[DMAAP-BC] Consolidate bus controller repos

[dmaap/buscontroller.git] / dmaap-bc / src / test / java / org / onap / dmaap / dbcapi / resources / RequiredCheckerTest.java

diff --git a/dmaap-bc/src/test/java/org/onap/dmaap/dbcapi/resources/RequiredCheckerTest.java b/dmaap-bc/src/test/java/org/onap/dmaap/dbcapi/resources/RequiredCheckerTest.java
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+++ b/dmaap-bc/src/test/java/org/onap/dmaap/dbcapi/resources/RequiredCheckerTest.java
@@ -0,0 +1,86 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2019 NOKIA Intellectual Property. 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.dmaap.dbcapi.resources;
+
+import org.hamcrest.BaseMatcher;
+import org.hamcrest.Description;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.onap.dmaap.dbcapi.model.ApiError;
+
+import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
+import static org.junit.Assert.fail;
+
+public class RequiredCheckerTest {
+
+    private static final String NAME = "field_name";
+    @Rule
+    public ExpectedException thrown = ExpectedException.none();
+    private RequiredChecker requiredChecker = new RequiredChecker();
+
+
+    @Test
+    public void required_shouldThrowExceptionWhenObjectIsNull() throws RequiredFieldException {
+        thrown.expect(RequiredFieldException.class);
+        thrown.expect(new ApiErrorMatcher(new ApiError(BAD_REQUEST.getStatusCode(),
+                "missing required field", NAME)));
+
+        requiredChecker.required(NAME, null);
+    }
+
+    @Test
+    public void required_shouldThrowExceptionWhenRegexValidationFailed() throws RequiredFieldException {
+        thrown.expect(RequiredFieldException.class);
+        thrown.expect(new ApiErrorMatcher(new ApiError(BAD_REQUEST.getStatusCode(),
+                "value 'with white space' violates regexp check '^\\S+$'", NAME)));
+
+        requiredChecker.required(NAME, "with white space", "^\\S+$");
+    }
+
+    @Test
+    public void required_shouldPassValidation() {
+        try {
+            requiredChecker.required(NAME, "value", "^\\S+$");
+        } catch (RequiredFieldException e) {
+            fail("No exception should be thrown");
+        }
+    }
+
+    class ApiErrorMatcher extends BaseMatcher {
+
+        private final ApiError expectedApiEror;
+
+        ApiErrorMatcher(ApiError expectedApiEror) {
+            this.expectedApiEror = expectedApiEror;
+        }
+
+        @Override
+        public boolean matches(Object exception) {
+            return expectedApiEror.equals(((RequiredFieldException) exception).getApiError());
+        }
+
+        @Override
+        public void describeTo(Description description) {
+            description.appendText("Following ApiError is expected: ").appendValue(expectedApiEror);
+        }
+    }
+}
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