W-16772136 - Add test to validate that Avro Unions at root level are …

…invalid

amf-cli/shared/src/test/resources/avro/reports/union-root-invalid.report.js

@@ -0,0 +1,14 @@
+ModelId: file://amf-cli/shared/src/test/resources/avro/schemas/union-root-invalid.json
+Profile: 
+Conforms: false
+Number of results: 1
+
+Level: Violation
+
+- Constraint: http://a.ml/vocabularies/amf/parser#invalid-avro-schema
+  Message: Internal error during Avro validation: Error: unknown type: ["string","int"]
+  Severity: Violation
+  Target: file://amf-cli/shared/src/test/resources/avro/schemas/union-root-invalid.json#/union/simpleUnion
+  Property: 
+  Range: 
+  Location: file://amf-cli/shared/src/test/resources/avro/schemas/union-root-invalid.json

amf-cli/shared/src/test/resources/avro/reports/union-root-invalid.report.jvm

@@ -0,0 +1,14 @@
+ModelId: file://amf-cli/shared/src/test/resources/avro/schemas/union-root-invalid.json
+Profile: 
+Conforms: false
+Number of results: 1
+
+Level: Violation
+
+- Constraint: http://a.ml/vocabularies/amf/parser#invalid-avro-schema
+  Message: No type: {"name":"simpleUnion","type":["string","int"],"default":"something"}
+  Severity: Violation
+  Target: file://amf-cli/shared/src/test/resources/avro/schemas/union-root-invalid.json#/union/simpleUnion
+  Property: 
+  Range: 
+  Location: file://amf-cli/shared/src/test/resources/avro/schemas/union-root-invalid.json

amf-cli/shared/src/test/resources/avro/schemas/union-root-invalid.json

@@ -0,0 +1,5 @@
+{
+  "name": "simpleUnion",
+  "type": [ "string", "int"],
+  "default": "something"
+}

amf-cli/shared/src/test/scala/amf/avro/AvroSchemaValidationTest.scala

@@ -213,6 +213,14 @@ class AvroSchemaValidationTest extends MultiPlatformReportGenTest {
     )
   }
 
+  test("validate union at root level is invalid") {
+    validate(
+      "union-root-invalid.json",
+      Some("union-root-invalid.report"),
+      configOverride = Some(config)
+    )
+  }
+
 
 // TODO We need to see how implement this in with AVRO 1.11.3