feat(example): add public API end-to-end flow

tests/end_to_end.rs

@@ -0,0 +1,27 @@
+use wip_host::CallErrorKind;
+use wip_protocol::{OperationOutcome, ProtocolErrorCategory};
+use wip_public_api_example::{PublishOutcome, run};
+
+#[test]
+fn public_crates_support_the_complete_end_to_end_scenario() {
+    let report = run().unwrap();
+
+    assert_eq!(report.published_interfaces.len(), 2);
+    assert_eq!(report.catalog_descriptor, report.published_interfaces[0]);
+    assert_eq!(report.audit_descriptor, report.published_interfaces[1]);
+    assert_eq!(
+        report.published,
+        PublishOutcome::Published("article-1".into())
+    );
+    assert_eq!(
+        report.rejected,
+        PublishOutcome::Rejected("a title is required".into())
+    );
+    assert_eq!(report.catalog_status, "catalog-ready");
+    assert_eq!(report.audit_status, "audit-ready");
+    assert_eq!(report.host_failure, CallErrorKind::Implementation);
+    assert!(matches!(
+        report.protocol_failure.outcome,
+        OperationOutcome::Failed(error) if error.category == ProtocolErrorCategory::Internal
+    ));
+}