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Posted to commits@flink.apache.org by ch...@apache.org on 2022/07/07 13:22:34 UTC

[flink] branch master updated: [FLINK-28201][ci] Generalize utils around dependency plugin

This is an automated email from the ASF dual-hosted git repository.

chesnay pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/flink.git


The following commit(s) were added to refs/heads/master by this push:
     new 81c1cb82afc [FLINK-28201][ci] Generalize utils around dependency plugin
81c1cb82afc is described below

commit 81c1cb82afc7c1ef66a5dd21555997abaf4a7817
Author: Chesnay Schepler <ch...@apache.org>
AuthorDate: Thu Jul 7 15:22:27 2022 +0200

    [FLINK-28201][ci] Generalize utils around dependency plugin
---
 .../tools/ci/licensecheck/NoticeFileChecker.java   |  65 ++++---
 .../tools/ci/suffixcheck/ScalaSuffixChecker.java   |  81 ++++-----
 .../tools/ci/utils/dependency/Dependency.java      | 114 ++++++++++++
 .../ci/utils/dependency/DependencyParser.java      | 201 +++++++++++++++++++++
 .../utils/dependency/DependencyParserCopyTest.java | 109 +++++++++++
 .../utils/dependency/DependencyParserTreeTest.java | 134 ++++++++++++++
 6 files changed, 626 insertions(+), 78 deletions(-)

diff --git a/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/licensecheck/NoticeFileChecker.java b/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/licensecheck/NoticeFileChecker.java
index 6237ec7ec68..3dedaab8766 100644
--- a/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/licensecheck/NoticeFileChecker.java
+++ b/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/licensecheck/NoticeFileChecker.java
@@ -18,6 +18,9 @@
 
 package org.apache.flink.tools.ci.licensecheck;
 
+import org.apache.flink.tools.ci.utils.dependency.Dependency;
+import org.apache.flink.tools.ci.utils.dependency.DependencyParser;
+
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ArrayListMultimap;
 import com.google.common.collect.Multimap;
@@ -60,13 +63,6 @@ public class NoticeFileChecker {
     private static final Pattern SHADE_INCLUDE_MODULE_PATTERN =
             Pattern.compile(".*Including ([^:]+):([^:]+):jar:([^ ]+) in the shaded jar");
 
-    // pattern for maven-dependency-plugin copyied dependencies
-    private static final Pattern DEPENDENCY_COPY_NEXT_MODULE_PATTERN =
-            Pattern.compile(
-                    ".*maven-dependency-plugin:[^:]+:copy \\([^)]+\\) @ ([^ _]+)(_[0-9.]+)? --.*");
-    private static final Pattern DEPENDENCY_COPY_INCLUDE_MODULE_PATTERN =
-            Pattern.compile(".*Configured Artifact: ([^:]+):([^:]+):([^:]+):jar.*");
-
     // Examples:
     // "- org.apache.htrace:htrace-core:3.1.0-incubating"
     // or
@@ -78,11 +74,14 @@ public class NoticeFileChecker {
     static int run(File buildResult, Path root) throws IOException {
         int severeIssueCount = 0;
         // parse included dependencies from build output
-        Multimap<String, IncludedDependency> modulesWithBundledDependencies =
-                parseModulesFromBuildResult(buildResult);
+        final Multimap<String, IncludedDependency> modulesWithBundledDependencies =
+                combine(
+                        parseModulesFromBuildResult(buildResult),
+                        DependencyParser.parseDependencyCopyOutput(buildResult.toPath()));
+
         LOG.info(
                 "Extracted "
-                        + modulesWithBundledDependencies.asMap().keySet().size()
+                        + modulesWithBundledDependencies.keySet().size()
                         + " modules with a total of "
                         + modulesWithBundledDependencies.values().size()
                         + " dependencies");
@@ -102,6 +101,28 @@ public class NoticeFileChecker {
         return severeIssueCount;
     }
 
