SnapshotDependencies checker moved to java - fixes #827 (#828)

src/integration/groovy/pl/allegro/tech/build/axion/release/VerifyReleaseIntegrationTest.groovy

@@ -18,4 +18,62 @@ class VerifyReleaseIntegrationTest extends BaseIntegrationTest {
         result.task(":verifyRelease").outcome == TaskOutcome.SUCCESS
     }
 
+    def "should work in multimodule project setup"() {
+        given:
+        initialMultiModuleProjectConfiguration()
+
+        when:
+        def result = runGradle(':verifyRelease')
+
+        then:
+        result.task(":verifyRelease").outcome == TaskOutcome.SUCCESS
+    }
+
+    void initialMultiModuleProjectConfiguration() {
+        buildFile('''
+            scmVersion {
+                versionCreator "versionWithBranch"
+            }
+            allprojects {
+                version = scmVersion.version
+            }
+        ''')
+        generateSettingsFile(temporaryFolder)
+        generateGitIgnoreFile(temporaryFolder)
+        generateSubmoduleBuildFile("module1")
+        repository.commit(['.'], "initial commit of top level project")
+        runGradle(":createRelease", "-Prelease.version=1.0.0", '-Prelease.disableChecks')
+    }
+
+    void generateSubmoduleBuildFile(String projectName) {
+        File submoduleDir = new File(temporaryFolder, projectName)
+        submoduleDir.mkdirs()
+        File buildFile = new File(submoduleDir, "build.gradle")
+        buildFile << '''
+        plugins {
+            id 'java-platform'
+        }
+
+        dependencies {
+            constraints {
+                api "multimodule-project:multimodule-project:${version}"
+            }
+        }
+        '''
+    }
+
+    void generateSettingsFile(File dir) {
+        File settings = new File(dir, "settings.gradle")
+        settings << """
+        rootProject.name = "multimodule-project"
+        include(':module1')
+        """
+    }
+
+    void generateGitIgnoreFile(File dir) {
+        File gitIgnore = new File(dir, ".gitignore")
+        gitIgnore << """\
+        .gradle
+        """.stripIndent()
+    }
 }

src/main/java/pl/allegro/tech/build/axion/release/domain/SnapshotDependenciesChecker.java

@@ -0,0 +1,61 @@
+package pl.allegro.tech.build.axion.release.domain;
+
+import org.gradle.api.Project;
+import org.gradle.api.artifacts.Configuration;
+import org.gradle.api.artifacts.Dependency;
+import org.gradle.api.artifacts.DependencyConstraint;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+public class SnapshotDependenciesChecker {
+
+    public Collection<String> snapshotVersions(Project project) {
+        Set<String> projectVersions = project.getRootProject().getAllprojects().stream()
+            .map(this::toFullVersion)
+            .collect(Collectors.toSet());
+
+        Set<Configuration> configurations = project.getRootProject().getAllprojects().stream()
+            .flatMap(p -> p.getConfigurations().stream())
+            .collect(Collectors.toSet());
+
+        Set<String> allDependenciesVersions = new HashSet<>();
+        for (Configuration config : configurations) {
+            Set<String> versions = config.getAllDependencies().stream()
+                .filter(this::isSnapshot)
+                .map(this::toFullVersion)
+                .collect(Collectors.toSet());
+
+            Set<String> constraintVersions = config.getAllDependencyConstraints().stream()
+                .filter(this::isSnapshot)
+                .map(this::toFullVersion)
+                .collect(Collectors.toSet());
+
+            allDependenciesVersions.addAll(versions);
+            allDependenciesVersions.addAll(constraintVersions);
+        }
+        allDependenciesVersions.removeAll(projectVersions);
+        return allDependenciesVersions;
+    }
+
+    private boolean isSnapshot(Dependency dependency) {
+        return dependency.getVersion() != null && dependency.getVersion().endsWith("-SNAPSHOT");
+    }
+
+    private boolean isSnapshot(DependencyConstraint dependency) {
+        return dependency.getVersion() != null && dependency.getVersion().endsWith("-SNAPSHOT");
+    }
+
+    private String toFullVersion(Object it) {
+        if (it instanceof Dependency) {
+            Dependency dependency = (Dependency) it;
+            return String.format("%s:%s:%s", dependency.getGroup(), dependency.getName(), dependency.getVersion());
+        } else if (it instanceof DependencyConstraint) {
+            DependencyConstraint constraint = (DependencyConstraint) it;
+            return String.format("%s:%s:%s", constraint.getGroup(), constraint.getName(), constraint.getVersion());
+        }
+        return "";
+    }
+}