Examples with DatasetMeta io.cdap.cdap.proto.DatasetMeta used on opensource projects

Example 11 with DatasetMeta

use of io.cdap.cdap.proto.DatasetMeta in project cdap by caskdata.

the class DatasetInstanceHandlerTest method testBasics.

@Test
public void testBasics() throws Exception {
    // nothing has been created, modules and types list is empty
    List<DatasetSpecificationSummary> instances = getInstances().getResponseObject();
    // nothing in the beginning
    Assert.assertEquals(0, instances.size());
    try {
        // create dataset instance with type that is not yet known to the system should fail
        DatasetProperties props = DatasetProperties.builder().add("prop1", "val1").build();
        Assert.assertEquals(HttpStatus.SC_NOT_FOUND, createInstance("dataset1", "datasetType2", props).getResponseCode());
        // deploy modules
        deployModule("module1", TestModule1.class);
        deployModule("module2", TestModule2.class);
        // create dataset instance
        String description = "test instance description";
        HttpResponse response = createInstance("dataset1", "datasetType2", description, props);
        Assert.assertEquals(HttpStatus.SC_OK, response.getResponseCode());
        // verify module cannot be deleted which type is used for the dataset
        int modulesBeforeDelete = getModules().getResponseObject().size();
        Assert.assertEquals(HttpStatus.SC_CONFLICT, deleteModule("module2").getResponseCode());
        Assert.assertEquals(HttpStatus.SC_CONFLICT, deleteModules().getResponseCode());
        Assert.assertEquals(modulesBeforeDelete, getModules().getResponseObject().size());
        // Verify that dataset instance can be retrieved using specified properties
        Map<String, String> properties = new HashMap<>(props.getProperties());
        instances = getInstancesWithProperties(NamespaceId.DEFAULT.getNamespace(), properties).getResponseObject();
        Assert.assertEquals(1, instances.size());
        properties.put("some_prop_not_associated_with_dataset", "somevalue");
        instances = getInstancesWithProperties(NamespaceId.DEFAULT.getNamespace(), properties).getResponseObject();
        Assert.assertEquals(0, instances.size());
        // verify instance was created
        instances = getInstances().getResponseObject();
        Assert.assertEquals(1, instances.size());
        // verifying spec is same as expected
        DatasetSpecification dataset1Spec = createType2Spec("dataset1", "datasetType2", description, props);
        Assert.assertEquals(spec2Summary(dataset1Spec), instances.get(0));
        // verify created instance info can be retrieved
        DatasetMeta datasetInfo = getInstanceObject("dataset1").getResponseObject();
        Assert.assertEquals(dataset1Spec, datasetInfo.getSpec());
        Assert.assertEquals(dataset1Spec.getType(), datasetInfo.getType().getName());
        // type meta should have 2 modules that has to be loaded to create type's class
        // and in the order they must be loaded
        List<DatasetModuleMeta> modules = datasetInfo.getType().getModules();
        Assert.assertEquals(2, modules.size());
        DatasetTypeHandlerTest.verify(modules.get(0), "module1", TestModule1.class, ImmutableList.of("datasetType1"), Collections.emptyList(), ImmutableList.of("module2"));
        DatasetTypeHandlerTest.verify(modules.get(1), "module2", TestModule2.class, ImmutableList.of("datasetType2"), ImmutableList.of("module1"), Collections.emptyList());
        // try to retrieve non-existed instance
        Assert.assertEquals(HttpStatus.SC_NOT_FOUND, getInstance("non-existing-dataset").getResponseCode());
        // cannot create instance with same name again
        Assert.assertEquals(HttpStatus.SC_CONFLICT, createInstance("dataset1", "datasetType2", props).getResponseCode());
        Assert.assertEquals(1, getInstances().getResponseObject().size());
        // cannot delete non-existing dataset instance
        Assert.assertEquals(HttpStatus.SC_NOT_FOUND, deleteInstance("non-existing-dataset").getResponseCode());
        Assert.assertEquals(1, getInstances().getResponseObject().size());
        // verify creation of dataset instance with null properties
        Assert.assertEquals(HttpStatus.SC_OK, createInstance("nullPropertiesTable", "datasetType2").getResponseCode());
        // since dataset instance description is not provided, we are using the description given by the dataset type
        DatasetSpecification nullPropertiesTableSpec = createType2Spec("nullPropertiesTable", "datasetType2", TestModule2.DESCRIPTION, DatasetProperties.EMPTY);
        DatasetSpecificationSummary actualSummary = getSummaryForInstance("nullPropertiesTable", getInstances().getResponseObject());
        Assert.assertEquals(spec2Summary(nullPropertiesTableSpec), actualSummary);
        // delete dataset instance
        Assert.assertEquals(HttpStatus.SC_OK, deleteInstance("dataset1").getResponseCode());
        Assert.assertEquals(HttpStatus.SC_OK, deleteInstance("nullPropertiesTable").getResponseCode());
        Assert.assertEquals(0, getInstances().getResponseObject().size());
        // create workflow local dataset instance
        DatasetProperties localDSProperties = DatasetProperties.builder().add("prop1", "val1").add(Constants.AppFabric.WORKFLOW_LOCAL_DATASET_PROPERTY, "true").build();
        Assert.assertEquals(HttpStatus.SC_OK, createInstance("localDSInstance", "datasetType2", localDSProperties).getResponseCode());
        // getInstances call should still return 0
        Assert.assertEquals(0, getInstances().getResponseObject().size());
        Assert.assertEquals(HttpStatus.SC_OK, deleteInstance("localDSInstance").getResponseCode());
        // delete dataset modules
        Assert.assertEquals(HttpStatus.SC_OK, deleteModule("module2").getResponseCode());
        Assert.assertEquals(HttpStatus.SC_OK, deleteModule("module1").getResponseCode());
    } finally {
        deleteInstance("dataset1");
        deleteInstance("nullPropertiesTable");
        deleteInstance("localDSInstance");
        deleteModule("module2");
        deleteModule("module1");
    }
}

