@Override public PDone expand(PBegin begin) { PCollection<Boolean> result = begin .apply( Create.of(DUMMY_ROW) .withSchema( DUMMY_SCHEMA, SerializableFunctions.identity(), SerializableFunctions.identity())) .apply(SqlTransform.query("SELECT " + expr)) .apply(MapElements.into(TypeDescriptors.booleans()).via(row -> row.getBoolean(0))); PAssert.that(result) .satisfies( input -> { assertTrue("Test expression is false: " + expr, Iterables.getOnlyElement(input)); return null; }); return PDone.in(begin.getPipeline()); } }
@Test public void testPrimitiveTypeToJavaType() { assertEquals( TypeDescriptors.bytes(), FieldTypeDescriptors.javaTypeForFieldType(FieldType.BYTE)); assertEquals( TypeDescriptors.shorts(), FieldTypeDescriptors.javaTypeForFieldType(FieldType.INT16)); assertEquals( TypeDescriptors.integers(), FieldTypeDescriptors.javaTypeForFieldType(FieldType.INT32)); assertEquals( TypeDescriptors.longs(), FieldTypeDescriptors.javaTypeForFieldType(FieldType.INT64)); assertEquals( TypeDescriptors.bigdecimals(), FieldTypeDescriptors.javaTypeForFieldType(FieldType.DECIMAL)); assertEquals( TypeDescriptors.floats(), FieldTypeDescriptors.javaTypeForFieldType(FieldType.FLOAT)); assertEquals( TypeDescriptors.doubles(), FieldTypeDescriptors.javaTypeForFieldType(FieldType.DOUBLE)); assertEquals( TypeDescriptors.strings(), FieldTypeDescriptors.javaTypeForFieldType(FieldType.STRING)); assertEquals( TypeDescriptor.of(Instant.class), FieldTypeDescriptors.javaTypeForFieldType(FieldType.DATETIME)); assertEquals( TypeDescriptors.booleans(), FieldTypeDescriptors.javaTypeForFieldType(FieldType.BOOLEAN)); assertEquals( TypeDescriptor.of(byte[].class), FieldTypeDescriptors.javaTypeForFieldType(FieldType.BYTES)); }
@Test public void testPrimitiveTypeToFieldType() { assertEquals( FieldType.BYTE, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptors.bytes())); assertEquals( FieldType.INT16, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptors.shorts())); assertEquals( FieldType.INT32, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptors.integers())); assertEquals( FieldType.INT64, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptors.longs())); assertEquals( FieldType.DECIMAL, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptors.bigdecimals())); assertEquals( FieldType.FLOAT, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptors.floats())); assertEquals( FieldType.DOUBLE, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptors.doubles())); assertEquals( FieldType.STRING, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptors.strings())); assertEquals( FieldType.DATETIME, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptor.of(Instant.class))); assertEquals( FieldType.BOOLEAN, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptors.booleans())); assertEquals( FieldType.BYTES, FieldTypeDescriptors.fieldTypeForJavaType(TypeDescriptor.of(byte[].class))); }