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Added unit tests for smartSplit() function

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omkar 2018-10-15 20:55:10 +05:30
parent e23fef8b66
commit ca572a6a2d
1 changed files with 86 additions and 1 deletions
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main/tests/server/src/com/google/refine/tests/expr/functions/strings/SmartSplitTests.java
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@ -1,15 +1,100 @@
package com.google.refine.tests.expr.functions.strings;
import static org.junit.Assert.assertArrayEquals;
import static org.testng.Assert.assertTrue;
import java.util.Properties;
import org.testng.annotations.AfterSuite;
import org.testng.annotations.BeforeSuite;
import org.testng.annotations.Test;
import com.google.refine.expr.EvalError;
import com.google.refine.expr.functions.strings.SmartSplit;
import com.google.refine.grel.ControlFunctionRegistry;
import com.google.refine.grel.Function;
import com.google.refine.tests.util.TestUtils;
public class SmartSplitTests {
private static Properties bindings;
private static String FUNCTION_NAME = "smartSplit";
@BeforeSuite
public void setUp() {
bindings = new Properties();
}
@AfterSuite
public void tearDown() {
bindings = null;
}
@Test
public void testSmartSplitInvalidParams() {
assertTrue(invoke(FUNCTION_NAME) instanceof EvalError);
assertTrue(invoke(FUNCTION_NAME, "teststring1", 1, "teststring2", 2) instanceof EvalError);
}
@Test
public void testSmartSplitGuessComma() {
String testString = "teststring1,teststring2,teststring3,teststring4";
String[] expected = { "teststring1", "teststring2", "teststring3", "teststring4" };
String[] actual = (String[]) invoke(FUNCTION_NAME, testString);
assertArrayEquals(expected, actual);
}
@Test
public void testSmartSplitGuessTab() {
String testString = "teststring1 teststring2 teststring3 teststring4";
String[] expected = { "teststring1", "teststring2", "teststring3", "teststring4" };
String[] actual = (String[]) invoke(FUNCTION_NAME, testString);
assertArrayEquals(expected, actual);
}
@Test
public void testSmartSplitCharSepGiven() {
String testString = "teststring1#teststring2#teststring3#teststring4";
String[] expected = { "teststring1", "teststring2", "teststring3", "teststring4" };
String[] actual = (String[]) invoke(FUNCTION_NAME, testString, '#');
assertArrayEquals(expected, actual);
}
@Test
public void testSmartSplitCharSepSpace() {
String testString = "teststring1 teststring2 teststring3 teststring4";
String[] expected = { "teststring1", "teststring2", "teststring3", "teststring4" };
String[] actual = (String[]) invoke(FUNCTION_NAME, testString, ' ');
assertArrayEquals(expected, actual);
}
@Test
public void testSmartSplitStringSepGiven() {
String testString = "teststring1#@$teststring2#@$teststring3#@$teststring4";
String[] expected = { "teststring1", "teststring2", "teststring3", "teststring4" };
String[] actual = (String[]) invoke(FUNCTION_NAME, testString, "#@$");
assertArrayEquals(expected, actual);
}
/**
* Lookup a control function by name and invoke it with a variable number of
* args
*/
private static Object invoke(String name, Object... args) {
// registry uses static initializer, so no need to set it up
Function function = ControlFunctionRegistry.getFunction(name);
if (function == null) {
throw new IllegalArgumentException("Unknown function " + name);
}
if (args == null) {
return function.call(bindings, new Object[0]);
} else {
return function.call(bindings, args);
}
}
@Test
public void serializeSmartSplit() {
String json = "{\"description\":\"Returns the array of strings obtained by splitting s with separator sep. Handles quotes properly. Guesses tab or comma separator if \\\"sep\\\" is not given.\",\"params\":\"string s, optional string sep\",\"returns\":\"array\"}";
TestUtils.isSerializedTo(new SmartSplit(), json);
}
}
}