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Example 61 with Context

use of org.eclipse.jst.server.tomcat.core.internal.xml.server32.Context in project batfish by batfish.

the class NodJobTest method testNotNattedSat.

/**
 * Test that traffic originating from 3.0.0.1 that is expected NOT to be NATed returns SAT when we
 * constrain to only allow NOT-NATed results.
 */
@Test
public void testNotNattedSat() {
    HeaderSpace headerSpace = new HeaderSpace();
    headerSpace.setSrcIps(ImmutableList.of(new IpWildcard("3.0.0.1")));
    NodJob nodJob = getNodJob(headerSpace, false);
    Context z3Context = new Context();
    Status status = nodJob.computeNodSat(System.currentTimeMillis(), z3Context);
    assertThat(status, equalTo(Status.SATISFIABLE));
}
Also used : IpWildcard(org.batfish.datamodel.IpWildcard) Context(com.microsoft.z3.Context) Status(com.microsoft.z3.Status) HeaderSpace(org.batfish.datamodel.HeaderSpace) Test(org.junit.Test)

Example 62 with Context

use of org.eclipse.jst.server.tomcat.core.internal.xml.server32.Context in project batfish by batfish.

the class NodJobTest method testNattedUnsat.

/**
 * Test that traffic originating from 3.0.0.0 that is expected to be NATed returns UNSAT when we
 * constrain to only allow NOT-NATed results.
 */
@Test
public void testNattedUnsat() {
    HeaderSpace headerSpace = new HeaderSpace();
    headerSpace.setSrcIps(ImmutableList.of(new IpWildcard("3.0.0.0")));
    NodJob nodJob = getNodJob(headerSpace, false);
    Context z3Context = new Context();
    Status status = nodJob.computeNodSat(System.currentTimeMillis(), z3Context);
    assertThat(status, equalTo(Status.UNSATISFIABLE));
}
Also used : IpWildcard(org.batfish.datamodel.IpWildcard) Context(com.microsoft.z3.Context) Status(com.microsoft.z3.Status) HeaderSpace(org.batfish.datamodel.HeaderSpace) Test(org.junit.Test)

Example 63 with Context

use of org.eclipse.jst.server.tomcat.core.internal.xml.server32.Context in project batfish by batfish.

the class NodJobTest method testNatted.

/**
 * Test that traffic originating from 3.0.0.0 is NATed
 */
@Test
public void testNatted() {
    HeaderSpace headerSpace = new HeaderSpace();
    headerSpace.setSrcIps(ImmutableList.of(new IpWildcard("3.0.0.0")));
    NodJob nodJob = getNodJob(headerSpace);
    Context z3Context = new Context();
    SmtInput smtInput = nodJob.computeSmtInput(System.currentTimeMillis(), z3Context);
    Map<OriginateVrf, Map<String, Long>> fieldConstraintsByOriginateVrf = nodJob.getOriginateVrfConstraints(z3Context, smtInput);
    assertThat(fieldConstraintsByOriginateVrf.entrySet(), hasSize(1));
    assertThat(fieldConstraintsByOriginateVrf, hasKey(_originateVrf));
    Map<String, Long> fieldConstraints = fieldConstraintsByOriginateVrf.get(_originateVrf);
    // Only one OriginateVrf choice, so this must be 0
    assertThat(fieldConstraints, hasEntry(OriginateVrfInstrumentation.ORIGINATE_VRF_FIELD_NAME, new Long(0)));
    assertThat(fieldConstraints, hasEntry(BasicHeaderField.ORIG_SRC_IP.getName(), new Ip("3.0.0.0").asLong()));
    assertThat(fieldConstraints, hasEntry(equalTo(BasicHeaderField.SRC_IP.getName()), not(equalTo(new Ip("3.0.0.0").asLong()))));
    assertThat(fieldConstraints, hasEntry(BasicHeaderField.SRC_IP.getName(), new Ip("1.0.0.10").asLong()));
    Set<Flow> flows = nodJob.getFlows(fieldConstraintsByOriginateVrf);
    _bdpDataPlanePlugin.processFlows(flows, _dataPlane);
    List<FlowTrace> flowTraces = _bdpDataPlanePlugin.getHistoryFlowTraces(_dataPlane);
    flowTraces.forEach(trace -> {
        assertThat(trace.getNotes(), is("ACCEPTED"));
        List<FlowTraceHop> hops = trace.getHops();
        assertThat(hops, hasSize(1));
        FlowTraceHop hop = hops.get(0);
        assertThat(hop.getTransformedFlow(), notNullValue());
        assertThat(hop.getTransformedFlow().getSrcIp(), equalTo(new Ip("1.0.0.10")));
    });
}
Also used : Context(com.microsoft.z3.Context) Ip(org.batfish.datamodel.Ip) HeaderSpace(org.batfish.datamodel.HeaderSpace) OriginateVrf(org.batfish.z3.state.OriginateVrf) Flow(org.batfish.datamodel.Flow) IpWildcard(org.batfish.datamodel.IpWildcard) FlowTraceHop(org.batfish.datamodel.FlowTraceHop) FlowTrace(org.batfish.datamodel.FlowTrace) Map(java.util.Map) ImmutableMap(com.google.common.collect.ImmutableMap) SortedMap(java.util.SortedMap) ImmutableSortedMap(com.google.common.collect.ImmutableSortedMap) Test(org.junit.Test)