+    private static Multimap<String, IncludedDependency> combine(
+            Multimap<String, IncludedDependency> modulesWithBundledDependencies,
+            Map<String, Set<Dependency>> modulesWithCopiedDependencies) {
+        modulesWithCopiedDependencies.forEach(
+                (module, copiedDependencies) -> {
+                    copiedDependencies.stream()
+                            .filter(
+                                    dependency ->
+                                            !dependency.getGroupId().contains("org.apache.flink"))
+                            .map(
+                                    dependency ->
+                                            IncludedDependency.create(
+                                                    dependency.getGroupId(),
+                                                    dependency.getArtifactId(),
+                                                    dependency.getVersion()))
+                            .forEach(
+                                    dependency ->
+                                            modulesWithBundledDependencies.put(module, dependency));
+                });
+        return modulesWithBundledDependencies;
+    }
+
     private static int ensureRequiredNoticeFiles(
             Multimap<String, IncludedDependency> modulesWithShadedDependencies,
             List<Path> noticeFiles) {
@@ -274,19 +295,12 @@ public class NoticeFileChecker {
         try (Stream<String> lines = Files.lines(buildResult.toPath())) {
             // String line;
             String currentShadeModule = null;
-            String currentDependencyCopyModule = null;
             for (String line : (Iterable<String>) lines::iterator) {
                 Matcher nextShadeModuleMatcher = SHADE_NEXT_MODULE_PATTERN.matcher(line);
                 if (nextShadeModuleMatcher.find()) {
                     currentShadeModule = nextShadeModuleMatcher.group(2);
                 }
 
-                Matcher nextDependencyCopyModuleMatcher =
-                        DEPENDENCY_COPY_NEXT_MODULE_PATTERN.matcher(line);
-                if (nextDependencyCopyModuleMatcher.find()) {
-                    currentDependencyCopyModule = nextDependencyCopyModuleMatcher.group(1);
-                }
-
                 if (currentShadeModule != null) {
                     Matcher includeMatcher = SHADE_INCLUDE_MODULE_PATTERN.matcher(line);
                     if (includeMatcher.find()) {
@@ -300,26 +314,9 @@ public class NoticeFileChecker {
                         }
                     }
                 }
-
-                if (currentDependencyCopyModule != null) {
-                    Matcher copyMatcher = DEPENDENCY_COPY_INCLUDE_MODULE_PATTERN.matcher(line);
-                    if (copyMatcher.find()) {
-                        String groupId = copyMatcher.group(1);
-                        String artifactId = copyMatcher.group(2);
-                        String version = copyMatcher.group(3);
-                        if (!"org.apache.flink".equals(groupId)) {
-                            result.put(
-                                    currentDependencyCopyModule,
-                                    IncludedDependency.create(groupId, artifactId, version));
-                        }
-                    }
-                }
                 if (line.contains("Replacing original artifact with shaded artifact")) {
                     currentShadeModule = null;
                 }
-                if (line.contains("Copying")) {
-                    currentDependencyCopyModule = null;
-                }
             }
         }
         return result;
diff --git a/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/suffixcheck/ScalaSuffixChecker.java b/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/suffixcheck/ScalaSuffixChecker.java
index 1a00dfb538b..7b3d3d83cc8 100644
--- a/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/suffixcheck/ScalaSuffixChecker.java
+++ b/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/suffixcheck/ScalaSuffixChecker.java
@@ -17,10 +17,12 @@
 
 package org.apache.flink.tools.ci.suffixcheck;
 
+import org.apache.flink.tools.ci.utils.dependency.Dependency;
+import org.apache.flink.tools.ci.utils.dependency.DependencyParser;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.BufferedReader;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -31,8 +33,8 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
-import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -96,49 +98,39 @@ public class ScalaSuffixChecker {
         final Set<String> cleanModules = new HashSet<>();
         final Set<String> infectedModules = new HashSet<>();
 
