Examples with TransformContext io.cdap.cdap.etl.api.TransformContext used on opensource projects

Example 11 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project hydrator-plugins by cdapio.

the class ProjectionTransformTest method testConvertToDouble.

@Test
public void testConvertToDouble() throws Exception {
    ProjectionTransform.ProjectionTransformConfig config = new ProjectionTransform.ProjectionTransformConfig(null, null, "intField:double,longField:double,floatField:double", null);
    Transform<StructuredRecord, StructuredRecord> transform = new ProjectionTransform(config);
    TransformContext transformContext = new MockTransformContext();
    transform.initialize(transformContext);
    MockEmitter<StructuredRecord> emitter = new MockEmitter<>();
    transform.transform(SIMPLE_TYPES_RECORD, emitter);
    StructuredRecord output = emitter.getEmitted().get(0);
    Schema expectedSchema = Schema.recordOf("record.projected", Schema.Field.of("booleanField", Schema.of(Schema.Type.BOOLEAN)), Schema.Field.of("intField", Schema.of(Schema.Type.DOUBLE)), Schema.Field.of("longField", Schema.of(Schema.Type.DOUBLE)), Schema.Field.of("floatField", Schema.of(Schema.Type.DOUBLE)), Schema.Field.of("doubleField", Schema.of(Schema.Type.DOUBLE)), Schema.Field.of("bytesField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("stringField", Schema.of(Schema.Type.STRING)));
    Assert.assertEquals(expectedSchema, output.getSchema());
    Assert.assertTrue((Boolean) output.get("booleanField"));
    Assert.assertEquals(28d, output.get("intField"), 0.0001d);
    Assert.assertEquals(99d, output.get("longField"), 0.0001d);
    Assert.assertTrue(Math.abs(2.71 - (Double) output.get("floatField")) < 0.000001);
    Assert.assertTrue(Math.abs(3.14 - (Double) output.get("doubleField")) < 0.000001);
    Assert.assertArrayEquals(Bytes.toBytes("foo"), (byte[]) output.get("bytesField"));
    Assert.assertEquals("bar", output.get("stringField"));
}

Example 12 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project hydrator-plugins by cdapio.

the class ProjectionTransformTest method testInvalidSyntax.

@Test(expected = IllegalArgumentException.class)
public void testInvalidSyntax() throws Exception {
    ProjectionTransform.ProjectionTransformConfig config = new ProjectionTransform.ProjectionTransformConfig(null, "x,y", null, null);
    Transform<StructuredRecord, StructuredRecord> transform = new ProjectionTransform(config);
    TransformContext transformContext = new MockTransformContext();
    transform.initialize(transformContext);
}

Example 13 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project hydrator-plugins by cdapio.

the class ProjectionTransformTest method testKeepFields.

@Test
public void testKeepFields() throws Exception {
    Schema schema = Schema.recordOf("three", Schema.Field.of("x", Schema.of(Schema.Type.INT)), Schema.Field.of("y", Schema.of(Schema.Type.DOUBLE)), Schema.Field.of("z", Schema.arrayOf(Schema.of(Schema.Type.INT))));
    StructuredRecord input = StructuredRecord.builder(schema).set("x", 1).set("y", 3.14).set("z", new int[] { 1, 2, 3 }).build();
    ProjectionTransform.ProjectionTransformConfig config = new ProjectionTransform.ProjectionTransformConfig(null, null, null, "x");
    Transform<StructuredRecord, StructuredRecord> transform = new ProjectionTransform(config);
    TransformContext transformContext = new MockTransformContext();
    transform.initialize(transformContext);
    MockEmitter<StructuredRecord> emitter = new MockEmitter<>();
    transform.transform(input, emitter);
    StructuredRecord output = emitter.getEmitted().get(0);
    Schema expectedSchema = Schema.recordOf("three.projected", Schema.Field.of("x", Schema.of(Schema.Type.INT)));
    Assert.assertEquals(expectedSchema, output.getSchema());
    Assert.assertEquals(1, output.<Integer>get("x").intValue());
}

Example 14 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project hydrator-plugins by cdapio.

the class ProjectionTransformTest method testConvertToBytes.

@Test
public void testConvertToBytes() throws Exception {
    ProjectionTransform.ProjectionTransformConfig config = new ProjectionTransform.ProjectionTransformConfig(null, null, "booleanField:bytes,intField:bytes,longField:bytes,floatField:bytes," + "doubleField:bytes,bytesField:bytes,stringField:bytes", null);
    Transform<StructuredRecord, StructuredRecord> transform = new ProjectionTransform(config);
    TransformContext transformContext = new MockTransformContext();
    transform.initialize(transformContext);
    MockEmitter<StructuredRecord> emitter = new MockEmitter<>();
    transform.transform(SIMPLE_TYPES_RECORD, emitter);
    StructuredRecord output = emitter.getEmitted().get(0);
    Schema expectedSchema = Schema.recordOf("record.projected", Schema.Field.of("booleanField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("intField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("longField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("floatField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("doubleField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("bytesField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("stringField", Schema.of(Schema.Type.BYTES)));
    Assert.assertEquals(expectedSchema, output.getSchema());
    Assert.assertArrayEquals(Bytes.toBytes(true), (byte[]) output.get("booleanField"));
    Assert.assertArrayEquals(Bytes.toBytes(28), (byte[]) output.get("intField"));
    Assert.assertArrayEquals(Bytes.toBytes(99L), (byte[]) output.get("longField"));
    Assert.assertArrayEquals(Bytes.toBytes(2.71f), (byte[]) output.get("floatField"));
    Assert.assertArrayEquals(Bytes.toBytes(3.14), (byte[]) output.get("doubleField"));
    Assert.assertArrayEquals(Bytes.toBytes("foo"), (byte[]) output.get("bytesField"));
    Assert.assertArrayEquals(Bytes.toBytes("bar"), (byte[]) output.get("stringField"));
}

Example 15 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project hydrator-plugins by cdapio.

the class ProjectionTransformTest method testInvalidConversion.

@Test
public void testInvalidConversion() throws Exception {
    ProjectionTransform.ProjectionTransformConfig config = new ProjectionTransform.ProjectionTransformConfig(null, null, "x:int", null);
    Transform<StructuredRecord, StructuredRecord> transform = new ProjectionTransform(config);
    TransformContext transformContext = new MockTransformContext();
    try {
        transform.initialize(transformContext);
        Schema schema = Schema.recordOf("record", Schema.Field.of("x", Schema.of(Schema.Type.LONG)));
        StructuredRecord input = StructuredRecord.builder(schema).set("x", 5L).build();
        MockEmitter<StructuredRecord> emitter = new MockEmitter<>();
        transform.transform(input, emitter);
        Assert.fail();
    } catch (ValidationException e) {
        Assert.assertEquals(1, e.getFailures().size());
        Assert.assertEquals(1, e.getFailures().get(0).getCauses().size());
        Cause expectedCause = new Cause();
        expectedCause.addAttribute(CauseAttributes.STAGE_CONFIG, ProjectionTransform.ProjectionTransformConfig.CONVERT);
        expectedCause.addAttribute(CauseAttributes.CONFIG_ELEMENT, "x:int");
        expectedCause.addAttribute(STAGE, MOCK_STAGE);
        Assert.assertEquals(expectedCause, e.getFailures().get(0).getCauses().get(0));
    }
}