Fix Ansi outputting escape sequences when disabled, fixes #215

Author: gnodet

src/main/java/org/fusesource/jansi/Ansi.java

@@ -249,6 +249,26 @@ public Ansi bgBright(Color color) {
  return this;
  }
 
+ @Override
+ public Ansi fg(int color) {
+ return this;
+ }
+
+ @Override
+ public Ansi fgRgb(int r, int g, int b) {
+ return this;
+ }
+
+ @Override
+ public Ansi bg(int color) {
+ return this;
+ }
+
+ @Override
+ public Ansi bgRgb(int r, int g, int b) {
+ return this;
+ }
+
  @Override
  public Ansi a(Attribute attribute) {
  return this;

src/test/java/org/fusesource/jansi/AnsiTest.java

@@ -139,6 +139,16 @@ public void testCursorUpLine(int n, String expected) {
  assertAnsi(expected, new Ansi().cursorUpLine(n));
  }
 
+ @Test
+ public void testColorDisabled() {
+ Ansi.setEnabled(false);
+ try {
+ assertEquals("test", Ansi.ansi().fg(32).a("t").fgRgb(0).a("e").bg(24).a("s").bgRgb(100).a("t").toString());
+ } finally {
+ Ansi.setEnabled(true);
+ }
+ }
+
  private static void assertAnsi(String expected, Ansi actual) {
  assertEquals(expected.replace("ESC", "\033"), actual.toString());
  }