commands: Add CLI tests

See #4598

commands/commands_test.go

@@ -0,0 +1,133 @@
+// Copyright 2018 The Hugo Authors. All rights reserved.
+//
+// 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 commands
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestCommands(t *testing.T) {
+
+	assert := require.New(t)
+
+	dir, err := createSimpleTestSite(t)
+	assert.NoError(err)
+
+	dirOut, err := ioutil.TempDir("", "hugo-cli-out")
+	assert.NoError(err)
+
+	defer func() {
+		os.RemoveAll(dir)
+		os.RemoveAll(dirOut)
+	}()
+
+	sourceFlag := fmt.Sprintf("-s=%s", dir)
+
+	tests := []struct {
+		commands []string
+		flags    []string
+	}{
+		{[]string{"check", "ulimit"}, nil},
+		{[]string{"env"}, nil},
+		{[]string{"version"}, nil},
+		// no args = hugo build
+		{nil, []string{sourceFlag}},
+		// TODO(bep) cli refactor remove the HugoSites global and enable the below
+		//{nil, []string{sourceFlag, "--renderToMemory"}},
+		{[]string{"benchmark"}, []string{sourceFlag, "-n=1"}},
+		{[]string{"convert", "toTOML"}, []string{sourceFlag, "-o=" + filepath.Join(dirOut, "toml")}},
+		{[]string{"convert", "toYAML"}, []string{sourceFlag, "-o=" + filepath.Join(dirOut, "yaml")}},
+		{[]string{"convert", "toJSON"}, []string{sourceFlag, "-o=" + filepath.Join(dirOut, "json")}},
+		{[]string{"gen", "autocomplete"}, []string{"--completionfile=" + filepath.Join(dirOut, "autocomplete.txt")}},
+		{[]string{"gen", "chromastyles"}, []string{"--style=manni"}},
+		{[]string{"gen", "doc"}, []string{"--dir=" + filepath.Join(dirOut, "doc")}},
+		{[]string{"gen", "man"}, []string{"--dir=" + filepath.Join(dirOut, "man")}},
+		{[]string{"list", "drafts"}, []string{sourceFlag}},
+		{[]string{"list", "expired"}, []string{sourceFlag}},
+		{[]string{"list", "future"}, []string{sourceFlag}},
+		{[]string{"new", "new-page.md"}, []string{sourceFlag}},
+		{[]string{"new", "site", filepath.Join(dirOut, "new-site")}, nil},
+		// TODO(bep) cli refactor fix https://github.com/gohugoio/hugo/issues/4450
+		//{[]string{"new", "theme", filepath.Join(dirOut, "new-theme")}, nil},
+	}
+
+	for _, test := range tests {
+
+		hugoCmd := newHugoCompleteCmd()
+		test.flags = append(test.flags, "--quiet")
+		hugoCmd.SetArgs(append(test.commands, test.flags...))
+
+		// TODO(bep) capture output and add some simple asserts
+
+		assert.NoError(hugoCmd.Execute(), fmt.Sprintf("%v", test.commands))
+	}
+
+}
+
+func createSimpleTestSite(t *testing.T) (string, error) {
+	d, e := ioutil.TempDir("", "hugo-cli")
+	if e != nil {
+		return "", e
+	}
+
+	// Just the basic. These are for CLI tests, not site testing.
+	writeFile(t, filepath.Join(d, "config.toml"), `
+
+baseURL = "https://example.org"
+title = "Hugo Commands"
+
+`)
+
+	writeFile(t, filepath.Join(d, "content", "p1.md"), `
+---
+title: "P1"
+weight: 1
+---
+
+Content
+
+`)
+
+	writeFile(t, filepath.Join(d, "layouts", "_default", "single.html"), `
+
+Single: {{ .Title }}
+
+`)
+
+	writeFile(t, filepath.Join(d, "layouts", "_default", "list.html"), `
+
+List: {{ .Title }}
+
+`)
+
+	return d, nil
+
+}
+
+func writeFile(t *testing.T, filename, content string) {
+	must(t, os.MkdirAll(filepath.Dir(filename), os.FileMode(0755)))
+	must(t, ioutil.WriteFile(filename, []byte(content), os.FileMode(0755)))
+}
+
+func must(t *testing.T, err error) {
+	if err != nil {
+		t.Fatal(err)
+	}
+}