-        try (final BufferedReader bufferedReader =
-                Files.newBufferedReader(path, StandardCharsets.UTF_8)) {
-
-            String line;
-            while ((line = bufferedReader.readLine()) != null) {
-                final Matcher matcher = moduleNamePattern.matcher(line);
-                if (matcher.matches()) {
-                    final String moduleName = stripScalaSuffix(matcher.group(1));
-                    if (isExcluded(moduleName)) {
-                        continue;
-                    }
-                    LOG.trace("Parsing module '{}'.", moduleName);
-
-                    // skip: [INFO] org.apache.flink:flink-annotations:jar:1.14-SNAPSHOT
-                    bufferedReader.readLine();
-
-                    boolean infected = false;
-                    line = bufferedReader.readLine();
-                    while (blockPattern.matcher(line).matches()) {
-                        final boolean dependsOnScala = dependsOnScala(line);
-                        final boolean isTestDependency = line.endsWith(":test");
-                        // we ignored flink-rpc-akka because it is loaded through a separate class
-                        // loader
-                        final boolean isExcluded = isExcluded(line);
-                        LOG.trace("\tline:{}", line);
-                        LOG.trace("\t\tdepends-on-scala:{}", dependsOnScala);
-                        LOG.trace("\t\tis-test-dependency:{}", isTestDependency);
-                        LOG.trace("\t\tis-excluded:{}", isExcluded);
-                        if (dependsOnScala && !isTestDependency && !isExcluded) {
-                            LOG.trace("\t\tOutbreak detected at {}!", moduleName);
-                            infected = true;
-                        }
-
-                        line = bufferedReader.readLine();
-                    }
+        final Map<String, Set<Dependency>> dependenciesByModule =
+                DependencyParser.parseDependencyTreeOutput(path);
 
-                    if (infected) {
-                        infectedModules.add(moduleName);
-                    } else {
-                        cleanModules.add(moduleName);
-                    }
+        for (String module : dependenciesByModule.keySet()) {
+            final String moduleName = stripScalaSuffix(module);
+            if (isExcluded(moduleName)) {
+                continue;
+            }
+            LOG.trace("Processing module '{}'.", moduleName);
+
+            final Collection<Dependency> dependencies = dependenciesByModule.get(module);
+
+            boolean infected = false;
+            for (Dependency dependency : dependencies) {
+                final boolean dependsOnScala = dependsOnScala(dependency);
+                final boolean isTestDependency = dependency.getScope().get().equals("test");
+                // we ignored flink-rpc-akka because it is loaded through a separate class loader
+                final boolean isExcluded = isExcluded(dependency.getArtifactId());
+                LOG.trace("\tdependency:{}", dependency);
+                LOG.trace("\t\tdepends-on-scala:{}", dependsOnScala);
+                LOG.trace("\t\tis-test-dependency:{}", isTestDependency);
+                LOG.trace("\t\tis-excluded:{}", isExcluded);
+                if (dependsOnScala && !isTestDependency && !isExcluded) {
+                    LOG.trace("\t\tOutbreak detected at {}!", moduleName);
+                    infected = true;
                 }
             }
+
+            if (infected) {
+                infectedModules.add(moduleName);
+            } else {
+                cleanModules.add(moduleName);
+            }
         }
 
         return new ParseResult(cleanModules, infectedModules);
@@ -149,8 +141,9 @@ public class ScalaSuffixChecker {
         return i > 0 ? moduleName.substring(0, i) : moduleName;
     }
 
