Add support for rendering terminal output with colors (#19497)

modules/markup/console/console_test.go

@@ -0,0 +1,31 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package console
+
+import (
+	"strings"
+	"testing"
+
+	"code.gitea.io/gitea/modules/markup"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRenderConsole(t *testing.T) {
+	var render Renderer
+	kases := map[string]string{
+		"\x1b[37m\x1b[40mnpm\x1b[0m \x1b[0m\x1b[32minfo\x1b[0m \x1b[0m\x1b[35mit worked if it ends with\x1b[0m ok": "<span class=\"term-fg37 term-bg40\">npm</span> <span class=\"term-fg32\">info</span> <span class=\"term-fg35\">it worked if it ends with</span> ok",
+	}
+
+	for k, v := range kases {
+		var buf strings.Builder
+		canRender := render.CanRender("test", strings.NewReader(k))
+		assert.True(t, canRender)
+
+		err := render.Render(&markup.RenderContext{}, strings.NewReader(k), &buf)
+		assert.NoError(t, err)
+		assert.EqualValues(t, v, buf.String())
+	}
+}