() }}");
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let result = packages(&[
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(source, &caller),
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("shop.first.app.extra", "run() (answer: Int) { answer = 1 }"),
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("shop.second.app", "run() (answer: Int) { answer = 2 }"),
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(
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"shop.second.domain",
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"hidden() (answer: Int) { answer = 3 }",
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),
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]);
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assert_eq!(result.unwrap_err().code, "C006", "{source}: {target}");
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}
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assert_eq!(
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packages(&[
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("shop.account.app", "type Visible { secret: domain.Hidden }"),
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("shop.account.domain", "type Hidden { value: Int }"),
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])
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.unwrap_err()
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.code,
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"C006"
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);
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assert_eq!(
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packages(&[("shop.account.app", "public run() () {}")])
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.unwrap_err()
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.code,
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"C006"
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);
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assert_eq!(
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packages(&[("shop.account.api", "run() () {}")])
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.unwrap_err()
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.code,
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"C006"
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);
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assert_eq!(
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packages(&[("main", "cmd run = app.run")]).unwrap_err().code,
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"C006"
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);
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}
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#[test]
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fn command_secret_inputs_use_the_existing_input_codec_without_output_access() {
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for kind in ["Secret", "Secret?", "List<Secret>"] {
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let app = format!("run(value: {kind}) (answer: Bool) {{ answer = true }}");
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assert!(
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packages(&[
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("shop.account.app", &app),
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("shop.account.api", "cmd run = app.run")
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])
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.is_ok()
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);
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let leaking = format!("run(value: {kind}) (answer: {kind}) {{ answer = value }}");
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assert!(
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packages(&[
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("shop.account.app", &leaking),
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("shop.account.api", "cmd run = app.run")
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])
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.is_err()
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);
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}
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}
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#[test]
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fn commands_reject_ambiguous_targets_and_invalid_wire_contracts() {
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for app in [
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"run() () {}\nrun(value: Int) () {}",
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"run(action: handler() ()) () { action() }",
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"type State { Ready(value: Int) }\nrun(value: State) (answer: State) { answer = value }",
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"type State { Ready\n error Failed }\nrun(value: State) (answer: State) { answer = value }",
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] {
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assert_eq!(
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packages(&[
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("shop.account.app", app),
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("shop.account.api", "cmd run = app.run")
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])
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.unwrap_err()
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.code,
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"C005"
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);
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}
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assert_eq!(
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packages(&[
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("shop.account.app", "run() () {}"),
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("shop.account.api", "cmd run = app.run\ncmd run = app.run"),
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])
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.unwrap_err()
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.code,
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"C002"
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);
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assert_eq!(
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packages(&[
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("shop.account.app", "run() () {}"),
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("shop.account.api", "cmd run = shop.account.run"),
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])
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.unwrap_err()
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.code,
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"C006"
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);
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}
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#[test]
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fn application_entry_reachability_and_domain_cycles_are_checked() {
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assert_eq!(
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packages(&[
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("shop.account.app", "run() () {}\nunused() () {}"),
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("shop.account.api", "cmd run = app.run"),
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])
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.unwrap_err()
|
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.code,
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"C016"
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);
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assert_eq!(packages(&[
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("shop.first.app", "run() (answer: Int) { answer = second.read() }\nread() (answer: Int) { answer = 1 }"),
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("shop.second.app", "read() (answer: Int) { answer = first.read() }"),
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("shop.first.api", "cmd run = app.run"),
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]).unwrap_err().code, "C007");
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assert_eq!(
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packages(&[
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("shop.account.app.read", "run() () {}"),
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("shop.account.app.write", "run() () {}"),
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])
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.unwrap_err()
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.code,
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"C013"
|
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);
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||||
}
|
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