-    private static boolean dependsOnScala(final String line) {
-        return line.contains("org.scala-lang") || scalaSuffixPattern.matcher(line).find();
+    private static boolean dependsOnScala(final Dependency dependency) {
+        return dependency.getGroupId().contains("org.scala-lang")
+                || scalaSuffixPattern.matcher(dependency.getArtifactId()).find();
     }
 
     private static Collection<String> checkScalaSuffixes(
diff --git a/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/utils/dependency/Dependency.java b/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/utils/dependency/Dependency.java
new file mode 100644
index 00000000000..4f8816a35c3
--- /dev/null
+++ b/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/utils/dependency/Dependency.java
@@ -0,0 +1,114 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.flink.tools.ci.utils.dependency;
+
+import javax.annotation.Nullable;
+
+import java.util.Objects;
+import java.util.Optional;
+
+/**
+ * Represents a dependency.
+ *
+ * <p>For some properties we return an {@link Optional}, for those that, depending on the plugin
+ * goal, may not be determinable. For example, {@code dependency:copy} never prints the scope or
+ * optional flag.
+ */
+public final class Dependency {
+
+    private final String groupId;
+    private final String artifactId;
+    private final String version;
+    @Nullable private final String scope;
+    @Nullable private final Boolean isOptional;
+
+    private Dependency(
+            String groupId,
+            String artifactId,
+            String version,
+            @Nullable String scope,
+            @Nullable Boolean isOptional) {
+        this.groupId = Objects.requireNonNull(groupId);
+        this.artifactId = Objects.requireNonNull(artifactId);
+        this.version = Objects.requireNonNull(version);
+        this.scope = scope;
+        this.isOptional = isOptional;
+    }
+
+    public static Dependency create(
+            String groupId, String artifactId, String version, String scope, boolean isOptional) {
+        return new Dependency(
+                groupId, artifactId, version, Objects.requireNonNull(scope), isOptional);
+    }
+
+    public static Dependency create(String groupId, String artifactId, String version) {
+        return new Dependency(groupId, artifactId, version, null, null);
+    }
+
+    public String getGroupId() {
+        return groupId;
+    }
+
+    public String getArtifactId() {
+        return artifactId;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    public Optional<String> getScope() {
+        return Optional.ofNullable(scope);
+    }
+
+    public Optional<Boolean> isOptional() {
+        return Optional.ofNullable(isOptional);
+    }
+
+    @Override
+    public String toString() {
+        return groupId
+                + ":"
+                + artifactId
+                + ":"
+                + version
+                + (scope != null ? ":" + scope : "")
+                + (isOptional != null && isOptional ? " (optional)" : "");
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        Dependency that = (Dependency) o;
+        return Objects.equals(groupId, that.groupId)
+                && Objects.equals(artifactId, that.artifactId)
+                && Objects.equals(version, that.version)
+                && Objects.equals(scope, that.scope)
+                && Objects.equals(isOptional, that.isOptional);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(groupId, artifactId, version, scope, isOptional);
+    }
+}
diff --git a/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/utils/dependency/DependencyParser.java b/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/utils/dependency/DependencyParser.java
new file mode 100644
index 00000000000..dff24888c32
--- /dev/null
+++ b/tools/ci/java-ci-tools/src/main/java/org/apache/flink/tools/ci/utils/dependency/DependencyParser.java
@@ -0,0 +1,201 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.flink.tools.ci.utils.dependency;
+
+import org.apache.flink.annotation.VisibleForTesting;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Stream;
+
