1 files changed, 109 insertions, 0 deletions
diff --git a/intl/l10n/rust/l10nregistry-rs/tests/scenarios_async.rs b/intl/l10n/rust/l10nregistry-rs/tests/scenarios_async.rs
new file mode 100644
index 0000000000..839cd4b3d8
--- /dev/null
+++ b/intl/l10n/rust/l10nregistry-rs/tests/scenarios_async.rs
@@ -0,0 +1,109 @@
+use fluent_bundle::FluentArgs;
+use fluent_fallback::Localization;
+use fluent_testing::get_scenarios;
+use l10nregistry::fluent::FluentBundle;
+use l10nregistry::registry::BundleAdapter;
+use l10nregistry::testing::{RegistrySetup, TestFileFetcher};
+
+#[derive(Clone)]
+struct ScenarioBundleAdapter {}
+
+impl BundleAdapter for ScenarioBundleAdapter {
+    fn adapt_bundle(&self, bundle: &mut FluentBundle) {
+        bundle.set_use_isolating(false);
+        bundle
+            .add_function("PLATFORM", |_positional, _named| "linux".into())
+            .expect("Failed to add a function to the bundle.");
+    }
+}
+
+#[tokio::test]
+async fn scenarios_async() {
+    use fluent_testing::scenarios::structs::Scenario;
+    let fetcher = TestFileFetcher::new();
+
+    let scenarios = get_scenarios();
+
+    let adapter = ScenarioBundleAdapter {};
+
+    let cannot_produce_bundle = |scenario: &Scenario| {
+        scenario
+            .queries
+            .iter()
+            .any(|query| query.exceptional_context.blocks_bundle_generation())
+    };
+
+    for scenario in scenarios {
+        println!("scenario: {}", scenario.name);
+        let setup: RegistrySetup = (&scenario).into();
+        let (env, reg) = fetcher.get_registry_and_environment_with_adapter(setup, adapter.clone());
+
+        let loc = Localization::with_env(scenario.res_ids.clone(), false, env.clone(), reg);
+        let bundles = loc.bundles();
+        let no_bundles = cannot_produce_bundle(&scenario);
+
+        let mut errors = vec![];
+
+        for query in scenario.queries.iter() {
+            let errors_start_len = errors.len();
+
+            let args = query.input.args.as_ref().map(|args| {
+                let mut result = FluentArgs::new();
+                for arg in args.as_slice() {
+                    result.set(arg.id.clone(), arg.value.clone());
+                }
+                result
+            });
+
+            if let Some(output) = &query.output {
+                if let Some(value) = &output.value {
+                    let v = bundles
+                        .format_value(&query.input.id, args.as_ref(), &mut errors)
+                        .await;
+                    if no_bundles || query.exceptional_context.causes_failed_value_lookup() {
+                        assert!(v.is_none());
+                        if no_bundles {
+                            continue;
+                        }
+                    } else {
+                        assert_eq!(v.unwrap(), value.as_str())
+                    }
+                }
+            }
+
+            if query.exceptional_context.causes_reported_format_error() {
+                assert!(
+                    errors.len() > errors_start_len,
+                    "expected reported errors for query {:#?}",
+                    query
+                );
+            } else {
+                assert_eq!(
+                    errors.len(),
+                    errors_start_len,
+                    "expected no reported errors for query {:#?}",
+                    query
+                );
+            }
+        }
+
+        if scenario
+            .queries
+            .iter()
+            .any(|query| query.exceptional_context.missing_required_resource())
+        {
+            assert!(
+                !env.errors().is_empty(),
+                "expected errors for scenario {{ {} }}, but found none",
+                scenario.name
+            );
+        } else {
+            assert!(
+                env.errors().is_empty(),
+                "expected no errors for scenario {{ {} }}, but found {:#?}",
+                scenario.name,
+                env.errors()
+            );
+        }
+    }
+}