Added some tools for DCAE CBS removal

Issue-ID: HOLMES-488
Signed-off-by: Guangrong Fu <fu.guangrong@zte.com.cn>
Change-Id: I7834ee58ae9be6d502b5160897f3ed8c2ee46838

4 files changed, 108 insertions, 0 deletions

diff --git a/holmes-actions/src/test/java/org/onap/holmes/common/ConfigFileScannerTest.java b/holmes-actions/src/test/java/org/onap/holmes/common/ConfigFileScannerTest.java
new file mode 100644
index 0000000..4778ec4
--- /dev/null
+++ b/holmes-actions/src/test/java/org/onap/holmes/common/ConfigFileScannerTest.java
@@ -0,0 +1,60 @@
+/**
+ * Copyright 2021 ZTE Corporation.
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.holmes.common;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+import java.util.Map;
+
+import static org.hamcrest.core.Is.is;
+import static org.hamcrest.core.IsEqual.equalTo;
+import static org.junit.Assert.assertThat;
+
+@RunWith(PowerMockRunner.class)
+public class ConfigFileScannerTest {
+
+    @Rule
+    ExpectedException thrown = ExpectedException.none();
+
+    @Test
+    public void testScan_file_normal() {
+        ConfigFileScanner scanner = new ConfigFileScanner();
+        String file = ConfigFileScannerTest.class.getResource("/ConfigFileScannerTestData.txt").getFile();
+        Map<String, String> files = scanner.scan(file);
+        assertThat(files.values().iterator().next(), equalTo("isTest=true"));
+    }
+
+    @Test
+    public void testScan_file_empty() {
+        ConfigFileScanner scanner = new ConfigFileScanner();
+        String file = ConfigFileScannerTest.class.getResource("/ConfigFileScannerEmpty.txt").getFile();
+        Map<String, String> files = scanner.scan(file);
+        assertThat(files.size(), is(0));
+    }
+
+    @Test
+    public void testScan_directory_normal() {
+        ConfigFileScanner scanner = new ConfigFileScanner();
+        String file = ConfigFileScannerTest.class.getResource("/").getFile();
+        Map<String, String> files = scanner.scan(file);
+        assertThat(files.size(), is(5));
+    }
+}
\ No newline at end of file
diff --git a/holmes-actions/src/test/java/org/onap/holmes/common/utils/FileUtilsTest.java b/holmes-actions/src/test/java/org/onap/holmes/common/utils/FileUtilsTest.java
new file mode 100644
index 0000000..bb46f6b
--- /dev/null
+++ b/holmes-actions/src/test/java/org/onap/holmes/common/utils/FileUtilsTest.java
@@ -0,0 +1,47 @@
+/**
+ * Copyright 2021 ZTE Corporation.
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.holmes.common.utils;
+
+import org.junit.Test;
+import org.onap.holmes.common.ConfigFileScanner;
+import org.onap.holmes.common.ConfigFileScannerTest;
+
+import java.util.Map;
+
+import static org.hamcrest.core.Is.is;
+import static org.hamcrest.core.IsEqual.equalTo;
+import static org.hamcrest.core.IsNull.nullValue;
+import static org.junit.Assert.*;
+
+public class FileUtilsTest {
+
+    @Test
+    public void readTextFile_normal() {
+        String path = FileUtilsTest.class.getResource("/ConfigFileScannerTestData.txt").getFile();
+        assertThat(FileUtils.readTextFile(path), equalTo("isTest=true"));
+    }
+
+    @Test
+    public void readTextFile_not_found_exception() {
+        assertThat(FileUtils.readTextFile("a-non-exist-path"), nullValue());
+    }
+
+    @Test
+    public void readTextFile_directory(){
+        assertThat(FileUtils.readTextFile("/"), nullValue());
+    }
+}
\ No newline at end of file
diff --git a/holmes-actions/src/test/resources/ConfigFileScannerEmpty.txt b/holmes-actions/src/test/resources/ConfigFileScannerEmpty.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/holmes-actions/src/test/resources/ConfigFileScannerEmpty.txt
diff --git a/holmes-actions/src/test/resources/ConfigFileScannerTestData.txt b/holmes-actions/src/test/resources/ConfigFileScannerTestData.txt
new file mode 100644
index 0000000..b393d0c
--- /dev/null
+++ b/holmes-actions/src/test/resources/ConfigFileScannerTestData.txt
@@ -0,0 +1 @@
+isTest=true
\ No newline at end of file