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root_cmd_test.go
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package main
import (
"bytes"
"errors"
"os"
"path/filepath"
"testing"
"github.com/gkampitakis/go-snaps/snaps"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
)
type RootCommandSuite struct {
suite.Suite
logs *bytes.Buffer
command *cobra.Command
fileSystemBuilder *FileSystemBuilder
home string
}
func (suite *RootCommandSuite) BeforeTest() {
suite.T().Setenv("LOG_LEVEL", "debug")
home, _ := os.UserHomeDir()
suite.home = home
suite.fileSystemBuilder = &FileSystemBuilder{}
logsBuffer := new(bytes.Buffer)
logger := createLogger(logsBuffer)
suite.logs = logsBuffer
suite.command = createRootCommand(logger)
suite.command.SetOut(suite.logs)
suite.command.SetErr(suite.logs)
}
func (suite *RootCommandSuite) TestShouldShowHelpMenuWhenCalledWithoutArguments() {
suite.BeforeTest()
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
}
func (suite *RootCommandSuite) TestShouldExitEarlyWhenConflictResolutionFlagIsInvalid() {
suite.BeforeTest()
suite.command.SetArgs([]string{"--conflict-resolution", "bar"})
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
}
func (suite *RootCommandSuite) TestShouldExitEarlyWhenPathPassedToSourceDirectoryOptionDoesNotExist() {
suite.BeforeTest()
suite.command.SetArgs([]string{"--source-directory", "/foo/bar/buzz"})
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
}
func (suite *RootCommandSuite) TestShouldExitEarlyWhenPathPassedToSourceDirectoryOptionIsNotDirectory() {
suite.BeforeTest()
filePath := "/tmp/foo.txt"
cleanup := suite.fileSystemBuilder.File(filePath).Build()
defer cleanup()
suite.command.SetArgs([]string{"--source-directory", filePath})
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
}
func (suite *RootCommandSuite) TestShouldExitEarlyWhenSourceDirectoryIsEmpty() {
suite.BeforeTest()
emptyDirPath := "/tmp/source/"
cleanup := suite.fileSystemBuilder.Directory(emptyDirPath).Build()
defer cleanup()
suite.command.SetArgs([]string{"--source-directory", emptyDirPath})
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
}
func (suite *RootCommandSuite) TestShouldDoNothingWhenFileExistsAndNoActionIsPassedToConflictResolutionOption() {
suite.BeforeTest()
sourceDirectoryPath := "/tmp/source/"
sourceFilePath := "/tmp/source/foo.txt"
homeFilePath := filepath.Join(suite.home, "foo.txt")
cleanup := suite.fileSystemBuilder.Directory(sourceDirectoryPath).File(sourceFilePath).File(homeFilePath).Build()
defer cleanup()
suite.command.SetArgs([]string{"--source-directory", sourceDirectoryPath})
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
homeFileStat, _ := os.Lstat(homeFilePath)
assert.NotEqual(suite.T(), os.ModeSymlink, homeFileStat.Mode()&os.ModeSymlink)
}
func (suite *RootCommandSuite) TestShouldCreateBackupFileWhenFileExistsAndBackupIsPassedToConflictResolutionOption() {
suite.BeforeTest()
sourceDirectoryPath := "/tmp/source/"
sourceFilePath := "/tmp/source/foo.txt"
homeFilePath := filepath.Join(suite.home, "foo.txt")
homeBackupFilePath := homeFilePath + ".bak"
cleanup := suite.fileSystemBuilder.Directory(sourceDirectoryPath).File(sourceFilePath).File(homeFilePath).Build()
defer cleanup(homeBackupFilePath)
suite.command.SetArgs([]string{"--source-directory", sourceDirectoryPath, "--conflict-resolution", "backup"})
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
homeFileStat, _ := os.Lstat(homeFilePath)
assert.Equal(suite.T(), os.ModeSymlink, homeFileStat.Mode()&os.ModeSymlink)
_, err := os.Lstat(homeBackupFilePath)
assert.Nil(suite.T(), err)
}
func (suite *RootCommandSuite) TestShouldOverrideFileWhenFileExistsAndOverrideIsPassedToConflictResolutionOption() {
suite.BeforeTest()
sourceDirectoryPath := "/tmp/source/"
sourceFilePath := "/tmp/source/foo.txt"
homeFilePath := filepath.Join(suite.home, "foo.txt")
cleanup := suite.fileSystemBuilder.Directory(sourceDirectoryPath).File(sourceFilePath).File(homeFilePath).Build()
defer cleanup()
suite.command.SetArgs([]string{"--source-directory", sourceDirectoryPath, "--conflict-resolution", "override"})
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
homeFileStat, _ := os.Lstat(homeFilePath)
assert.Equal(suite.T(), os.ModeSymlink, homeFileStat.Mode()&os.ModeSymlink)
}
func (suite *RootCommandSuite) TestShouldDoNothingWhenDryModeIsOn() {
suite.BeforeTest()
sourceDirectoryPath := "/tmp/source/"
nestedDirectoryPath := "/tmp/source/nested/"
fooFileSourcePath := "/tmp/source/foo.txt"
barFileSourcePath := "/tmp/source/nested/bar.txt"
fooFileTargetPath := filepath.Join(suite.home, "foo.txt")
barFileTargetPath := filepath.Join(suite.home, "nested", "bar.txt")
cleanup := suite.fileSystemBuilder.Directory(sourceDirectoryPath).Directory(nestedDirectoryPath).File(fooFileSourcePath).File(barFileSourcePath).Build()
defer cleanup()
suite.command.SetArgs([]string{"--source-directory", sourceDirectoryPath, "--dry", "true"})
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
_, err1 := os.Lstat(fooFileTargetPath)
assert.True(suite.T(), errors.Is(err1, os.ErrNotExist))
_, err2 := os.Lstat(barFileTargetPath)
assert.True(suite.T(), errors.Is(err2, os.ErrNotExist))
}
func (suite *RootCommandSuite) TestShouldDoNothingWhenSourceDirectoryIsEmpty() {
suite.BeforeTest()
sourceDirectoryPath := "/tmp/source/"
nestedDirectoryPath := "/tmp/source/nested/"
nestedDirectoryTargetPath := filepath.Join(suite.home, "nested")
cleanup := suite.fileSystemBuilder.Directory(sourceDirectoryPath).Directory(nestedDirectoryPath).Build()
defer cleanup()
suite.command.SetArgs([]string{"--source-directory", sourceDirectoryPath})
suite.command.Execute()
snaps.MatchSnapshot(suite.T(), suite.logs.String())
_, err := os.Lstat(nestedDirectoryTargetPath)
assert.True(suite.T(), errors.Is(err, os.ErrNotExist))
}
func TestRootCommandSuite(t *testing.T) {
suite.Run(t, &RootCommandSuite{})
}