adds some text cases

src/main/java/de/neemann/digital/cli/CommandLineTester.java

@@ -32,7 +32,6 @@ import java.util.ArrayList;
 public class CommandLineTester {
 
     private final CircuitLoader circuitLoader;
-    private PrintStream out = System.out;
     private ArrayList<TestCase> testCases;
     private int testsPassed;
 
@@ -46,17 +45,6 @@ public class CommandLineTester {
         circuitLoader = new CircuitLoader(file);
     }
 
-    /**
-     * Sets the printer to use
-     *
-     * @param out the {@link PrintStream}
-     * @return this for chained calls
-     */
-    public CommandLineTester setOutputs(PrintStream out) {
-        this.out = out;
-        return this;
-    }
-
     /**
      * Uses the test cases from the given file
      *
@@ -83,9 +71,10 @@ public class CommandLineTester {
     /**
      * Executes test test
      *
+     * @param out Stream to output messages
      * @return the number of failed test cases
      */
-    public int execute() {
+    public int execute(PrintStream out) {
         if (testCases == null)
             testCases = getTestCasesFrom(circuitLoader.getCircuit());
 
@@ -168,7 +157,7 @@ public class CommandLineTester {
                 CommandLineTester clt = new CommandLineTester(new File(circ.get()));
                 if (tests.isSet())
                     clt.useTestCasesFrom(new File(tests.get()));
-                int errors = clt.execute();
+                int errors = clt.execute(System.out);
                 testsPassed = clt.getTestsPassed();
                 if (errors > 0)
                     throw new CLIException(Lang.get("cli_thereAreTestFailures"), errors).hideHelp();

src/test/java/de/neemann/digital/cli/CommandLineTesterTest.java

@@ -17,7 +17,7 @@ public class CommandLineTesterTest extends TestCase {
     public void test74181() throws IOException {
         File source = new File(Resources.getRoot(), "../../main/dig/lib/DIL Chips/74xx/arithmetic/74181.dig");
         CommandLineTester tester = new CommandLineTester(source);
-        int errors = tester.execute();
+        int errors = tester.execute(System.out);
         assertEquals(0, errors);
         assertEquals(32, tester.getTestsPassed());
     }
@@ -25,7 +25,7 @@ public class CommandLineTesterTest extends TestCase {
     public void testFailing() throws IOException {
         File source = new File(Resources.getRoot(), "dig/failingTest.dig");
         CommandLineTester tester = new CommandLineTester(source);
-        int errors = tester.execute();
+        int errors = tester.execute(System.out);
         assertEquals(1, errors);
         assertEquals(0, tester.getTestsPassed());
     }
@@ -35,7 +35,7 @@ public class CommandLineTesterTest extends TestCase {
         CommandLineTester tester = new CommandLineTester(source)
                 .useTestCasesFrom(new File(Resources.getRoot(), "../../main/dig/sequential/Counter-D.dig"));
 
-        int errors = tester.execute();
+        int errors = tester.execute(System.out);
         assertEquals(0, errors);
         assertEquals(1, tester.getTestsPassed());
     }
@@ -48,4 +48,15 @@ public class CommandLineTesterTest extends TestCase {
         assertEquals(1, tc.getTestsPassed());
     }
 
+    public void testCommandTestFail() {
+        try {
+            File source = new File(Resources.getRoot(), "dig/failingTest.dig");
+            CommandLineTester.TestCommand tc = new CommandLineTester.TestCommand();
+            tc.execute(new String[]{source.getPath()});
+            fail();
+        } catch (CLIException e) {
+            assertEquals(1, e.getExitCode());
+        }
+    }
+
 }

src/test/java/de/neemann/digital/cli/StatsExportTest.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2020 Helmut Neemann.
+ * Use of this source code is governed by the GPL v3 license
+ * that can be found in the LICENSE file.
+ */
+package de.neemann.digital.cli;
+
+import de.neemann.digital.cli.cli.CLIException;
+import de.neemann.digital.integration.Resources;
+import junit.framework.TestCase;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.PrintStream;
+
+public class StatsExportTest extends TestCase {
+
+    public void testStats() throws CLIException {
+        File source = new File(Resources.getRoot(), "../../main/dig/sequential/Counter-T.dig");
+        PrintStream old = System.out;
+        try {
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            try (PrintStream out = new PrintStream(baos)) {
+                System.setOut(out);
+                new StatsExport().execute(new String[]{source.getPath()});
+            }
+            String outStr = baos.toString();
+            assertTrue(outStr.contains("FlipflopT,,,,4"));
+        } finally {
+            System.setOut(old);
+        }
+    }
+
+}