sormuras commented on a change in pull request #196: [SUREFIRE-1585] [WIP]
Resolve missing and align "JUnit 5" artifacts
URL: https://github.com/apache/maven-surefire/pull/196#discussion_r232469829
##########
File path:
maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/AbstractSurefireMojo.java
##########
@@ -2846,8 +2849,92 @@ public void addProviderProperties()
@Nonnull
public Set<Artifact> getProviderClasspath()
{
+ String provider = "surefire-junit-platform";
String version = surefireBooterArtifact.getBaseVersion();
- return dependencyResolver.getProviderClasspath(
"surefire-junit-platform", version );
+ Set<Artifact> providerArtifacts =
dependencyResolver.getProviderClasspath( provider, version );
+ alignJUnitPlatformVersion( providerArtifacts );
+ resolveJUnitJupiterEngine( providerArtifacts );
+ resolveJUnitVintageEngine( providerArtifacts );
+ return providerArtifacts;
+ }
+
+ private void resolveJUnitJupiterEngine( Set<Artifact>
providerArtifacts )
+ {
+ Artifact junitJupiterApi = getProjectArtifactMap().get(
"org.junit.jupiter:junit-jupiter-api" );
+ if ( junitJupiterApi == null ) // no api, no engine
+ {
+ return;
+ }
+ Artifact junitJupiterEngine = getProjectArtifactMap().get(
"org.junit.jupiter:junit-jupiter-engine" );
+ if ( junitJupiterEngine != null ) // engine already resolved by
project
+ {
+ return;
+ }
+ // resolve "junit-jupiter-engine" and its transitive dependencies
+ String version = junitJupiterApi.getBaseVersion();
+ resolve( providerArtifacts, "org.junit.jupiter",
"junit-jupiter-engine", version );
+ }
+
+ private void resolveJUnitVintageEngine( Set<Artifact>
providerArtifacts )
+ {
+ Artifact junit = getProjectArtifactMap().get( "junit:junit" );
+ if ( junit == null || !junit.getBaseVersion().equals( "4.12" ) )
// no or wrong "junit", no engine
+ {
+ return;
+ }
+ Artifact junitVintageEngine = getProjectArtifactMap().get(
"org.junit.vintage:junit-vintage-engine" );
+ if ( junitVintageEngine != null ) // engine already resolved by
project
+ {
+ return;
+ }
+ // resolve "junit-vintage-engine" and its transitive dependencies
+ // heuristic: from Platform "x.y.z" to Vintage "5" + ".y.z"
+ String junitVintageVersion = "5" +
junitPlatformArtifact.getBaseVersion().substring( 1 );
+ resolve( providerArtifacts, "org.junit.vintage",
"junit-vintage-engine", junitVintageVersion );
+ }
+
+ private void alignJUnitPlatformVersion( Set<Artifact>
providerArtifacts )
+ {
+ Map<String, Artifact> providerArtifactMap = new HashMap<String,
Artifact>();
+ for ( Artifact artifact : providerArtifacts )
+ {
+ String key = artifact.getGroupId() + ":" +
artifact.getArtifactId();
+ providerArtifactMap.put( key, artifact );
+ }
+ Artifact defaultLauncher = providerArtifactMap.get(
"org.junit.platform:junit-platform-launcher" );
+ logDebugOrCliShowErrors( "JUnit Platform Artifact: " +
junitPlatformArtifact );
+ logDebugOrCliShowErrors( "JUnit Platform Launcher: " +
defaultLauncher );
+ if ( junitPlatformArtifact.getVersion().equals(
defaultLauncher.getVersion() ) )
+ {
+ logDebugOrCliShowErrors( "JUnit Platform versions are equal -
proceeding anyway... " );
Review comment:
Here should be a `return;` statement -- but then resulting classpath order
is not matching in the integration tests.
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