[MNG-6667] Enhance the error reporting when trying to build a modelVersion that the current Maven doesn't understand

This commit is contained in:
Stephen Connolly 2019-06-03 21:33:44 +01:00
parent 275a9714c6
commit 01405a2d60
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6 changed files with 229 additions and 18 deletions

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@ -19,15 +19,15 @@ package org.apache.maven.project;
* under the License.
*/
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;
import org.codehaus.plexus.util.FileUtils;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
public class DefaultMavenProjectBuilderTest
extends AbstractMavenProjectTestCase
{
@ -112,6 +112,66 @@ public class DefaultMavenProjectBuilderTest
assertEquals( "first", project.getBuildPlugins().get( 0 ).getExecutions().get( 0 ).getId() );
}
public void testFutureModelVersion()
throws Exception
{
File f1 = getTestFile( "src/test/resources/projects/future-model-version-pom.xml" );
try
{
getProject( f1 );
fail( "Expected to fail for future versions" );
}
catch ( ProjectBuildingException e )
{
assertContains( "Building this project requires a newer version of Maven", e.getMessage() );
}
}
public void testPastModelVersion()
throws Exception
{
// a Maven 1.x pom will not even
// update the resource if we stop supporting modelVersion 4.0.0
File f1 = getTestFile( "src/test/resources/projects/past-model-version-pom.xml" );
try
{
getProject( f1 );
fail( "Expected to fail for past versions" );
}
catch ( ProjectBuildingException e )
{
assertContains( "Building this project requires an older version of Maven", e.getMessage() );
}
}
public void testFutureSchemaModelVersion()
throws Exception
{
File f1 = getTestFile( "src/test/resources/projects/future-schema-model-version-pom.xml" );
try
{
getProject( f1 );
fail( "Expected to fail for future versions" );
}
catch ( ProjectBuildingException e )
{
assertContains( "Building this project requires a newer version of Maven", e.getMessage() );
}
}
private void assertContains( String expected, String actual )
{
if ( actual == null || !actual.contains( expected ) )
{
fail( "Expected: a string containing " + expected + "\nActual: " + ( actual == null
? "null"
: "'" + actual + "'" ) );
}
}
public void testBuildStubModelForMissingRemotePom()
throws Exception
{

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@ -0,0 +1,25 @@
<!--
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.
-->
<project>
<modelVersion>4.0.1</modelVersion>
<groupId>tests.project</groupId>
<artifactId>future-model-version</artifactId>
<version>1</version>
</project>

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@ -0,0 +1,24 @@
<!--
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.
-->
<project>
<modelVersion>4.999.999</modelVersion>
<!-- this should be a fake "future" version that only has modelVersion understood by us -->
<coordinates>tests.project:future-model-version</coordinates>
</project>

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@ -0,0 +1,26 @@
<!--
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.
-->
<project>
<!-- once we move past supporting modelVersion 4.0.0 we should update this version -->
<modelVersion>3.9.9</modelVersion>
<groupId>tests.project</groupId>
<artifactId>past-model-version</artifactId>
<version>1</version>
</project>

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@ -19,16 +19,6 @@ package org.apache.maven.model.validation;
* under the License.
*/
import java.io.File;
import java.util.Arrays;
import java.util.HashMap;
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 org.apache.maven.model.Activation;
import org.apache.maven.model.ActivationFile;
import org.apache.maven.model.Build;
@ -58,6 +48,16 @@ import org.apache.maven.model.interpolation.AbstractStringBasedModelInterpolator
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.util.StringUtils;
import java.io.File;
import java.util.Arrays;
import java.util.HashMap;
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;
/**
* @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
*/
@ -122,8 +122,7 @@ public class DefaultModelValidator
// models without a version starting with 3.4.
validateStringNotEmpty( "modelVersion", problems, Severity.ERROR, Version.V20, m.getModelVersion(), m );
validateEnum( "modelVersion", problems, Severity.ERROR, Version.V20, m.getModelVersion(), null, m,
"4.0.0" );
validateModelVersion( problems, m.getModelVersion(), m, "4.0.0" );
validateStringNoExpression( "groupId", problems, Severity.WARNING, Version.V20, m.getGroupId(), m );
if ( parent == null )
@ -1041,6 +1040,83 @@ public class DefaultModelValidator
return false;
}
@SuppressWarnings( "checkstyle:parameternumber" )
private boolean validateModelVersion( ModelProblemCollector problems, String string, InputLocationTracker tracker,
String... validVersions )
{
if ( string == null || string.length() <= 0 )
{
return true;
}
List<String> values = Arrays.asList( validVersions );
if ( values.contains( string ) )
{
return true;
}
boolean newerThanAll = true;
boolean olderThanAll = true;
for ( String validValue : validVersions )
{
final int comparison = compareModelVersions( validValue, string );
newerThanAll = newerThanAll && comparison < 0;
olderThanAll = olderThanAll && comparison > 0;
}
if ( newerThanAll )
{
addViolation( problems, Severity.FATAL, Version.V20, "modelVersion", null,
"of '" + string + "' is newer than the versions supported by this version of Maven: " + values
+ ". Building this project requires a newer version of Maven.", tracker );
}
else if ( olderThanAll )
{
// note this will not be hit for Maven 1.x project.xml as it is an incompatible schema
addViolation( problems, Severity.FATAL, Version.V20, "modelVersion", null,
"of '" + string + "' is older than the versions supported by this version of Maven: " + values
+ ". Building this project requires an older version of Maven.", tracker );
}
else
{
addViolation( problems, Severity.ERROR, Version.V20, "modelVersion", null,
"must be one of " + values + " but is '" + string + "'.", tracker );
}
return false;
}
/**
* Compares two model versions.
*
* @param first the first version.
* @param second the second version.
* @return negative if the first version is newer than the second version, zero if they are the same or positive if
* the second version is the newer.
*/
private static int compareModelVersions( String first, String second )
{
// we use a dedicated comparator because we control our model version scheme.
String[] firstSegments = StringUtils.split( first, "." );
String[] secondSegments = StringUtils.split( second, "." );
for ( int i = 0; i < Math.min( firstSegments.length, secondSegments.length ); i++ )
{
int result = Long.valueOf( firstSegments[i] ).compareTo( Long.valueOf( secondSegments[i] ) );
if ( result != 0 )
{
return result;
}
}
if ( firstSegments.length == secondSegments.length )
{
return 0;
}
return firstSegments.length > secondSegments.length ? -1 : 1;
}
@SuppressWarnings( "checkstyle:parameternumber" )
private boolean validateBannedCharacters( String fieldName, ModelProblemCollector problems, Severity severity,
Version version, String string, String sourceHint,

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@ -129,9 +129,9 @@ public class DefaultModelValidatorTest
SimpleProblemCollector result =
validateRaw( "bad-modelVersion.xml", ModelBuildingRequest.VALIDATION_LEVEL_STRICT );
assertViolations( result, 0, 1, 0 );
assertViolations( result, 1, 0, 0 );
assertTrue( result.getErrors().get( 0 ).contains( "modelVersion" ) );
assertTrue( result.getFatals().get( 0 ).contains( "modelVersion" ) );
}
public void testMissingArtifactId()