test.it.unimi.dsi.law.io.tool.Text2DataData2TextTest Maven / Gradle / Ivy

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package it.unimi.dsi.law.io.tool;

import static org.junit.Assert.assertTrue;

import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

import org.junit.Test;

import com.google.common.io.Files;
import com.martiansoftware.jsap.JSAPException;

public class Text2DataData2TextTest {


	@Test
	public void testInt(){
		assertTrue(testCore("INT", "10000\n", "10000\n"));
		assertTrue(testCore("INT", "-10000\n12\n", "-10000\n12\n"));
		assertTrue(testCore("INT", "10000\n" + Integer.MAX_VALUE + "\n12\n", "10000\n" + Integer.MAX_VALUE + "\n12\n"));
		assertTrue(testCore("INT", "10000\n" + Integer.MIN_VALUE + "\n12\n", "10000\n" + Integer.MIN_VALUE + "\n12\n"));
	}


	@Test
	public void testByte(){
		assertTrue(testCore("BYTE", "0\n", "0\n"));
		assertTrue(testCore("BYTE", "1\n", "1\n"));
		assertTrue(testCore("BYTE", "0111\n", "73\n"));
		assertTrue(testCore("BYTE", "011\n110\n", "9\n110\n"));
	}

	@Test
	public void testShort(){
		assertTrue(testCore("SHORT", "1\n", "1\n"));
		assertTrue(testCore("SHORT", "15\n", "15\n"));
		assertTrue(testCore("SHORT", "-12\n"+Short.MAX_VALUE+"\n", "-12\n"+Short.MAX_VALUE+"\n"));
		assertTrue(testCore("SHORT", "-12\n"+Short.MIN_VALUE+"\n17\n", "-12\n"+Short.MIN_VALUE+"\n17\n"));
	}

	@Test
	public void testLong(){
		assertTrue(testCore("LONG", "45678\n45678\n45678\n", "45678\n45678\n45678\n"));
		assertTrue(testCore("LONG", "45678\n"+Long.MIN_VALUE+"\n", "45678\n"+Long.MIN_VALUE+"\n"));
		assertTrue(testCore("LONG", Long.MAX_VALUE+"\n", Long.MAX_VALUE+"\n"));
	}

	@Test
	public void testFloat(){
		assertTrue(testCore("FLOAT", "32\n", "32.0\n"));
		assertTrue(testCore("FLOAT", "32.0\n", "32.0\n"));
		assertTrue(testCore("FLOAT", "1e+05\n", "100000.0\n"));
		assertTrue(testCore("FLOAT", "100000.0\n100000\n", "100000.0\n100000.0\n"));
		assertTrue(testCore("FLOAT", "100000.0\n"+Float.MAX_VALUE+"\n", "100000.0\n" + Float.MAX_VALUE + "\n"));
		assertTrue(testCore("FLOAT", "100000.0\n"+Float.MIN_VALUE+"\n", "100000.0\n" + Float.MIN_VALUE + "\n"));
	}

	@Test
	public void testDouble(){
		assertTrue(testCore("DOUBLE", "0.45\n", "0.45\n"));
		assertTrue(testCore("DOUBLE", "1e+05\n", "100000.0\n"));
		assertTrue(testCore("DOUBLE", "100000.0\n"+Double.MAX_VALUE+"\n", "100000.0\n" + Double.MAX_VALUE + "\n"));
		assertTrue(testCore("DOUBLE", "100000.0\n"+Double.MIN_VALUE+"\n", "100000.0\n" + Double.MIN_VALUE + "\n"));
	}


	private boolean testCore(String type, String text, String textExpected){
		try{
			File f1 = new File(type + "InFile.txt");
			File f2 = new File(type + "OutFile.txt");
			File f3 = new File(type + "InFile2.txt");
			if (f1.exists() || f2.exists()  || f3.exists()) {
				System.err.println("Unable to perform test " + this.getClass().toString() + " because of existing temp files");
				return false;
			}
			Files.asCharSink(f1, StandardCharsets.UTF_8).write(text);
			Text2DataOutput.main(("-t " + type + " " + type + "InFile.txt" + " " + type + "OutFile.txt").split(" "));
			DataInput2Text.main(("-t " + type + " " + type + "OutFile.txt" + " " + type + "InFile2.txt").split(" "));
			boolean rst = textExpected.equals(Files.asCharSource(f3, StandardCharsets.UTF_8).read());
			//boolean rst = FileUtils.contentEquals(f1, f3);
			f1.delete();
			f2.delete();
			f3.delete();
			return rst;
		} catch (IOException e) {
			e.printStackTrace();
			return false;
		} catch (JSAPException e) {
			e.printStackTrace();
			return false;
		}
	}

}