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package bjc.replpair;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.List;
import java.util.Scanner;
import static org.junit.Assert.*;
import org.junit.Test;
/**
* Unit test for ReplPair.
*
* @author Ben Culkin
*/
public class ReplPairTest {
// Test that we load empty files fine
@Test
public void testLoadFile() {
List<ReplPair> lrp = null;
String fName = "data/test/test1.rp";
try (FileInputStream fis = new FileInputStream(fName); Scanner scn = new Scanner(fis)) {
lrp = ReplPair.readList(scn);
assertTrue(lrp.size() == 0);
} catch (IOException ioex) {
assertTrue(false);
}
}
@Test
public void testSingleReplace() {
assertMultiReplace("data/test/test2.rp", "test2", "test1", "test2", "test2");
}
@Test
public void testMultiReplace() {
assertMultiReplace("data/test/test3.rp", "A B C", "a b c", "A A B", "a a b", "AAB", "aab");
}
@Test
public void testReplaceOrder() {
assertMultiReplace("data/test/test4.rp", "a", "a", "d", "ab");
}
@Test
public void testReplaceExpOrder() {
assertMultiReplace("data/test/test5.rp", "a", "a", "aa", "ab");
}
private void assertMultiReplace(String fle, String... inps) {
assertMultiReplace(false, fle, inps);
}
private void assertMultiReplace(boolean logRep, String fle, String... inps) {
if (inps.length < 2) throw new IllegalArgumentException("ERROR: Must provide at least two strings to assertMultiReplace");
if (inps.length % 2 != 0) throw new IllegalArgumentException("ERROR: Odd number of strings passed to assertMultiReplace");
List<ReplPair> lrp = null;
try (FileInputStream fis = new FileInputStream(fle); Scanner scn = new Scanner(fis)) {
lrp = ReplPair.readList(scn);
} catch (Exception ex) {
System.err.println("EXCEPTION");
ex.printStackTrace();
assertTrue(false);
return;
}
for (int i = 0; i < inps.length; i += 2) {
String right = inps[i];
String inp = inps[i + 1];
assertReplacesTo(logRep, right, lrp, inp);
}
}
private void assertReplacesFrom(String right, String inp, String fle) {
assertMultiReplace(fle, right, inp);
}
private void assertReplacesTo(String right, List<ReplPair> rps, String inp) {
assertReplacesTo(false, right, rps, inp);
}
private void assertReplacesTo(boolean logRep, String right, List<ReplPair> rps, String inp) {
String tmp = inp;
for (ReplPair rp : rps) {
String oldTmp = tmp;
tmp = rp.apply(tmp);
if (logRep) System.err.printf("\t[LOG] '%s' -> '%s'\t%s\n", oldTmp, tmp, rp);
}
assertEquals(right, tmp);
}
}
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