Some basic type conversion tests
git-svn-id: http://google-refine.googlecode.com/svn/trunk@2456 7d457c2a-affb-35e4-300a-418c747d4874
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/*
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Copyright 2012, Thomas F. Morris
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.google.refine.tests.expr.functions.strings;
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import java.util.GregorianCalendar;
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import java.util.Properties;
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import org.slf4j.LoggerFactory;
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import org.testng.Assert;
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import org.testng.annotations.AfterMethod;
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import org.testng.annotations.BeforeMethod;
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import org.testng.annotations.BeforeTest;
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import org.testng.annotations.Test;
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import com.google.refine.expr.EvalError;
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import com.google.refine.grel.ControlFunctionRegistry;
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import com.google.refine.grel.Function;
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import com.google.refine.tests.RefineTest;
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/**
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* Tests for string up/low/title case functions.
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* (A very brief start so far)
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*
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* @author Tom Morris <tfmorris@gmail.com>
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*/
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public class ToFromConversionTests extends RefineTest {
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private static final double EPSILON = 0.0001;
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static Properties bindings;
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@Override
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@BeforeTest
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public void init() {
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logger = LoggerFactory.getLogger(this.getClass());
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}
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@BeforeMethod
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public void SetUp() {
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bindings = new Properties();
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}
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@AfterMethod
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public void TearDown() {
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bindings = null;
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}
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/**
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* Lookup a control function by name and invoke it with a variable number of args
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*/
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private static Object invoke(String name,Object... args) {
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// registry uses static initializer, so no need to set it up
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Function function = ControlFunctionRegistry.getFunction(name);
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if (function == null) {
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throw new IllegalArgumentException("Unknown function "+name);
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}
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if (args == null) {
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return function.call(bindings,new Object[0]);
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} else {
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return function.call(bindings,args);
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}
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}
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@Test
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public void testFromError() {
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Assert.assertTrue(invoke("fromError") instanceof EvalError);
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Assert.assertTrue(invoke("fromError", (Object)null) instanceof EvalError);
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Assert.assertTrue(invoke("fromError", "string") instanceof EvalError);
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Assert.assertEquals(invoke("fromError", new EvalError("message")),"message");
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}
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@Test
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public void testToNumber() {
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// Assert.assertTrue(invoke("toNumber") instanceof EvalError);
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Assert.assertNull(invoke("toNumber"));
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// Assert.assertTrue(invoke("toNumber", (Object) null) instanceof EvalError);
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Assert.assertNull(invoke("toNumber", (Object) null));
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Assert.assertTrue(invoke("toNumber", "string") instanceof EvalError);
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Assert.assertEquals(invoke("toNumber", "0.0"), 0.0);
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Assert.assertTrue(Math.abs((Double) invoke("toNumber", "123.456") - 123.456) < EPSILON);
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Assert.assertTrue(Math.abs((Double) invoke("toNumber", "001.234") - 1.234) < EPSILON);
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Assert.assertTrue(Math.abs((Double) invoke("toNumber", "1e2") - 100.0) < EPSILON);
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Assert.assertTrue(Math.abs((Double) invoke("toNumber", Double.parseDouble("100.0")) - 100.0) < EPSILON);
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}
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@Test
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public void testToString() {
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// Assert.assertTrue(invoke("toString") instanceof EvalError);
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Assert.assertNull(invoke("toString"));
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// Assert.assertTrue(invoke("toString", (Object) null) instanceof EvalError);
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Assert.assertNull(invoke("toString", (Object) null));
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Assert.assertEquals(invoke("toString", Double.valueOf(100.0)),"100.0");
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// Calendar
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// Date
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// Date&Calendar with 2nd parameter with format
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}
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@Test
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public void testToDate() {
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// Assert.assertTrue(invoke("toDate") instanceof EvalError);
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Assert.assertNull(invoke("toDate"));
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Assert.assertTrue(invoke("toDate", (Object) null) instanceof EvalError);
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Assert.assertTrue(invoke("toDate", 1.0) instanceof EvalError);
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Assert.assertTrue(invoke("toDate", "2012-03-01") instanceof GregorianCalendar);
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// Assert.assertEquals(invoke("toDate", "2012-03-01"),new GregorianCalendar(2012,3,1));
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// Date
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// Calendar
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// String
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}
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}
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