forked from mirror/cobra
cmd: Add tests
This commit is contained in:
Albert Nigmatzianov
parent
d20925b932
commit
76a9a66775
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@ -1,6 +1,79 @@
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package cmd
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import "testing"
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import (
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"errors"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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)
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// TestGoldenAddCmd initializes the project "github.com/spf13/testproject"
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// in GOPATH, adds "test" command
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// and compares the content of all files in cmd directory of testproject
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// with appropriate golden files.
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// Use -update to update existing golden files.
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func TestGoldenAddCmd(t *testing.T) {
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projectName := "github.com/spf13/testproject"
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project := NewProject(projectName)
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// Initialize the project at first.
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initializeProject(project)
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defer os.RemoveAll(project.AbsPath())
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// Then add the "test" command.
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cmdName := "test"
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cmdPath := filepath.Join(project.CmdPath(), cmdName+".go")
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createCmdFile(project.License(), cmdPath, cmdName)
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expectedFiles := []string{".", "root.go", "test.go"}
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gotFiles := []string{}
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// Check project file hierarchy and compare the content of every single file
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// with appropriate golden file.
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err := filepath.Walk(project.CmdPath(), func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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// Make path relative to project.CmdPath().
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// E.g. path = "/home/user/go/src/github.com/spf13/testproject/cmd/root.go"
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// then it returns just "root.go".
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relPath, err := filepath.Rel(project.CmdPath(), path)
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if err != nil {
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return err
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}
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relPath = filepath.ToSlash(relPath)
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gotFiles = append(gotFiles, relPath)
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goldenPath := filepath.Join("testdata", filepath.Base(path)+".golden")
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switch relPath {
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// Know directories.
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case ".":
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return nil
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// Known files.
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case "root.go", "test.go":
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if *update {
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got, err := ioutil.ReadFile(path)
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if err != nil {
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return err
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}
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ioutil.WriteFile(goldenPath, got, 0644)
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}
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return compareFiles(path, goldenPath)
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}
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// Unknown file.
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return errors.New("unknown file: " + path)
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})
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if err != nil {
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t.Fatal(err)
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}
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// Check if some files lack.
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if err := checkLackFiles(expectedFiles, gotFiles); err != nil {
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t.Fatal(err)
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}
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}
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func TestValidateCmdName(t *testing.T) {
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testCases := []struct {
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@ -0,0 +1,77 @@
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package cmd
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import (
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"bytes"
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"errors"
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"flag"
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"fmt"
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"io/ioutil"
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"os/exec"
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)
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var update = flag.Bool("update", false, "update .golden files")
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func init() {
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// Mute commands.
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addCmd.SetOutput(new(bytes.Buffer))
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initCmd.SetOutput(new(bytes.Buffer))
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}
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// compareFiles compares the content of files with pathA and pathB.
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// If contents are equal, it returns nil.
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// If not, it returns which files are not equal
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// and diff (if system has diff command) between these files.
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func compareFiles(pathA, pathB string) error {
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contentA, err := ioutil.ReadFile(pathA)
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if err != nil {
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return err
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}
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contentB, err := ioutil.ReadFile(pathB)
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if err != nil {
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return err
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}
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if !bytes.Equal(contentA, contentB) {
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output := new(bytes.Buffer)
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output.WriteString(fmt.Sprintf("%q and %q are not equal!\n\n", pathA, pathB))
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diffPath, err := exec.LookPath("diff")
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if err != nil {
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// Don't execute diff if it can't be found.
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return nil
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}
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diffCmd := exec.Command(diffPath, pathA, pathB)
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diffCmd.Stdout = output
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diffCmd.Stderr = output
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output.WriteString("$ diff " + pathA + " " + pathB + "\n")
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if err := diffCmd.Run(); err != nil {
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output.WriteString("\n" + err.Error())
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}
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return errors.New(output.String())
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}
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return nil
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}
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// checkLackFiles checks if all elements of expected are in got.
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func checkLackFiles(expected, got []string) error {
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lacks := make([]string, 0, len(expected))
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for _, ev := range expected {
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if !stringInStringSlice(ev, got) {
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lacks = append(lacks, ev)
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}
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}
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if len(lacks) > 0 {
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return fmt.Errorf("Lack %v file(s): %v", len(lacks), lacks)
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}
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return nil
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}
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// stringInStringSlice checks if s is an element of slice.
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func stringInStringSlice(s string, slice []string) bool {
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for _, v := range slice {
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if s == v {
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return true
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}
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}
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return false
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}
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package cmd
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import (
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"errors"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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)
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// TestGoldenInitCmd initializes the project "github.com/spf13/testproject"
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// in GOPATH and compares the content of files in initialized project with
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// appropriate golden files ("testdata/*.golden").
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// Use -update to update existing golden files.
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func TestGoldenInitCmd(t *testing.T) {
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projectName := "github.com/spf13/testproject"
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project := NewProject(projectName)
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defer os.RemoveAll(project.AbsPath())
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os.Args = []string{"cobra", "init", projectName}
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if err := RootCmd.Execute(); err != nil {
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t.Fatal("Error by execution:", err)
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}
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expectedFiles := []string{".", "cmd", "LICENSE", "main.go", "cmd/root.go"}
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gotFiles := []string{}
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// Check project file hierarchy and compare the content of every single file
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// with appropriate golden file.
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err := filepath.Walk(project.AbsPath(), func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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// Make path relative to project.AbsPath().
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// E.g. path = "/home/user/go/src/github.com/spf13/testproject/cmd/root.go"
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// then it returns just "cmd/root.go".
