ViewResultTest.java

package org.ektorp;

import static org.junit.Assert.*;

import java.io.InputStream;
import java.util.*;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.MissingNode;

import org.apache.commons.io.IOUtils;
import org.junit.*;

public class ViewResultTest {

    ObjectMapper om = new ObjectMapper();

    @Test
    public void fromJson() throws Exception {
        ViewResult result = readResult("impl/view_result.json");
        assertEquals(2, result.getSize());
        assertEquals(1, result.getOffset());
        List<ViewResult.Row> rows = result.getRows();
        assertEquals("doc_id1", rows.get(0).getId());
        assertEquals("key_value", rows.get(0).getKey());
        assertEquals("doc_value1", rows.get(0).getValue());

        assertEquals("doc_id2", rows.get(1).getId());
        assertEquals("key_value", rows.get(1).getKey());
        assertEquals("doc_value2", rows.get(1).getValue());

        assertNull(rows.get(0).getDoc());
        assertTrue(rows.get(0).getDocAsNode().isMissingNode());
    }

    @Test
    public void test_read_reduce_result() throws Exception {
        ViewResult result = readResult("impl/reduce_view_result.json");
        assertEquals(3, result.getSize());
        List<ViewResult.Row> rows = result.getRows();
        assertEquals(4, rows.get(0).getValueAsInt());
        assertEquals(5, rows.get(1).getValueAsInt());
        assertEquals(6, rows.get(2).getValueAsInt());

    }

    @Test
    public void test_read_grouped_result() throws Exception {
        ViewResult result = readResult("impl/group_view_result.json");
        assertEquals(2, result.getSize());
        List<ViewResult.Row> rows = result.getRows();
        
        assertEquals(null, rows.get(0).getIdAsNode().textValue());

        assertEquals(null, rows.get(0).getId());
        assertEquals("h", rows.get(0).getKey());
        assertEquals(2, rows.get(0).getValueAsInt());

        assertEquals(null, rows.get(0).getId());
        assertEquals("m", rows.get(1).getKey());
        assertEquals(1, rows.get(1).getValueAsInt());

    }

    @Test
    public void int_view_result() throws Exception {

        ViewResult result = readResult("impl/int_view_result.json");
        assertEquals(2, result.getSize());
        List<ViewResult.Row> rows = result.getRows();
        assertEquals(123, rows.get(0).getValueAsInt());
        assertEquals(321, rows.get(1).getValueAsInt());
    }

    @Test
    public void array_and_object_view_result() throws Exception {
        ViewResult result = readResult("impl/array_and_object_view_result.json");
        assertEquals(2, result.getSize());
        List<ViewResult.Row> rows = result.getRows();
        assertEquals("[\"foo\",\"bar\"]", rows.get(0).getValue());
        assertEquals("{\"foo\":\"bar\"}", rows.get(1).getValue());
    }

    @Test
    public void view_result_with_doc_field() throws Exception {
        ViewResult result = readResult("impl/view_result_with_included_docs.json");
        assertEquals(2, result.getSize());
        List<ViewResult.Row> rows = result.getRows();
        assertEquals("doc_id1", rows.get(0).getDocAsNode().get("_id").textValue());
        assertEquals("doc_id2", rows.get(1).getDocAsNode().get("_id").textValue());
    }

    @Test
    public void complex_key_view_result() throws Exception {
        ViewResult result = readResult("impl/complex_key_view_result.json");
        assertEquals(2, result.getSize());
        List<ViewResult.Row> rows = result.getRows();
        String expectedKey = "[1337,\"key\"]";
        assertEquals(expectedKey, rows.get(0).getKey());
        assertEquals(expectedKey, rows.get(1).getKey());
    }

    @Test(expected = ViewResultException.class)
    public void view_result_with_error_row() throws Exception {
        readResult("impl/view_result_with_error.json");
    }

    @Test
    public void error_field_in_result_docment_should_not_cause_exception() throws Exception {
        ViewResult result = null;
        try {
            result = readResult("impl/view_result_with_nested_error.json");
        } catch (ViewResultException e) {
            fail("nested error field should cause ViewResultException");
        }
        assertEquals(2, result.getSize());
    }

    @Test
    public void int_update_seq_view_result() throws Exception {

        ViewResult result = readResult("impl/view_result_with_int_update_seq.json");
        assertTrue(result.isUpdateSeqNumeric());
        assertEquals(1234, result.getUpdateSeq());
        assertEquals("1234", result.getUpdateSeqAsString());
    }

    @Test
    public void string_update_seq_view_result() throws Exception {

        ViewResult result = readResult("impl/view_result_with_string_update_seq.json");
        assertFalse(result.isUpdateSeqNumeric());
        assertEquals("1234-abc", result.getUpdateSeqAsString());
    }

    private ViewResult readResult(String path) throws Exception {
        InputStream resourceAsStream = null;
        try {
            resourceAsStream = getClass().getResourceAsStream(path);
            return new ViewResult(om.readTree(resourceAsStream), false);
        } finally {
            IOUtils.closeQuietly(resourceAsStream);
        }
    }
}