Example 64 with Context

use of org.eclipse.jst.server.tomcat.core.internal.xml.server32.Context in project batfish by batfish.

the class BoolExprTransformer method visitBasicRuleStatement.

@Override
public BoolExpr visitBasicRuleStatement(BasicRuleStatement basicRuleStatement) {
    Context ctx = _nodContext.getContext();
    ImmutableList.Builder<BoolExpr> preconditions = ImmutableList.<BoolExpr>builder().add(toBoolExpr(basicRuleStatement.getPreconditionStateIndependentConstraints(), _input, _nodContext));
    basicRuleStatement.getPreconditionStates().stream().map(preconditionState -> toBoolExpr(preconditionState, _input, _nodContext)).forEach(preconditions::add);
    return ctx.mkImplies(ctx.mkAnd(preconditions.build().stream().toArray(BoolExpr[]::new)), toBoolExpr(basicRuleStatement.getPostconditionState(), _input, _nodContext));
}
Also used : Context(com.microsoft.z3.Context) NodContext(org.batfish.z3.NodContext) Statement(org.batfish.z3.expr.Statement) Arrays(java.util.Arrays) PrefixMatchExpr(org.batfish.z3.expr.PrefixMatchExpr) TransformationHeaderField(org.batfish.z3.TransformationHeaderField) OrExpr(org.batfish.z3.expr.OrExpr) TrueExpr(org.batfish.z3.expr.TrueExpr) Context(com.microsoft.z3.Context) SynthesizerInput(org.batfish.z3.SynthesizerInput) TransformationRuleStatement(org.batfish.z3.expr.TransformationRuleStatement) GenericStatementVisitor(org.batfish.z3.expr.GenericStatementVisitor) ImmutableList(com.google.common.collect.ImmutableList) Map(java.util.Map) BoolExpr(com.microsoft.z3.BoolExpr) StateExpr(org.batfish.z3.expr.StateExpr) HeaderSpaceMatchExpr(org.batfish.z3.expr.HeaderSpaceMatchExpr) Parameterizer(org.batfish.z3.state.visitors.Parameterizer) IfExpr(org.batfish.z3.expr.IfExpr) BooleanExpr(org.batfish.z3.expr.BooleanExpr) FalseExpr(org.batfish.z3.expr.FalseExpr) ImmutableMap(com.google.common.collect.ImmutableMap) IpSpaceMatchExpr(org.batfish.z3.expr.IpSpaceMatchExpr) IfThenElse(org.batfish.z3.expr.IfThenElse) Set(java.util.Set) NotExpr(org.batfish.z3.expr.NotExpr) Comment(org.batfish.z3.expr.Comment) BasicRuleStatement(org.batfish.z3.expr.BasicRuleStatement) SaneExpr(org.batfish.z3.expr.SaneExpr) AndExpr(org.batfish.z3.expr.AndExpr) NodContext(org.batfish.z3.NodContext) CurrentIsOriginalExpr(org.batfish.z3.expr.CurrentIsOriginalExpr) EqExpr(org.batfish.z3.expr.EqExpr) Expr(com.microsoft.z3.Expr) QueryStatement(org.batfish.z3.expr.QueryStatement) RangeMatchExpr(org.batfish.z3.expr.RangeMatchExpr) Type(org.batfish.z3.state.StateParameter.Type) BoolExpr(com.microsoft.z3.BoolExpr) ImmutableList(com.google.common.collect.ImmutableList)

Example 65 with Context

use of org.eclipse.jst.server.tomcat.core.internal.xml.server32.Context in project kie-wb-common by kiegroup.

the class DMNMarshallerTest method test_wrong_context.

