Added tests for AbstractTextMonitor "Show Timestamp" function

Author: cmaglie

app/test/processing/app/UpdateTextAreaActionTest.java

@@ -0,0 +1,91 @@
+package processing.app;
+
+import static org.fest.assertions.Assertions.assertThat;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import cc.arduino.packages.BoardPort;
+import processing.app.helpers.PreferencesMap;
+
+public class UpdateTextAreaActionTest {
+
+  private static final String TIMESTAMP_REGEX = "\\d\\d:\\d\\d:\\d\\d.\\d\\d\\d";
+
+  class DummyTextMonitor extends AbstractTextMonitor {
+    public DummyTextMonitor(BoardPort boardPort) {
+      super(boardPort);
+    }
+  }
+
+  @Before
+  public void setup() {
+    PreferencesData.defaults = new PreferencesMap();
+    PreferencesData.set("editor.font", "Monospaced,plain,12");
+    PreferencesData.set("gui.scale", "100");
+    Theme.defaults = new PreferencesMap();
+    Theme.table.put("console.font", "Monospaced,plain,12");
+  }
+
+  @Test
+  public void noTimestampAdded() {
+    DummyTextMonitor textMon = new DummyTextMonitor(new BoardPort());
+    textMon.addTimeStampBox.setSelected(false);
+
+    textMon.updateTextArea("line1\nline2\r\nline3");
+    assertThat(textMon.textArea.getText()).matches("line1\nline2\r\nline3");
+  }
+
+  @Test
+  public void all3LinesHaveTimestampAdded() {
+    DummyTextMonitor textMon = new DummyTextMonitor(new BoardPort());
+    textMon.addTimeStampBox.setSelected(true);
+
+    textMon.updateTextArea("line1\nline2\r\nline3");
+    assertThat(textMon.textArea.getText())
+        .matches(TIMESTAMP_REGEX + " -> line1\\n" + //
+                 TIMESTAMP_REGEX + " -> line2\\r\\n" + //
+                 TIMESTAMP_REGEX + " -> line3");
+  }
+
+  @Test
+  public void emptyLinesHaveTimestampToo() {
+    DummyTextMonitor textMon = new DummyTextMonitor(new BoardPort());
+    textMon.addTimeStampBox.setSelected(true);
+
+    textMon.updateTextArea("line_1\n\nline_2");
+    assertThat(textMon.textArea.getText())
+        .matches(TIMESTAMP_REGEX + " -> line_1\\n" + //
+                 TIMESTAMP_REGEX + " -> \\n" + //
+                 TIMESTAMP_REGEX + " -> line_2");
+  }
+
+  @Test
+  public void newLinesAreRememberedWhenNewBufferIsUsed() {
+    DummyTextMonitor textMon = new DummyTextMonitor(new BoardPort());
+    textMon.addTimeStampBox.setSelected(true);
+
+    textMon.updateTextArea("no newline");
+    assertThat(textMon.textArea.getText())
+        .matches(TIMESTAMP_REGEX + " -> no newline");
+
+    textMon.updateTextArea(" more text");
+    assertThat(textMon.textArea.getText())
+        .matches(TIMESTAMP_REGEX + " -> no newline more text");
+
+    textMon.updateTextArea("\n");
+    assertThat(textMon.textArea.getText())
+        .matches(TIMESTAMP_REGEX + " -> no newline more text\n");
+
+    textMon.updateTextArea("\n");
+    assertThat(textMon.textArea.getText())
+        .matches(TIMESTAMP_REGEX + " -> no newline more text\n" + //
+                 TIMESTAMP_REGEX + " -> \n");
+
+    textMon.updateTextArea("third line");
+    assertThat(textMon.textArea.getText())
+        .matches(TIMESTAMP_REGEX + " -> no newline more text\n" + //
+                 TIMESTAMP_REGEX + " -> \n" + //
+                 TIMESTAMP_REGEX + " -> third line");
+  }
+}