From 2df02c35b70f7e8077832470de9594b657f1be67 Mon Sep 17 00:00:00 2001
From: Ben Culkin <scorpress@gmail.com>
Date: Fri, 23 Jun 2023 19:48:38 -0400
Subject: Add terminal

This is some functionality based on the way that MVS/other IBM OSes
handle their UI
---
 .../bjc/utils/test/cli/StreamTerminalTest.java     | 86 ++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 base/src/test/java/bjc/utils/test/cli/StreamTerminalTest.java

(limited to 'base/src/test/java/bjc/utils')

diff --git a/base/src/test/java/bjc/utils/test/cli/StreamTerminalTest.java b/base/src/test/java/bjc/utils/test/cli/StreamTerminalTest.java
new file mode 100644
index 0000000..de300d2
--- /dev/null
+++ b/base/src/test/java/bjc/utils/test/cli/StreamTerminalTest.java
@@ -0,0 +1,86 @@
+package bjc.utils.test.cli;
+
+import static org.junit.Assert.*;
+
+import java.io.*;
+import java.util.Scanner;
+
+import org.junit.Test;
+
+import bjc.utils.cli.StreamTerminal;
+
+/**
+ * Test {@link StreamTerminal}
+ * 
+ * @author bjcul
+ *
+ */
+public class StreamTerminalTest {
+
+	/**
+	 * Single-threaded test of stream-terminal
+	 */
+	@SuppressWarnings("resource")
+	@Test
+	public void stTest() {
+		try {
+			PipedInputStream inPipeIn = new PipedInputStream();
+			PipedOutputStream inPipeOut = new PipedOutputStream(inPipeIn);
+
+			InputStreamReader inPipeReader = new InputStreamReader(inPipeIn);
+			OutputStreamWriter inPipeWriter = new OutputStreamWriter(inPipeOut);
+
+			PipedInputStream outPipeIn = new PipedInputStream();
+			PipedOutputStream outPipeOut = new PipedOutputStream(outPipeIn);
+
+			InputStreamReader outPipeReader = new InputStreamReader(outPipeIn);
+			OutputStreamWriter outPipeWriter = new OutputStreamWriter(outPipeOut);
+
+			StreamTerminal terminal = new StreamTerminal(inPipeReader, outPipeWriter);
+
+			long reqID1 = terminal.submitRequest("Request 1");
+			long reqID2 = terminal.submitRequest("Request 2");
+
+			assertEquals(0, reqID1);
+			assertEquals(1, reqID2);
+
+			inPipeWriter.write("r 0,A\n");
+			inPipeWriter.write("r 1,B\n");
+			inPipeWriter.write("q\n");
+			inPipeWriter.flush();
+			inPipeWriter.close();
+
+			terminal.run();
+
+			outPipeWriter.flush();
+			outPipeWriter.close();
+
+			try (Scanner outPipeScanner = new Scanner(outPipeReader)) {
+				assertTrue(outPipeScanner.hasNextLine());
+				String out1 = outPipeScanner.nextLine();
+				assertEquals("IOLPI00001 STARTING PROCESSING", out1);
+
+				assertTrue(outPipeScanner.hasNextLine());
+				String out2 = outPipeScanner.nextLine();
+				assertEquals("0 Request 1", out2);
+
+				assertTrue(outPipeScanner.hasNextLine());
+				String out3 = outPipeScanner.nextLine();
+				assertEquals("1 Request 2", out3);
+
+				assertTrue(outPipeScanner.hasNextLine());
+				String out4 = outPipeScanner.nextLine();
+				assertEquals("IOLPI00002 ENDING PROCESSING", out4);
+			}
+			
+			assertEquals("A", terminal.awaitReply(reqID1));
+			assertEquals("B", terminal.awaitReply(reqID2));
+		} catch (IOException ioex) {
+			throw new RuntimeException(ioex);
+		} catch (InterruptedException iex) {
+			throw new RuntimeException(iex);
+		}
+	}
+	
+	// TODO write a test that ensures that the multi-threading/reply-wait functionality works
+}
-- 
cgit v1.2.3