spf13--cobra/cobra/cmd/add_test.go
Albert Nigmatzianov 76a9a66775 cmd: Add tests
2017-05-05 10:35:27 +02:00

98 lines
2.4 KiB
Go

package cmd
import (
"errors"
"io/ioutil"
"os"
"path/filepath"
"testing"
)
// TestGoldenAddCmd initializes the project "github.com/spf13/testproject"
// in GOPATH, adds "test" command
// and compares the content of all files in cmd directory of testproject
// with appropriate golden files.
// Use -update to update existing golden files.
func TestGoldenAddCmd(t *testing.T) {
projectName := "github.com/spf13/testproject"
project := NewProject(projectName)
// Initialize the project at first.
initializeProject(project)
defer os.RemoveAll(project.AbsPath())
// Then add the "test" command.
cmdName := "test"
cmdPath := filepath.Join(project.CmdPath(), cmdName+".go")
createCmdFile(project.License(), cmdPath, cmdName)
expectedFiles := []string{".", "root.go", "test.go"}
gotFiles := []string{}
// Check project file hierarchy and compare the content of every single file
// with appropriate golden file.
err := filepath.Walk(project.CmdPath(), func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
// Make path relative to project.CmdPath().
// E.g. path = "/home/user/go/src/github.com/spf13/testproject/cmd/root.go"
// then it returns just "root.go".
relPath, err := filepath.Rel(project.CmdPath(), path)
if err != nil {
return err
}
relPath = filepath.ToSlash(relPath)
gotFiles = append(gotFiles, relPath)
goldenPath := filepath.Join("testdata", filepath.Base(path)+".golden")
switch relPath {
// Know directories.
case ".":
return nil
// Known files.
case "root.go", "test.go":
if *update {
got, err := ioutil.ReadFile(path)
if err != nil {
return err
}
ioutil.WriteFile(goldenPath, got, 0644)
}
return compareFiles(path, goldenPath)
}
// Unknown file.
return errors.New("unknown file: " + path)
})
if err != nil {
t.Fatal(err)
}
// Check if some files lack.
if err := checkLackFiles(expectedFiles, gotFiles); err != nil {
t.Fatal(err)
}
}
func TestValidateCmdName(t *testing.T) {
testCases := []struct {
input string
expected string
}{
{"cmdName", "cmdName"},
{"cmd_name", "cmdName"},
{"cmd-name", "cmdName"},
{"cmd______Name", "cmdName"},
{"cmd------Name", "cmdName"},
{"cmd______name", "cmdName"},
{"cmd------name", "cmdName"},
}
for _, testCase := range testCases {
got := validateCmdName(testCase.input)
if testCase.expected != got {
t.Errorf("Expected %q, got %q", testCase.expected, got)
}
}
}