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add test for empty result set

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This commit is contained in:
Liu 2017-11-02 16:17:01 +08:00
parent 4596470051
commit 85b6424aa5
1 changed files with 24 additions and 0 deletions
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kylin/src/test/java/org/apache/zeppelin/kylin/KylinInterpreterTest.java
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@ -108,6 +108,30 @@ public class KylinInterpreterTest {
Assert.assertEquals(expected, actual);
}
@Test
public void testParseEmptyResult() {
String msg = "{\"columnMetas\":[{\"isNullable\":1,\"displaySize\":256,\"label\":\"COUNTRY\",\"name\":\"COUNTRY\","
+ "\"schemaName\":\"DEFAULT\",\"catelogName\":null,\"tableName\":\"SALES_TABLE\",\"precision\":256,"
+ "\"scale\":0,\"columnType\":12,\"columnTypeName\":\"VARCHAR\",\"writable\":false,\"readOnly\":true,"
+ "\"definitelyWritable\":false,\"autoIncrement\":false,\"caseSensitive\":true,\"searchable\":false,"
+ "\"currency\":false,\"signed\":true},{\"isNullable\":1,\"displaySize\":256,\"label\":\"CURRENCY\","
+ "\"name\":\"CURRENCY\",\"schemaName\":\"DEFAULT\",\"catelogName\":null,\"tableName\":\"SALES_TABLE\","
+ "\"precision\":256,\"scale\":0,\"columnType\":12,\"columnTypeName\":\"VARCHAR\",\"writable\":false,"
+ "\"readOnly\":true,\"definitelyWritable\":false,\"autoIncrement\":false,\"caseSensitive\":true,"
+ "\"searchable\":false,\"currency\":false,\"signed\":true},{\"isNullable\":0,\"displaySize\":19,"
+ "\"label\":\"COUNT__\",\"name\":\"COUNT__\",\"schemaName\":\"DEFAULT\",\"catelogName\":null,"
+ "\"tableName\":\"SALES_TABLE\",\"precision\":19,\"scale\":0,\"columnType\":-5,\"columnTypeName\":"
+ "\"BIGINT\",\"writable\":false,\"readOnly\":true,\"definitelyWritable\":false,\"autoIncrement\":false,"
+ "\"caseSensitive\":true,\"searchable\":false,\"currency\":false,\"signed\":true}],\"results\":"
+ "[]," + "\"cube\":\"Sample_Cube\",\"affectedRowCount\":0,\"isException\":false,\"exceptionMessage\":null,"
+ "\"duration\":134,\"totalScanCount\":1,\"hitExceptionCache\":false,\"storageCacheUsed\":false,"
+ "\"partial\":false}";
String expected="%table COUNTRY \tCURRENCY \tCOUNT__ \t \n";
KylinInterpreter t = new MockKylinInterpreter(getDefaultProperties());
String actual = t.formatResult(msg);
Assert.assertEquals(expected, actual);
}
private Properties getDefaultProperties() {
Properties prop = new Properties();
prop.put("kylin.api.username", "ADMIN");