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relPath, err := filepath.Rel(project.AbsPath(), path)
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if err != nil {
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return err
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}
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relPath = filepath.ToSlash(relPath)
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gotFiles = append(gotFiles, relPath)
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goldenPath := filepath.Join("testdata", filepath.Base(path)+".golden")
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switch relPath {
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// Know directories.
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case ".", "cmd":
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return nil
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// Known files.
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case "LICENSE", "main.go", "cmd/root.go":
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if *update {
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got, err := ioutil.ReadFile(path)
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if err != nil {
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return err
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}
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ioutil.WriteFile(goldenPath, got, 0644)
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}
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return compareFiles(path, goldenPath)
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}
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// Unknown file.
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return errors.New("unknown file: " + path)
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})
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if err != nil {
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t.Fatal(err)
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}
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// Check if some files lack.
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if err := checkLackFiles(expectedFiles, gotFiles); err != nil {
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t.Fatal(err)
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}
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}
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package cmd
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import (
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"path/filepath"
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"testing"
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)
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func TestFindExistingPackage(t *testing.T) {
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path := findPackage("github.com/spf13/cobra")
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if path == "" {
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t.Fatal("findPackage didn't find the existing package")
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}
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if !hasGoPathPrefix(path) {
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t.Fatal("%q is not in GOPATH, but must be", path)
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}
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}
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func hasGoPathPrefix(path string) bool {
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for _, srcPath := range srcPaths {
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if filepath.HasPrefix(path, srcPath) {
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return true
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}
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}
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return false
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}
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@ -0,0 +1,202 @@
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Apache License
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Version 2.0, January 2004
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http://www.apache.org/licenses/
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|
||||
// 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 main
|
||||
|
||||
import "github.com/spf13/testproject/cmd"
|
||||
|
||||
func main() {
|
||||
cmd.Execute()
|
||||
}
|
||||
|
|
@ -0,0 +1,88 @@
|
|||
// Copyright © 2017 NAME HERE <EMAIL ADDRESS>
|
||||
// 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 cmd
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
|
||||
homedir "github.com/mitchellh/go-homedir"
|
||||
"github.com/spf13/cobra"
|
||||
"github.com/spf13/viper"
|
||||
)
|
||||
|
||||
var cfgFile string
|
||||
|
||||
// RootCmd represents the base command when called without any subcommands
|
||||
var RootCmd = &cobra.Command{
|
||||
Use: "testproject",
|
||||
Short: "A brief description of your application",
|
||||
Long: `A longer description that spans multiple lines and likely contains
|
||||
examples and usage of using your application. For example:
|
||||
|
||||
Cobra is a CLI library for Go that empowers applications.
|
||||
This application is a tool to generate the needed files
|
||||
to quickly create a Cobra application.`,
|
||||
// Uncomment the following line if your bare application
|
||||
// has an action associated with it:
|
||||
// Run: func(cmd *cobra.Command, args []string) { },
|
||||
}
|
||||
|
||||
// Execute adds all child commands to the root command sets flags appropriately.
|
||||
// This is called by main.main(). It only needs to happen once to the rootCmd.
|
||||
func Execute() {
|
||||
if err := RootCmd.Execute(); err != nil {
|
||||
fmt.Println(err)
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
||||
func init() {
|
||||
cobra.OnInitialize(initConfig)
|
||||
|
||||
// Here you will define your flags and configuration settings.
|
||||
// Cobra supports persistent flags, which, if defined here,
|
||||
// will be global for your application.
|
||||
RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.testproject.yaml)")
|
||||
|
||||
// Cobra also supports local flags, which will only run
|
||||
// when this action is called directly.
|
||||
RootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
|
||||
}
|
||||
|
||||
// initConfig reads in config file and ENV variables if set.
|
||||
func initConfig() {
|
||||
if cfgFile != "" {
|
||||
// Use config file from the flag.
|
||||
viper.SetConfigFile(cfgFile)
|
||||
} else {
|
||||
// Find home directory.
|
||||
home, err := homedir.Dir()
|
||||
if err != nil {
|
||||
fmt.Println(home)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
// Search config in home directory with name ".cobra" (without extension).
|
||||
viper.AddConfigPath(home)
|
||||
viper.SetConfigName(".cobra")
|
||||
}
|
||||
|
||||
viper.AutomaticEnv() // read in environment variables that match
|
||||
|
||||
// If a config file is found, read it in.
|
||||
if err := viper.ReadInConfig(); err == nil {
|
||||
fmt.Println("Using config file:", viper.ConfigFileUsed())
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
// Copyright © 2017 NAME HERE <EMAIL ADDRESS>
|
||||
// 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 cmd
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"github.com/spf13/cobra"
|
||||
)
|
||||
|
||||
// testCmd represents the test command
|
||||
var testCmd = &cobra.Command{
|
||||
Use: "test",
|
||||
Short: "A brief description of your command",
|
||||
Long: `A longer description that spans multiple lines and likely contains examples
|
||||
and usage of using your command. For example:
|
||||
|
||||
Cobra is a CLI library for Go that empowers applications.
|
||||
This application is a tool to generate the needed files
|
||||
to quickly create a Cobra application.`,
|
||||
Run: func(cmd *cobra.Command, args []string) {
|
||||
fmt.Println("test called")
|
||||
},
|
||||
}
|
||||
|
||||
func init() {
|
||||
RootCmd.AddCommand(testCmd)
|
||||
|
||||
// Here you will define your flags and configuration settings.
|
||||
|
||||
// Cobra supports Persistent Flags which will work for this command
|
||||
// and all subcommands, e.g.:
|
||||
// testCmd.PersistentFlags().String("foo", "", "A help for foo")
|
||||
|
||||
// Cobra supports local flags which will only run when this command
|
||||
// is called directly, e.g.:
|
||||
// testCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
|
||||
}
|
||||
Loading…
Reference in New Issue