Example 12 with DatasetMeta

use of io.cdap.cdap.proto.DatasetMeta in project cdap by caskdata.

the class DatasetInstanceServiceTest method testInstanceMetaCache.

@Test
public void testInstanceMetaCache() throws Exception {
    // deploy a dataset
    instanceService.create(NamespaceId.DEFAULT.getEntityName(), "testds", new DatasetInstanceConfiguration("table", new HashMap<>()));
    // get the dataset meta for two different owners, assert it is the same
    DatasetMeta meta = instanceService.get(NamespaceId.DEFAULT.dataset("testds"));
    DatasetMeta met2 = instanceService.get(NamespaceId.DEFAULT.dataset("testds"));
    Assert.assertSame(meta, met2);
    // update the dataset
    instanceService.update(NamespaceId.DEFAULT.dataset("testds"), ImmutableMap.of("ttl", "12345678"));
    // get the dataset meta, validate it changed
    met2 = instanceService.get(NamespaceId.DEFAULT.dataset("testds"));
    Assert.assertNotSame(meta, met2);
    Assert.assertEquals("12345678", met2.getSpec().getProperty("ttl"));
    // delete the dataset
    instanceService.drop(NamespaceId.DEFAULT.dataset("testds"));
    // get the dataset meta, validate not found
    try {
        instanceService.get(NamespaceId.DEFAULT.dataset("testds"));
        Assert.fail("get() should have thrown NotFoundException");
    } catch (NotFoundException e) {
    // expected
    }
    // recreate the dataset
    instanceService.create(NamespaceId.DEFAULT.getNamespace(), "testds", new DatasetInstanceConfiguration("table", new HashMap<>()));
    // get the dataset meta, validate it is up to date
    met2 = instanceService.get(NamespaceId.DEFAULT.dataset("testds"));
    Assert.assertEquals(meta.getSpec(), met2.getSpec());
}