Removed support of dynamic configuration

Configuration framework will not poll configuration
for changes, and will not notify client code of them.
Also minor cleanup, added unit tests.

Change-Id: I428b23f7acb13c6610390f46aae6e011d6b0ee80
Issue-ID: SDC-1867
Signed-off-by: vempo <vitaliy.emporopulo@amdocs.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/common/onap-common-configuration-management/onap-configuration-management-api/src/test/java/org/onap/config/api/ConfigurationTest.java b/common/onap-common-configuration-management/onap-configuration-management-api/src/test/java/org/onap/config/api/ConfigurationTest.java
new file mode 100644
index 0000000000..9945a938d3
--- /dev/null
+++ b/common/onap-common-configuration-management/onap-configuration-management-api/src/test/java/org/onap/config/api/ConfigurationTest.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * 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.
+ */
+
+package org.onap.config.api;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * @author evitaliy
+ * @since 28 Oct 2018
+ */
+public class ConfigurationTest {
+
+    @After
+    public void cleanUp() {
+        Configuration.TENANT.remove();
+    }
+
+    @Test
+    public void tenantRetrievedWhenPreviouslySet() {
+        final String tenantId = "abc";
+        Configuration.setTenantId(tenantId);
+        Assert.assertEquals(tenantId, Configuration.TENANT.get());
+    }
+
+    @Test
+    public void tenantEmptyWhenNeverSet() {
+        Assert.assertNull(Configuration.TENANT.get());
+    }
+
+    @Test
+    public void tenantNullWhenNullSet() {
+        Configuration.setTenantId("xyz");
+        Configuration.setTenantId(null);
+        Assert.assertNull(Configuration.TENANT.get());
+    }
+
+    @Test
+    public void tenantNullWhenEmptySet() {
+        Configuration.setTenantId("xyz");
+        Configuration.setTenantId("");
+        Assert.assertNull(Configuration.TENANT.get());
+    }
+
+    @Test
+    public void tenantDoesNotPropagateToAnotherThread() throws ExecutionException, InterruptedException {
+        final String currentTenant = "xyz";
+        Configuration.setTenantId(currentTenant);
+        CompletableFuture<String> result = new CompletableFuture<>();
+        Thread otherThread = new Thread(() -> result.complete(Configuration.TENANT.get()));
+        otherThread.start();
+        Assert.assertNull("Tenant in the other thread expected to be null", result.get());
+        Assert.assertEquals(currentTenant, Configuration.TENANT.get());
+    }
+}
\ No newline at end of file