Merge branch 'master' of github.com:codegangsta/cli

urfave · Feb 5, 2014 · 563b43c · 563b43c
2 parents 6dde773 + 8242fd8
commit 563b43c
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Showing 2 changed files with 21 additions and 1 deletion.
diff --git a/app_test.go b/app_test.go
@@ -225,3 +225,22 @@ func TestApp_BeforeFunc(t *testing.T) {
 	}
 
 }
+
+func TestAppHelpPrinter(t *testing.T) {
+	oldPrinter := cli.HelpPrinter
+	defer func() {
+		cli.HelpPrinter = oldPrinter
+	}()
+
+	var wasCalled = false
+	cli.HelpPrinter = func(template string, data interface{}) {
+		wasCalled = true
+	}
+
+	app := cli.NewApp()
+	app.Run([]string{"-h"})
+
+	if wasCalled == false {
+		t.Errorf("Help printer expected to be called, but was not")
+	}
+}
diff --git a/help.go b/help.go
@@ -69,8 +69,9 @@ var helpCommand = Command{
 }
 
 // Prints help for the App
+var HelpPrinter = printHelp
 func ShowAppHelp(c *Context) {
-	printHelp(AppHelpTemplate, c.App)
+	HelpPrinter(AppHelpTemplate, c.App)
 }
 
 // Prints help for the given command