[MDEP-960] Repair silent logging

src/main/java/org/apache/maven/plugins/dependency/AbstractDependencyMojo.java

@@ -25,6 +25,7 @@
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.plugin.logging.SystemStreamLog;
 import org.apache.maven.plugins.annotations.Component;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.plugins.dependency.utils.DependencySilentLog;
@@ -86,7 +87,7 @@ public abstract class AbstractDependencyMojo extends AbstractMojo {
     /**
      * If the plugin should be silent.
      *
-     * @deprecated to be removed in 4.0; use -Q command line option instead
+     * @deprecated to be removed in 4.0; use -q command line option instead
      * @since 2.0
      */
     @Deprecated
@@ -181,13 +182,15 @@ protected final boolean isSilent() {
 
     /**
      * @param silent {@link #silent}
-     * @deprecated to be removed in 4.0; no API replacement, use -Q command line option instead
+     * @deprecated to be removed in 4.0; no API replacement, use -q command line option instead
      */
     @Deprecated
     public void setSilent(boolean silent) {
         this.silent = silent;
         if (silent) {
             setLog(new DependencySilentLog());
+        } else if (getLog() instanceof DependencySilentLog) {
+            setLog(new SystemStreamLog());
         }
     }
 }

src/test/java/org/apache/maven/plugins/dependency/TestCollectMojo.java

@@ -23,14 +23,16 @@
 
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.execution.MavenSession;
-import org.apache.maven.plugin.testing.SilentLog;
 import org.apache.maven.plugins.dependency.resolvers.CollectDependenciesMojo;
+import org.apache.maven.plugins.dependency.resolvers.ResolveDependenciesMojo;
 import org.apache.maven.plugins.dependency.testUtils.stubs.DependencyProjectStub;
+import org.apache.maven.plugins.dependency.utils.DependencySilentLog;
 import org.apache.maven.plugins.dependency.utils.DependencyStatusSets;
 import org.apache.maven.project.MavenProject;
 
 public class TestCollectMojo extends AbstractDependencyMojoTestCase {
 
+    @Override
     protected void setUp() throws Exception {
         // required for mojo lookups to work
         super.setUp("markers", false);
@@ -98,10 +100,15 @@ public void testCollectTestEnvironment_excludeTransitive() throws Exception {
     }
 
     public void testSilent() throws Exception {
-        File testPom = new File(getBasedir(), "target/test-classes/unit/collect-test/plugin-config.xml");
-        CollectDependenciesMojo mojo = (CollectDependenciesMojo) lookupMojo("collect", testPom);
-        mojo.setSilent(false);
+        File testPom = new File(getBasedir(), "target/test-classes/unit/resolve-test/plugin-config.xml");
+        ResolveDependenciesMojo mojo = (ResolveDependenciesMojo) lookupMojo("resolve", testPom);
+
+        assertFalse(mojo.getLog() instanceof DependencySilentLog);
 
-        assertFalse(mojo.getLog() instanceof SilentLog);
+        mojo.setSilent(true);
+        assertTrue(mojo.getLog() instanceof DependencySilentLog);
+
+        mojo.setSilent(false);
+        assertFalse(mojo.getLog() instanceof DependencySilentLog);
     } // TODO: Test skipping artifacts.
 }

src/test/java/org/apache/maven/plugins/dependency/resolvers/TestResolveMojo.java

@@ -23,14 +23,15 @@
 
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.execution.MavenSession;
-import org.apache.maven.plugin.testing.SilentLog;
 import org.apache.maven.plugins.dependency.AbstractDependencyMojoTestCase;
 import org.apache.maven.plugins.dependency.testUtils.stubs.DependencyProjectStub;
+import org.apache.maven.plugins.dependency.utils.DependencySilentLog;
 import org.apache.maven.plugins.dependency.utils.DependencyStatusSets;
 import org.apache.maven.project.MavenProject;
 
 public class TestResolveMojo extends AbstractDependencyMojoTestCase {
 
+    @Override
     protected void setUp() throws Exception {
         // required for mojo lookups to work
         super.setUp("markers", false);
@@ -47,7 +48,7 @@ protected void setUp() throws Exception {
      *
      * @throws Exception in case of errors.
      */
-    public void testresolveTestEnvironment() throws Exception {
+    public void testResolveTestEnvironment() throws Exception {
         File testPom = new File(getBasedir(), "target/test-classes/unit/resolve-test/plugin-config.xml");
         ResolveDependenciesMojo mojo = (ResolveDependenciesMojo) lookupMojo("resolve", testPom);
 
@@ -79,8 +80,13 @@ public void testresolveTestEnvironment() throws Exception {
     public void testSilent() throws Exception {
         File testPom = new File(getBasedir(), "target/test-classes/unit/resolve-test/plugin-config.xml");
         ResolveDependenciesMojo mojo = (ResolveDependenciesMojo) lookupMojo("resolve", testPom);
-        mojo.setSilent(false);
 
-        assertFalse(mojo.getLog() instanceof SilentLog);
+        assertFalse(mojo.getLog() instanceof DependencySilentLog);
+
+        mojo.setSilent(true);
+        assertTrue(mojo.getLog() instanceof DependencySilentLog);
+
+        mojo.setSilent(false);
+        assertFalse(mojo.getLog() instanceof DependencySilentLog);
     } // TODO: Test skipping artifacts.
 }

src/test/java/org/apache/maven/plugins/dependency/utils/TestSilentLog.java

@@ -19,6 +19,7 @@
 package org.apache.maven.plugins.dependency.utils;
 
 import org.apache.maven.plugin.logging.Log;
+import org.junit.Assert;
 import org.junit.Test;
 
 public class TestSilentLog {
@@ -40,9 +41,9 @@ public void testLog() {
         log.error(text);
         log.error(text, e);
         log.error(e);
-        log.isDebugEnabled();
-        log.isErrorEnabled();
-        log.isWarnEnabled();
-        log.isInfoEnabled();
+        Assert.assertFalse(log.isDebugEnabled());
+        Assert.assertFalse(log.isErrorEnabled());
+        Assert.assertFalse(log.isWarnEnabled());
+        Assert.assertFalse(log.isInfoEnabled());
     }
 }