1 files changed, 73 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-core/src/test/java/org/openecomp/core/nosqldb/util/ConfigurationManagerTest.java b/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-core/src/test/java/org/openecomp/core/nosqldb/util/ConfigurationManagerTest.java
new file mode 100644
index 0000000000..f8d5d2dce7
--- /dev/null
+++ b/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-core/src/test/java/org/openecomp/core/nosqldb/util/ConfigurationManagerTest.java
@@ -0,0 +1,73 @@
+package org.openecomp.core.nosqldb.util;
+
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+/**
+ * @author EVITALIY
+ * @since 22 Oct 17
+ */
+public class ConfigurationManagerTest {
+
+    private static final String NON_EXISTENT = "unexistentfile";
+
+    @BeforeMethod
+    public void resetInstance() throws NoSuchFieldException, IllegalAccessException {
+        Field field = ConfigurationManager.class.getDeclaredField("instance");
+        field.setAccessible(true);
+        field.set(null, null);
+    }
+
+    @Test(expectedExceptions = IOException.class,
+            expectedExceptionsMessageRegExp = ".*" + NON_EXISTENT + ".*")
+    public void testGetInstanceSystemProperty() throws Throwable {
+
+        try (ConfigurationSystemPropertyUpdater updater = new ConfigurationSystemPropertyUpdater(NON_EXISTENT)) {
+            ConfigurationManager.getInstance();
+        } catch (RuntimeException e) {
+            Throwable cause = e.getCause();
+            throw cause == null ? e : cause;
+        }
+    }
+
+    @Test()
+    public void testGetInstanceDefault() throws Exception {
+
+        try (ConfigurationSystemPropertyUpdater property = new ConfigurationSystemPropertyUpdater()) {
+            ConfigurationManager manager = ConfigurationManager.getInstance();
+            assertNotNull(manager.getUsername());
+        }
+    }
+
+
+    private static class ConfigurationSystemPropertyUpdater implements Closeable {
+
+        private final String oldValue;
+
+        private ConfigurationSystemPropertyUpdater(String value) {
+            this.oldValue = System.getProperty(ConfigurationManager.CONFIGURATION_YAML_FILE);
+            System.setProperty(ConfigurationManager.CONFIGURATION_YAML_FILE, value);
+        }
+
+        private ConfigurationSystemPropertyUpdater() {
+            this.oldValue = System.getProperty(ConfigurationManager.CONFIGURATION_YAML_FILE);
+            System.clearProperty(ConfigurationManager.CONFIGURATION_YAML_FILE);
+        }
+
+        @Override
+        public void close() throws IOException {
+
+            if (oldValue == null) {
+                System.clearProperty(ConfigurationManager.CONFIGURATION_YAML_FILE);
+            } else {
+                System.setProperty(ConfigurationManager.CONFIGURATION_YAML_FILE, oldValue);
+            }
+        }
+    }
+}
+\ No newline at end of file