+/** Parsing utils for the Maven dependency plugin. */
+public class DependencyParser {
+
+    private static final Pattern DEPENDENCY_COPY_NEXT_MODULE_PATTERN =
+            Pattern.compile(".*maven-dependency-plugin:[^:]+:copy .* @ ([^ _]+)(_[0-9.]+)? --.*");
+
+    private static final Pattern DEPENDENCY_TREE_NEXT_MODULE_PATTERN =
+            Pattern.compile(".*maven-dependency-plugin:[^:]+:tree .* @ ([^ _]+)(_[0-9.]+)? --.*");
+
+    /** See {@link DependencyParserTreeTest} for examples. */
+    private static final Pattern DEPENDENCY_TREE_ITEM_PATTERN =
+            Pattern.compile(
+                    ".* +"
+                            + "(?<groupId>.*?):"
+                            + "(?<artifactId>.*?):"
+                            + "(?<type>.*?):"
+                            + "(?:(?<classifier>.*?):)?"
+                            + "(?<version>.*?):"
+                            + "(?<scope>[^ ]*)"
+                            + "(?<optional> \\(optional\\))?");
+
+    /** See {@link DependencyParserCopyTest} for examples. */
+    private static final Pattern DEPENDENCY_COPY_ITEM_PATTERN =
+            Pattern.compile(
+                    ".* Configured Artifact: +"
+                            + "(?<groupId>.*?):"
+                            + "(?<artifactId>.*?):"
+                            + "(?:(?<classifier>.*?):)?"
+                            + "(?<version>.*?):"
+                            + "(?:\\?:)?" // unknown cause; e.g.: javax.xml.bind:jaxb-api:?:jar
+                            + "(?<type>.*)");
+
+    /**
+     * Parses the output of a Maven build where {@code dependency:copy} was used, and returns a set
+     * of copied dependencies for each module.
+     *
+     * <p>The returned dependencies will NEVER contain the scope or optional flag.
+     */
+    public static Map<String, Set<Dependency>> parseDependencyCopyOutput(Path buildOutput)
+            throws IOException {
+        return processLines(buildOutput, DependencyParser::parseDependencyCopyOutput);
+    }
+
+    /**
+     * Parses the output of a Maven build where {@code dependency:tree} was used, and returns a set
+     * of dependencies for each module.
+     */
+    public static Map<String, Set<Dependency>> parseDependencyTreeOutput(Path buildOutput)
+            throws IOException {
+        return processLines(buildOutput, DependencyParser::parseDependencyTreeOutput);
+    }
+
+    private static <X> X processLines(Path buildOutput, Function<Stream<String>, X> processor)
+            throws IOException {
+        try (Stream<String> lines = Files.lines(buildOutput)) {
+            return processor.apply(lines.filter(line -> line.contains("[INFO]")));
+        }
+    }
+
+    @VisibleForTesting
+    static Map<String, Set<Dependency>> parseDependencyCopyOutput(Stream<String> lines) {
+        return parseDependencyOutput(
+                lines,
+                DEPENDENCY_COPY_NEXT_MODULE_PATTERN,
+                DependencyParser::parseCopyDependencyBlock);
+    }
+
+    @VisibleForTesting
+    static Map<String, Set<Dependency>> parseDependencyTreeOutput(Stream<String> lines) {
+        return parseDependencyOutput(
+                lines,
+                DEPENDENCY_TREE_NEXT_MODULE_PATTERN,
+                DependencyParser::parseTreeDependencyBlock);
+    }
+
+    private static Map<String, Set<Dependency>> parseDependencyOutput(
+            Stream<String> lines,
+            Pattern executionLinePattern,
+            Function<Iterator<String>, Set<Dependency>> blockParser) {
+        final Map<String, Set<Dependency>> result = new LinkedHashMap<>();
+
+        final Iterator<String> iterator = lines.iterator();
+
+        while (iterator.hasNext()) {
+            Matcher moduleMatcher = executionLinePattern.matcher(iterator.next());
+            while (!moduleMatcher.find()) {
+                if (iterator.hasNext()) {
+                    moduleMatcher = executionLinePattern.matcher(iterator.next());
+                } else {
+                    return result;
+                }
+            }
+            final String currentModule = moduleMatcher.group(1);
+
+            if (!iterator.hasNext()) {
