Examples with StreamLookupStepNode org.pentaho.metaverse.frames.StreamLookupStepNode used on opensource projects

Example 1 with StreamLookupStepNode

use of org.pentaho.metaverse.frames.StreamLookupStepNode in project pentaho-metaverse by pentaho.

the class MetaverseValidationIT method testStreamLookupStepNode.

@Test
public void testStreamLookupStepNode() throws Exception {
    StreamLookupStepNode node = root.getStreamLookupStepNode();
    assertEquals(6, getIterableSize(node.getInputStreamFields()));
    assertEquals(3, getIterableSize(node.getStreamFieldNodesUses()));
    assertEquals(5, getIterableSize(node.getOutputStreamFields()));
    List<String> expectations = new ArrayList<>();
    expectations.add("territory");
    expectations.add("country_ref");
    Iterator<StreamFieldNode> iter1 = node.getOutputStreamFields().iterator();
    while (iter1.hasNext()) {
        StreamFieldNode outField = iter1.next();
        if (expectations.contains(outField.getName())) {
            assertEquals(1, getIterableSize(outField.getFieldNodesThatDeriveMe()));
            Iterator<StreamFieldNode> iter2 = outField.getFieldNodesThatDeriveMe().iterator();
            while (iter2.hasNext()) {
                StreamFieldNode derivedFromNode = iter2.next();
                assertTrue(expectations.contains(derivedFromNode.getName()));
            }
        }
    }
    iter1 = node.getStreamFieldNodesUses().iterator();
    while (iter1.hasNext()) {
        StreamFieldNode usesNode = iter1.next();
        if (usesNode.getName().equals("country_code") || usesNode.getName().equals("country_code")) {
            assertEquals(1, getIterableSize(usesNode.getFieldNodesThatJoinToMe()));
            StreamFieldNode joinField = usesNode.getFieldNodesThatJoinToMe().iterator().next();
            if (usesNode.getName().equals("country_code")) {
                assertEquals("code", joinField.getName());
            } else {
                assertEquals("country_code", joinField.getName());
            }
        }
    }
}