diff options
Diffstat (limited to 'bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/p2/tests/ql/TestQueryReimplementation.java')
| -rw-r--r-- | bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/p2/tests/ql/TestQueryReimplementation.java | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/p2/tests/ql/TestQueryReimplementation.java b/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/p2/tests/ql/TestQueryReimplementation.java new file mode 100644 index 000000000..9a51eda88 --- /dev/null +++ b/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/p2/tests/ql/TestQueryReimplementation.java @@ -0,0 +1,146 @@ +/******************************************************************************* + * Copyright (c) 2009 Cloudsmith Inc. and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Cloudsmith Inc. - initial API and implementation + *******************************************************************************/ +package org.eclipse.equinox.p2.tests.ql; + +import org.eclipse.equinox.internal.provisional.p2.metadata.MetadataFactory; +import org.eclipse.equinox.p2.metadata.*; +import org.eclipse.equinox.p2.metadata.expression.IExpression; +import org.eclipse.equinox.p2.metadata.expression.IExpressionParser; +import org.eclipse.equinox.p2.ql.*; +import org.eclipse.equinox.p2.query.IQueryResult; +import org.eclipse.equinox.p2.repository.metadata.IMetadataRepository; +import org.eclipse.equinox.p2.tests.AbstractProvisioningTest; + +public class TestQueryReimplementation extends AbstractProvisioningTest { + + public static class UpdateQuery extends QLMatchQuery { + private static final IExpression expr1; + private static final IExpression expr2; + + static { + IQLParser parser = QL.newParser(); + + // This expression is used in case the updateFrom is an IInstallableUnitPatch + // + expr1 = parser.parse("$0 ~= updateDescriptor && ($0.id != id || $0.version < version)"); + + // When updateFrom is not an IInstallableUnitPatch, we need to do one of two things depending + // on if the current item is an InstallableUnitPatch or not. + // + expr2 = parser.parse("this ~= class('org.eclipse.equinox.p2.metadata.IInstallableUnitPatch')" + // + "? $0 ~= lifeCycle" + // + ": $0 ~= updateDescriptor && ($0.id != id || $0.version < version)"); + } + + public UpdateQuery(IInstallableUnit updateFrom) { + super(IInstallableUnit.class, QL.getFactory().matchExpression(updateFrom instanceof IInstallableUnitPatch ? expr1 : expr2, updateFrom, IInstallableUnitPatch.class)); + } + } + + public static class IUPropertyQuery extends QLMatchQuery { + private static final IExpression expr = QL.newParser().parse("properties[$0] == $1"); + + public IUPropertyQuery(String propertyName, String propertyValue) { + super(IInstallableUnit.class, QL.getFactory().matchExpression(expr, propertyName, propertyValue)); + } + } + + public static class InstallableUnitQuery extends QLMatchQuery { + /** + * A convenience query that will match any {@link IInstallableUnit} + * it encounters. + */ + public static final QLMatchQuery ANY = new QLMatchQuery(IInstallableUnit.class, ""); + + private static final IExpression idVersionQuery; + private static final IExpression idRangeQuery; + + static { + IExpressionParser parser = QL.newParser(); + idVersionQuery = parser.parse("($0 == null || $0 == id) && ($1 == null || $1 == version)"); + idRangeQuery = parser.parse("($0 == null || $0 == id) && ($1 == null || version ~= $1)"); + } + + /** + * Creates a query that will match any {@link IInstallableUnit} with the given + * id, regardless of version. + * + * @param id The installable unit id to match, or <code>null</code> to match any id + */ + public InstallableUnitQuery(String id) { + this(id, (Version) null); + } + + /** + * Creates a query that will match any {@link IInstallableUnit} with the given + * id, and whose version falls in the provided range. + * + * @param id The installable unit id to match, or <code>null</code> to match any id + * @param range The version range to match + */ + public InstallableUnitQuery(String id, VersionRange range) { + super(IInstallableUnit.class, QL.getFactory().matchExpression(idRangeQuery, id, range)); + } + + /** + * Creates a query that will match any {@link IInstallableUnit} with the given + * id and version. + * + * @param id The installable unit id to match, or <code>null</code> to match any id + * @param version The precise version that a matching unit must have + */ + public InstallableUnitQuery(String id, Version version) { + super(IInstallableUnit.class, QL.getFactory().matchExpression(idVersionQuery, id, version)); + } + + /** + * Creates a query that will match any {@link IInstallableUnit} with the given + * id and version. + * + * @param versionedId The precise id/version combination that a matching unit must have + */ + public InstallableUnitQuery(IVersionedId versionedId) { + this(versionedId.getId(), versionedId.getVersion()); + } + } + + private IInstallableUnit a1; + private IInstallableUnit updateOfA; + private IInstallableUnit a11; + + @Override + protected void setUp() throws Exception { + super.setUp(); + + a1 = createIU("A", Version.create("2.0.0")); + IUpdateDescriptor update = MetadataFactory.createUpdateDescriptor("A", new VersionRange("[2.0.0, 2.0.0]"), 0, "update description"); + updateOfA = createIU("UpdateA", Version.createOSGi(1, 0, 0), null, NO_REQUIRES, NO_PROVIDES, NO_PROPERTIES, null, NO_TP_DATA, false, update, NO_REQUIRES); + a11 = createIUUpdate(); + } + + public void testUpdateWithDifferentId() { + IMetadataRepository repo = createTestMetdataRepository(new IInstallableUnit[] {a1, updateOfA}); + IQueryResult c = repo.query(new UpdateQuery(a1), null); + assertEquals(1, queryResultSize(c)); + assertEquals(updateOfA, c.iterator().next()); + } + + public void testWithSuperiorVersion() { + IMetadataRepository repo2 = createTestMetdataRepository(new IInstallableUnit[] {a11, a1}); + IQueryResult c2 = repo2.query(new UpdateQuery(a1), null); + assertEquals(1, queryResultSize(c2)); + assertEquals(a11, c2.iterator().next()); + } + + private IInstallableUnit createIUUpdate() { + return createIU("A", Version.create("2.1.0"), null, NO_REQUIRES, NO_PROVIDES, NO_PROPERTIES, ITouchpointType.NONE, NO_TP_DATA, false, MetadataFactory.createUpdateDescriptor("A", new VersionRange("[2.0.0, 2.1.0]"), 0, "update description"), null); + } +}
\ No newline at end of file |