+                throw new IllegalStateException("Expected more output from the dependency-plugin.");
+            }
+
+            result.put(currentModule, blockParser.apply(iterator));
+        }
+        return result;
+    }
+
+    private static Set<Dependency> parseCopyDependencyBlock(Iterator<String> block) {
+        return parseDependencyBlock(block, DependencyParser::parseCopyDependency);
+    }
+
+    private static Set<Dependency> parseTreeDependencyBlock(Iterator<String> block) {
+        // discard one line, which only contains the current module name
+        block.next();
+
+        if (!block.hasNext()) {
+            throw new IllegalStateException("Expected more output from the dependency-plugin.");
+        }
+
+        return parseDependencyBlock(block, DependencyParser::parseTreeDependency);
+    }
+
+    private static Set<Dependency> parseDependencyBlock(
+            Iterator<String> block, Function<String, Optional<Dependency>> lineItemParser) {
+        final Set<Dependency> dependencies = new LinkedHashSet<>();
+
+        Optional<Dependency> parsedDependency = lineItemParser.apply(block.next());
+        while (parsedDependency.isPresent()) {
+            dependencies.add(parsedDependency.get());
+
+            if (block.hasNext()) {
+                parsedDependency = lineItemParser.apply(block.next());
+            } else {
+                parsedDependency = Optional.empty();
+            }
+        }
+
+        return dependencies;
+    }
+
+    @VisibleForTesting
+    static Optional<Dependency> parseCopyDependency(String line) {
+        Matcher dependencyMatcher = DEPENDENCY_COPY_ITEM_PATTERN.matcher(line);
+        if (!dependencyMatcher.find()) {
+            return Optional.empty();
+        }
+
+        return Optional.of(
+                Dependency.create(
+                        dependencyMatcher.group("groupId"),
+                        dependencyMatcher.group("artifactId"),
+                        dependencyMatcher.group("version")));
+    }
+
+    @VisibleForTesting
+    static Optional<Dependency> parseTreeDependency(String line) {
+        Matcher dependencyMatcher = DEPENDENCY_TREE_ITEM_PATTERN.matcher(line);
+        if (!dependencyMatcher.find()) {
+            return Optional.empty();
+        }
+
+        return Optional.of(
+                Dependency.create(
+                        dependencyMatcher.group("groupId"),
+                        dependencyMatcher.group("artifactId"),
+                        dependencyMatcher.group("version"),
+                        dependencyMatcher.group("scope"),
+                        dependencyMatcher.group("optional") != null));
+    }
+}
diff --git a/tools/ci/java-ci-tools/src/test/java/org/apache/flink/tools/ci/utils/dependency/DependencyParserCopyTest.java b/tools/ci/java-ci-tools/src/test/java/org/apache/flink/tools/ci/utils/dependency/DependencyParserCopyTest.java
new file mode 100644
index 00000000000..fcf682e3dae
--- /dev/null
+++ b/tools/ci/java-ci-tools/src/test/java/org/apache/flink/tools/ci/utils/dependency/DependencyParserCopyTest.java
@@ -0,0 +1,109 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.flink.tools.ci.utils.dependency;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Stream;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/** Tests the parsing of {@code dependency:copy}. */
+class DependencyParserCopyTest {
+
+    private static Stream<String> getTestDependencyCopy() {
+        return Stream.of(
+                "[INFO] --- maven-dependency-plugin:3.2.0:copy (copy) @ m1 ---",
+                "[INFO] Configured Artifact: external:dependency1:2.1:jar",
+                "[INFO] Configured Artifact: external:dependency4:2.4:jar",
+                "[INFO] Copying dependency1-2.1.jar to /some/path/dependency1-2.1.jar",
+                "[INFO] Copying dependency4-2.4.jar to /some/path/dependency4-2.4.jar",
+                "[INFO]",
+                "[INFO] --- maven-dependency-plugin:3.2.0:copy (copy) @ m2 ---",
+                "[INFO] Configured Artifact: internal:m1:1.1:jar",
+                "[INFO] Copying internal-1.1.jar to /some/path/m1-1.1.jar");
+    }
