whatcanGOwrong

go/pkg/mod/github.com/spf13/cobra@v1.7.0/cobra_test.go

@@ -0,0 +1,42 @@
+// Copyright 2013-2023 The Cobra Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cobra
+
+import (
+	"testing"
+	"text/template"
+)
+
+func assertNoErr(t *testing.T, e error) {
+	if e != nil {
+		t.Error(e)
+	}
+}
+
+func TestAddTemplateFunctions(t *testing.T) {
+	AddTemplateFunc("t", func() bool { return true })
+	AddTemplateFuncs(template.FuncMap{
+		"f": func() bool { return false },
+		"h": func() string { return "Hello," },
+		"w": func() string { return "world." }})
+
+	c := &Command{}
+	c.SetUsageTemplate(`{{if t}}{{h}}{{end}}{{if f}}{{h}}{{end}} {{w}}`)
+
+	const expected = "Hello, world."
+	if got := c.UsageString(); got != expected {
+		t.Errorf("Expected UsageString: %v\nGot: %v", expected, got)
+	}
+}