Lots of frontend work

3 files changed, 230 insertions, 0 deletions

diff --git a/src/test/java/bjc/everge/EvergeTest.java b/src/test/java/bjc/everge/EvergeTest.java
new file mode 100644
index 0000000..109992a
--- /dev/null
+++ b/src/test/java/bjc/everge/EvergeTest.java
@@ -0,0 +1,71 @@
+package bjc.everge;
+
+import bjc.everge.TestUtils;
+
+import java.io.ByteArrayOutputStream;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+import static bjc.everge.TestUtils.*;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+/**
+ * Unit tests for Everge front-end.
+ *
+ * @author Ben Culkin.
+ */
+public class EvergeTest {
+	@Test
+	public void testConstruct() {
+		Everge evg = new Everge();
+
+		assertTrue(true);
+	}
+
+	@Test
+	public void testArgs() {
+		Everge evg = new Everge();
+
+		List<String> errs = new ArrayList<>();
+
+		boolean stat = evg.processArgs(errs, "-v");
+		if (!stat) {
+			for (String err : errs) {
+				System.err.println(err);
+			}
+
+			assertTrue(false);
+		}
+	}
+
+	@Test
+	public void testLoad() {
+		ByteArrayOutputStream baos = new ByteArrayOutputStream();
+
+		Everge evg = new Everge();
+		evg.outStream = new PrintStream(baos);
+
+		List<String> errs = new ArrayList<>();
+		boolean stat = evg.processArgs(errs, "-vv", "--file", "data/test/evg-test1.rp",
+				"data/test/evg-test1.inp");
+		if (!stat) {
+			System.err.println("[ERROR] Did not succesfully process args");
+			for (String err : errs) {
+				System.err.println(err);
+			}
+
+			assertTrue(false);
+		}
+
+		String outp = baos.toString().trim();
+		assertEquals("b\nb", outp);
+	}
+}
diff --git a/src/test/java/bjc/everge/StringUtilsTest.java b/src/test/java/bjc/everge/StringUtilsTest.java
new file mode 100644
index 0000000..9edc028
--- /dev/null
+++ b/src/test/java/bjc/everge/StringUtilsTest.java
@@ -0,0 +1,44 @@
+package bjc.everge;
+
+import java.util.Arrays;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class StringUtilsTest {
+	@Test
+	public void testNullSplit() {
+		assertSplitsTo("a", null, " ", "a");	
+		assertSplitsTo("a b", null, " ", "a", "b");	
+		assertSplitsTo("a b cd", null, " ", "a", "b", "cd");
+	}
+
+	@Test
+	public void testNoEscapeSplit() {
+		assertSplitsTo("a",        "/", " ", "a");
+		assertSplitsTo("a b",      "/", " ", "a", "b");
+		assertSplitsTo("a b/c",    "/", " ", "a", "b/c");
+	}
+
+	@Test
+	public void testEscapeSplit() {
+		assertSplitsTo("a /  b/c", "/", " ", "a", "/ ", "b/c");
+	}
+
+	private void assertSplitsTo(String inp, String esc, String splat, String... right) {
+		try {
+			String[] lst = StringUtils.escapeSplit(esc, splat, inp);
+
+			assertArrayEquals(right, lst);
+		} catch (Exception ex) {
+			System.err.println("EXCEPTION");
+			ex.printStackTrace();
+			System.err.println();
+
+			assertTrue(false);
+		}
+	}
+}
diff --git a/src/test/java/bjc/everge/TestUtils.java b/src/test/java/bjc/everge/TestUtils.java
new file mode 100644
index 0000000..2b9dc8d
--- /dev/null
+++ b/src/test/java/bjc/everge/TestUtils.java
@@ -0,0 +1,115 @@
+package bjc.everge;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+import static org.junit.Assert.*;
+
+/**
+ * Utility methods for testing.
+ *
+ * @author Ben Culkin
+ */
+public class TestUtils {
+	/**
+	 * Assert that a ReplParseException is thrown with a given message.
+	 *
+	 * @param msg
+	 * 		The message.
+	 * @param fle
+	 * 		The file to load input from.
+	 */
+	public static void assertThrownMessage(String msg, String fle) {
+		assertThrownMessage(false, msg, fle);
+	}
+
+	/**
+	 * Assert that a ReplParseException is thrown with a given message.
+	 *
+	 * @param logMsg
+	 * 		Log the exception message.
+	 * @param msg
+	 * 		The message.
+	 * @param fle
+	 * 		The file to load input from.
+	 */
+	public static void assertThrownMessage(boolean logMsg, String msg, String fle) {
+		try (FileInputStream fis = new FileInputStream(fle); Scanner scn = new Scanner(fis)) {
+			ReplPair.readList(new ArrayList<>(), scn);
+
+			assertTrue(false);
+		} catch (ReplParseException rpex) {
+			if (logMsg) System.err.println(rpex.toPrintString());
+
+			assertEquals(msg, rpex.toPrintString());
+		} catch (Exception ex) {
+			System.err.println("EXCEPTION");
+			ex.printStackTrace();
+
+			assertTrue(false);
+
+			return;
+		}
+	}
+
+	public static void assertMultiReplace(String fle, String... inps) {
+		assertMultiReplace(false, fle, inps);
+	}
+
+	public static 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 (ReplParseException rpex) {
+			System.err.println(rpex.toPrintString());
+			
+			assertTrue(false);
+		} 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);
+		}
+	}
+
+	public static void assertReplacesFrom(String right, String inp, String fle) {
+		assertMultiReplace(fle, right, inp);
+	}
+
+	public static void assertReplacesTo(String right, List<ReplPair> rps, String inp) {
+		assertReplacesTo(false, right, rps, inp);
+	}
+
+	public static void assertReplacesTo(boolean logRep, String right, List<ReplPair> rps, String inp) {
+		if (logRep) System.err.printf("\t[LOG] Checking '%s' -> '%s'\n", inp, right);
+
+		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);
+	}
+}