assertNull(artifact.getVersion());
        assertNull(artifact.getBaseVersion());
    }

    @Test
    void testMNG7780() throws Exception {
        VersionRange vr = VersionRange.createFromVersionSpec("[1.0,2.0)");
        artifact = new DefaultArtifact(groupId, artifactId, vr, scope, type, null, artifactHandler);
        assertNull(artifact.getVersion());
        assertNull(artifact.getBaseVersion());

                .version("1.0")
                .build();

        assertNotNull(this.newModelResolver().resolveModel(parent, new AtomicReference<>()));
        assertEquals("1.0", parent.getVersion());
    }

    @Test
    void testResolveParentSuccessfullyResolvesExistingParentUsingHighestVersion() throws Exception {
        final Parent parent = Parent.newBuilder()
                .groupId("ut.simple")

                boolean exists = installed.stream().map(this::getArtifactFromMap)
                        .anyMatch(a -> a.getName().equals(target.getName()) && a.getVersion().equals(target.getVersion()));
                if (!exists) {
                    ThreadUtil.sleep(500);
                    continue;
                }

        clone.setRelease(artifact.isRelease());
        clone.setResolvedVersion(artifact.getVersion());
        clone.setResolved(artifact.isResolved());
        clone.setFile(artifact.getFile());

        clone.setAvailableVersions(copyList(artifact.getAvailableVersions()));
        if (artifact.getVersion() != null) {
            clone.setBaseVersion(artifact.getBaseVersion());
        }

    }

    public String getExpandedVersion(Artifact artifact) {
        String key = getKey(artifact.getClassifier(), artifact.getExtension());
        return versions.get(key).getVersion();
    }

    @Override
    protected void merge(Metadata recessive) {
        Snapshot snapshot;
        String lastUpdated;

        if (metadata.getVersioning() == null) {

        // TODO Should this be changed for MNG-6754 too?
        versioning.updateTimestamp();
        versioning.addVersion(artifact.getVersion());

        if (artifact.isRelease()) {
            versioning.setRelease(artifact.getVersion());
        }

        return new ArtifactRepositoryMetadata(artifact, versioning);
    }

    @Override

        Artifact artifact = new DefaultArtifact(
                dependency.getGroupId(),
                dependency.getArtifactId(),
                dependency.getVersion(),
                dependency.getScope(),
                dependency.getType(),
                dependency.getClassifier(),
                new TestArtifactHandler(dependency.getType()));

    public ArtifactNotFoundException(String message, Artifact artifact) {
        this(
                message,
                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getVersion(),
                artifact.getType(),
                artifact.getClassifier(),
                null,
                artifact.getDownloadUrl(),
                artifact.getDependencyTrail());
    }

            System.out.println("Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion()
                    + " Optional=" + (artifact.isOptional() ? "true" : "false"));
            assertTrue(
                    artifact.getVersion().equals("1.0"), "Incorrect version for " + artifact.getDependencyConflictId());
        }
    }

        final Map<String, String> item = new HashMap<>();
        item.put("type", artifact.getType().getId());
        item.put("id", artifact.getName() + ":" + artifact.getVersion());
        item.put("name", artifact.getName());
        item.put("version", artifact.getVersion());
        item.put("url", artifact.getUrl());
        return item;
    }

    private Artifact getArtifactFromInstallForm(final InstallForm form) {