BuildPlan plan = calculateLifecycleMappings(projects, "all");
        assertNotNull(plan);
        assertIsSuccessor(plan.requiredStep(p, "before:all"), plan.requiredStep(p, "before:each"));
        assertIsSuccessor(plan.requiredStep(p, "before:all"), plan.requiredStep(c1, "before:all"));
        assertIsSuccessor(plan.requiredStep(p, "before:all"), plan.requiredStep(c2, "before:all"));

{* ../../docs_src/background_tasks/tutorial002.py hl[13,15,22,25] *}

Dans cet exemple, les messages seront écrits dans le fichier `log.txt` après que la réponse soit envoyée.

S'il y avait une `query` (paramètre nommé `q`) dans la requête, alors elle sera écrite dans `log.txt` via une tâche d'arrière-plan.

                plan.then(segment);
            }

            // Create plan, setup and teardown
            for (MavenProject project : plan.getAllProjects().keySet()) {
                BuildStep pplan = new BuildStep(PLAN, project, null);
                pplan.status.set(PLANNING); // the plan step always need planning

        // There is only a single threadsafe plugin here...
        assertEquals(plan.size() - 1, unSafePlugins.size());
    }

    @Test
    void testFindLastWhenFirst() throws Exception {
        MavenExecutionPlan plan = LifecycleExecutionPlanCalculatorStub.getProjectAExecutionPlan();

        ExecutionPlanItem beerPhase = plan.findLastInPhase(

        final BuilderCommon builderCommon = getBuilderCommon(logger);
        final MavenExecutionPlan plan =
                builderCommon.resolveBuildPlan(session1, ProjectDependencyGraphStub.A, taskSegment1, new HashSet<>());
        assertEquals(
                LifecycleExecutionPlanCalculatorStub.getProjectAExecutionPlan().size(), plan.size());
    }

    @Test
    void testDefaultBindingPluginsWarning() throws Exception {

    public void writePlan(BuildPlan plan) {
        if (logger.isDebugEnabled()) {
            writePlan(logger::debug, plan);
        }
    }

    public void writePlan(BuildPlan plan, MavenProject project) {
        if (logger.isDebugEnabled()) {
            writePlan(logger::debug, plan, project);
        }
    }

    public void writePlan(Consumer<String> writer, BuildPlan plan) {

        return plan.keySet().stream();
    }

    public void addProject(MavenProject project, Map<String, BuildStep> steps) {
        plan.put(project, steps);
    }

    public void addStep(MavenProject project, String name, BuildStep step) {
        plan.get(project).put(name, step);
    }

    public Stream<BuildStep> allSteps() {
        return plan.values().stream().flatMap(m -> m.values().stream());

    public static final int SCHEDULED = 2;
    public static final int EXECUTED = 3;
    public static final int FAILED = 4;
    public static final int SKIPPED = 5;

    public static final String PLAN = "$plan$";
    public static final String SETUP = "$setup$";
    public static final String TEARDOWN = "$teardown$";

    @Nonnull
    final MavenProject project;

    @Nonnull
    final String name;

    void testObserveExecution() throws Exception {
        PhaseRecorder phaseRecorder = new PhaseRecorder(ProjectDependencyGraphStub.A);
        MavenExecutionPlan plan = LifecycleExecutionPlanCalculatorStub.getProjectAExecutionPlan();
        final List<MojoExecution> executions = plan.getMojoExecutions();

        final MojoExecution mojoExecution1 = executions.get(0);
        final MojoExecution mojoExecution2 = executions.get(1);

                        "surefire:test",
                        "jar:jar",
                        "install:install"),
                executionPlan.stream()
                        .map(plan -> plan.getMojoDescriptor().getFullGoalName())
                        .toList());
    }

    // We need to take in multiple lifecycles
    @Test