+
+    @Test
+    void testCopyParsing() {
+        final Map<String, Set<Dependency>> dependenciesByModule =
+                DependencyParser.parseDependencyCopyOutput(getTestDependencyCopy());
+
+        assertThat(dependenciesByModule).containsOnlyKeys("m1", "m2");
+        assertThat(dependenciesByModule.get("m1"))
+                .containsExactlyInAnyOrder(
+                        Dependency.create("external", "dependency1", "2.1"),
+                        Dependency.create("external", "dependency4", "2.4"));
+        assertThat(dependenciesByModule.get("m2"))
+                .containsExactlyInAnyOrder(Dependency.create("internal", "m1", "1.1"));
+    }
+
+    @Test
+    void testCopyLineParsingGroupId() {
+        assertThat(
+                        DependencyParser.parseCopyDependency(
+                                "[INFO] Configured Artifact: external:dependency1:1.0:jar"))
+                .hasValueSatisfying(
+                        dependency -> assertThat(dependency.getGroupId()).isEqualTo("external"));
+    }
+
+    @Test
+    void testCopyLineParsingArtifactId() {
+        assertThat(
+                        DependencyParser.parseCopyDependency(
+                                "[INFO] Configured Artifact: external:dependency1:1.0:jar"))
+                .hasValueSatisfying(
+                        dependency ->
+                                assertThat(dependency.getArtifactId()).isEqualTo("dependency1"));
+    }
+
+    @Test
+    void testCopyLineParsingVersion() {
+        assertThat(
+                        DependencyParser.parseCopyDependency(
+                                "[INFO] Configured Artifact: external:dependency1:1.0:jar"))
+                .hasValueSatisfying(
+                        dependency -> assertThat(dependency.getVersion()).isEqualTo("1.0"));
+    }
+
+    @Test
+    void testCopyLineParsingScope() {
+        assertThat(
+                        DependencyParser.parseCopyDependency(
+                                "[INFO] Configured Artifact: external:dependency1:1.0:jar"))
+                .hasValueSatisfying(dependency -> assertThat(dependency.getScope()).isEmpty());
+    }
+
+    @Test
+    void testCopyLineParsingOptional() {
+        assertThat(
+                        DependencyParser.parseCopyDependency(
+                                "[INFO] Configured Artifact: external:dependency1:1.0:jar"))
+                .hasValueSatisfying(dependency -> assertThat(dependency.isOptional()).isEmpty());
+    }
+
+    @Test
+    void testCopyLineParsingWithNonJarType() {
+        assertThat(
+                        DependencyParser.parseCopyDependency(
+                                "[INFO] Configured Artifact: external:dependency1:1.0:pom"))
+                .hasValue(Dependency.create("external", "dependency1", "1.0"));
+    }
+}
diff --git a/tools/ci/java-ci-tools/src/test/java/org/apache/flink/tools/ci/utils/dependency/DependencyParserTreeTest.java b/tools/ci/java-ci-tools/src/test/java/org/apache/flink/tools/ci/utils/dependency/DependencyParserTreeTest.java
new file mode 100644
index 00000000000..761fa629f0f
--- /dev/null
+++ b/tools/ci/java-ci-tools/src/test/java/org/apache/flink/tools/ci/utils/dependency/DependencyParserTreeTest.java
@@ -0,0 +1,134 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.flink.tools.ci.utils.dependency;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Stream;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/** Tests the parsing of {@code dependency:tree}. */
+class DependencyParserTreeTest {
+
+    private static Stream<String> getTestDependencyTree() {
+        return Stream.of(
+                "[INFO] --- maven-dependency-plugin:3.2.0:tree (default-cli) @ m1 ---",
+                "[INFO] internal:m1:jar:1.1",
+                "[INFO] +- external:dependency1:jar:2.1:compile",
+                "[INFO] |  +- external:dependency2:jar:2.2:compile (optional)",
+                "[INFO] |  |  \\- external:dependency3:jar:2.3:provided (optional)",
+                "[INFO] |  +- external:dependency4:jar:2.4:compile",
+                "[INFO]",
+                "[INFO] --- maven-dependency-plugin:3.2.0:tree (default-cli) @ m2 ---",
