From 7ae9816dd0da3e374d9b1153db2b09048b422e6d Mon Sep 17 00:00:00 2001
From: Remigiusz Janeczek <remigiusz.janeczek@nokia.com>
Date: Wed, 9 Oct 2019 11:24:51 +0200
Subject: Add tests for EventValidator

Issue-ID: DCAEGEN2-1819
Change-Id: Ic9f3ea73f8e7e42f5d6e7a821d550823de3f13e7
Signed-off-by: Remigiusz Janeczek <remigiusz.janeczek@nokia.com>
---
 .../org/onap/dcae/restapi/EventValidatorTest.java  | 124 +++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 src/test/java/org/onap/dcae/restapi/EventValidatorTest.java

(limited to 'src/test/java')

diff --git a/src/test/java/org/onap/dcae/restapi/EventValidatorTest.java b/src/test/java/org/onap/dcae/restapi/EventValidatorTest.java
new file mode 100644
index 00000000..5bacd31c
--- /dev/null
+++ b/src/test/java/org/onap/dcae/restapi/EventValidatorTest.java
@@ -0,0 +1,124 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dcaegen2.collectors.ves
+ * ================================================================================
+ * Copyright (C) 2019 Nokia. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcae.restapi;
+
+import com.github.fge.jackson.JsonLoader;
+import com.github.fge.jsonschema.core.exceptions.ProcessingException;
+import com.github.fge.jsonschema.main.JsonSchemaFactory;
+import org.json.JSONObject;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.onap.dcae.ApplicationSettings;
+import org.springframework.http.ResponseEntity;
+
+import java.io.IOException;
+import java.util.Optional;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+public class EventValidatorTest {
+    private static final String DUMMY_SCHEMA_VERSION = "v5";
+    private static final String DUMMY_TYPE = "type";
+
+    private static JSONObject jsonObject;
+
+    @Mock
+    private static ApplicationSettings settings;
+
+    @InjectMocks
+    private static EventValidator sut;
+
+    @BeforeAll
+    static void setupTests(){
+        jsonObject = new JSONObject("{" + DUMMY_TYPE + ":dummy}");
+    }
+
+    @Test
+    public void shouldReturnEmptyOptionalOnJsonSchemaValidationDisabled() {
+        //given
+        when(settings.jsonSchemaValidationEnabled()).thenReturn(false);
+
+        //when
+        Optional<ResponseEntity<String>> result = sut.validate(jsonObject, DUMMY_TYPE, DUMMY_SCHEMA_VERSION);
+
+        //then
+        assertEquals(Optional.empty(), result);
+
+    }
+
+    @Test
+    public void shouldReturnInvalidJsonErrorOnWrongType() {
+        //given
+        when(settings.jsonSchemaValidationEnabled()).thenReturn(true);
+
+        //when
+        Optional<ResponseEntity<String>> result = sut.validate(jsonObject, "wrongType", DUMMY_SCHEMA_VERSION);
+
+        //then
+        assertEquals(generateResponseOptional(ApiException.INVALID_JSON_INPUT), result);
+    }
+
+    @Test
+    public void shouldReturnSchemaValidationFailedErrorOnInvalidJsonObjectSchema() throws ProcessingException, IOException {
+        //given
+        String schemaRejectingEverything = "{\"not\":{}}";
+        mockJsonSchema(schemaRejectingEverything);
+        when(settings.jsonSchemaValidationEnabled()).thenReturn(true);
+
+        //when
+        Optional<ResponseEntity<String>> result = sut.validate(jsonObject, DUMMY_TYPE, DUMMY_SCHEMA_VERSION);
+
+        //then
+        assertEquals(generateResponseOptional(ApiException.SCHEMA_VALIDATION_FAILED), result);
+    }
+
+    @Test
+    public void shouldReturnEmptyOptionalOnValidJsonObjectSchema() throws ProcessingException, IOException {
+        //given
+        String schemaAcceptingEverything = "{}";
+        mockJsonSchema(schemaAcceptingEverything);
+        when(settings.jsonSchemaValidationEnabled()).thenReturn(true);
+
+        //when
+        Optional<ResponseEntity<String>> result = sut.validate(jsonObject, DUMMY_TYPE, DUMMY_SCHEMA_VERSION);
+
+        //then
+        assertEquals(Optional.empty(), result);
+    }
+
+    private void mockJsonSchema(String jsonSchema) throws IOException, ProcessingException {
+        when(settings.jsonSchema(any())).thenReturn(
+                JsonSchemaFactory.byDefault()
+                        .getJsonSchema(JsonLoader.fromString(jsonSchema)));
+    }
+
+    private Optional<ResponseEntity<String>> generateResponseOptional(ApiException schemaValidationFailed) {
+        return Optional.of(ResponseEntity.status(schemaValidationFailed.httpStatusCode)
+                .body(schemaValidationFailed.toJSON().toString()));
+    }
+}
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