@Test
public void test_wrong_context() throws IOException {
    // DROOLS-2217
    // SPECIAL CASE: to represent a partially edited DMN file.
    // consider a LiteralExpression with null text as missing expression altogether.
    final DMNRuntime runtime = roundTripUnmarshalMarshalThenUnmarshalDMN(this.getClass().getResourceAsStream("/wrong_context.dmn"));
    DMNModel dmnModel = runtime.getModels().get(0);
    // the DMN file is schema valid but is not a valid-DMN (a context-entry value is a literal expression missing text, which is null)
    assertTrue(dmnModel.hasErrors());
    // identify the error message for context-entry "ciao":
    DMNMessage m0 = dmnModel.getMessages(DMNMessage.Severity.ERROR).get(0);
    assertTrue("expected a message identifying the problem on a context entry for 'ciao'", m0.getMessage().startsWith("No expression defined for name 'ciao'"));
    DecisionNode d0 = dmnModel.getDecisionById("_653b3426-933a-4050-9568-ab2a66b43c36");
    // the identified DMN Decision is composed of a DMN Context where the first context-entry value is a literal expression missing text (text is null).
    org.kie.dmn.model.v1_1.Context d0c = (org.kie.dmn.model.v1_1.Context) d0.getDecision().getExpression();
    org.kie.dmn.model.v1_1.Expression contextEntryValue = d0c.getContextEntry().get(0).getExpression();
    assertTrue(contextEntryValue instanceof org.kie.dmn.model.v1_1.LiteralExpression);
    assertEquals(null, ((org.kie.dmn.model.v1_1.LiteralExpression) contextEntryValue).getText());
    // -- Stunner side.
    DMNMarshaller m = new DMNMarshaller(new XMLEncoderDiagramMetadataMarshaller(), applicationFactoryManager);
    Graph<?, ?> g = m.unmarshall(null, this.getClass().getResourceAsStream("/wrong_context.dmn"));
    DiagramImpl diagram = new DiagramImpl("", null);
    Node<?, ?> decisionNode = g.getNode("_653b3426-933a-4050-9568-ab2a66b43c36");
    assertNodeContentDefinitionIs(decisionNode, Decision.class);
    View<Decision> view = ((View<Decision>) decisionNode.getContent());
    // the identified DMN Decision is composed of a DMN Context where the first context-entry has missing Expression.
    Context expression = (Context) view.getDefinition().getExpression();
    assertEquals("a literalexpression with null text is threated as a missing expression altogether.", null, expression.getContextEntry().get(0).getExpression());
}
Also used : Context(org.kie.workbench.common.dmn.api.definition.v1_1.Context) DMNContext(org.kie.dmn.api.core.DMNContext) DiagramImpl(org.kie.workbench.common.stunner.core.diagram.DiagramImpl) DecisionNode(org.kie.dmn.api.core.ast.DecisionNode) DMNRuntime(org.kie.dmn.api.core.DMNRuntime) Decision(org.kie.workbench.common.dmn.api.definition.v1_1.Decision) DMNMessage(org.kie.dmn.api.core.DMNMessage) XMLEncoderDiagramMetadataMarshaller(org.kie.workbench.common.stunner.core.backend.service.XMLEncoderDiagramMetadataMarshaller) DMNModel(org.kie.dmn.api.core.DMNModel) Test(org.junit.Test)

Aggregations

Context (org.eclipse.jst.server.tomcat.core.internal.xml.server40.Context)58 Context (com.microsoft.z3.Context)36 CoreException (org.eclipse.core.runtime.CoreException)34 Test (org.junit.Test)24 BoolExpr (com.microsoft.z3.BoolExpr)23 List (java.util.List)20 IOException (java.io.IOException)18 ServerInstance (org.eclipse.jst.server.tomcat.core.internal.xml.server40.ServerInstance)17 Context (org.kie.workbench.common.dmn.api.definition.v1_1.Context)17 HashMap (java.util.HashMap)16 Map (java.util.Map)14 File (java.io.File)13 ArrayList (java.util.ArrayList)13 Solver (com.microsoft.z3.Solver)12 Status (com.microsoft.z3.Status)12 IPath (org.eclipse.core.runtime.IPath)11 IStatus (org.eclipse.core.runtime.IStatus)11 Status (org.eclipse.core.runtime.Status)11 Factory (org.eclipse.jst.server.tomcat.core.internal.xml.Factory)11 Z3Exception (com.microsoft.z3.Z3Exception)9