+                "[INFO] internal:m2:jar:1.2",
+                "[INFO] +- internal:m1:jar:1.1:compile",
+                "[INFO] |  +- external:dependency4:jar:2.4:compile");
+    }
+
+    @Test
+    void testTreeParsing() {
+        final Map<String, Set<Dependency>> dependenciesByModule =
+                DependencyParser.parseDependencyTreeOutput(getTestDependencyTree());
+
+        assertThat(dependenciesByModule).containsOnlyKeys("m1", "m2");
+        assertThat(dependenciesByModule.get("m1"))
+                .containsExactlyInAnyOrder(
+                        Dependency.create("external", "dependency1", "2.1", "compile", false),
+                        Dependency.create("external", "dependency2", "2.2", "compile", true),
+                        Dependency.create("external", "dependency3", "2.3", "provided", true),
+                        Dependency.create("external", "dependency4", "2.4", "compile", false));
+        assertThat(dependenciesByModule.get("m2"))
+                .containsExactlyInAnyOrder(
+                        Dependency.create("internal", "m1", "1.1", "compile", false),
+                        Dependency.create("external", "dependency4", "2.4", "compile", false));
+    }
+
+    @Test
+    void testTreeLineParsingGroupId() {
+        assertThat(
+                        DependencyParser.parseTreeDependency(
+                                "[INFO] +- external:dependency1:jar:1.0:compile"))
+                .hasValueSatisfying(
+                        dependency -> assertThat(dependency.getGroupId()).isEqualTo("external"));
+    }
+
+    @Test
+    void testTreeLineParsingArtifactId() {
+        assertThat(
+                        DependencyParser.parseTreeDependency(
+                                "[INFO] +- external:dependency1:jar:1.0:compile"))
+                .hasValueSatisfying(
+                        dependency ->
+                                assertThat(dependency.getArtifactId()).isEqualTo("dependency1"));
+    }
+
+    @Test
+    void testTreeLineParsingVersion() {
+        assertThat(
+                        DependencyParser.parseTreeDependency(
+                                "[INFO] +- external:dependency1:jar:1.0:compile"))
+                .hasValueSatisfying(
+                        dependency -> assertThat(dependency.getVersion()).isEqualTo("1.0"));
+    }
+
+    @Test
+    void testTreeLineParsingScope() {
+        assertThat(
+                        DependencyParser.parseTreeDependency(
+                                "[INFO] +- external:dependency1:jar:1.0:provided"))
+                .hasValueSatisfying(
+                        dependency -> assertThat(dependency.getScope()).hasValue("provided"));
+    }
+
+    @Test
+    void testTreeLineParsingWithNonJarType() {
+        assertThat(
+                        DependencyParser.parseTreeDependency(
+                                "[INFO] +- external:dependency1:pom:1.0:compile"))
+                .hasValue(Dependency.create("external", "dependency1", "1.0", "compile", false));
+    }
+
+    @Test
+    void testTreeLineParsingWithClassifier() {
+        assertThat(
+                        DependencyParser.parseTreeDependency(
+                                "[INFO] +- external:dependency1:jar:some_classifier:1.0:compile"))
+                .hasValue(Dependency.create("external", "dependency1", "1.0", "compile", false));
+    }
+
+    @Test
+    void testTreeLineParsingWithoutOptional() {
+        assertThat(
+                        DependencyParser.parseTreeDependency(
+                                "[INFO] +- external:dependency1:jar:1.0:compile"))
+                .hasValueSatisfying(
+                        dependency -> assertThat(dependency.isOptional()).hasValue(false));
+    }
+
+    @Test
+    void testTreeLineParsingWithOptional() {
+        assertThat(
+                        DependencyParser.parseTreeDependency(
+                                "[INFO] +- external:dependency1:jar:1.0:compile (optional)"))
+                .hasValueSatisfying(
+                        dependency -> assertThat(dependency.isOptional()).hasValue(true));
+    }
+}