/
equal.go
130 lines (115 loc) · 2.96 KB
/
equal.go
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package testhelper
import (
"io"
"io/fs"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
)
// AssertDirEqual compares two directories if they are the same recursively
func AssertDirEqual(
t *testing.T,
expected, actual string,
) {
doAssertDirEqual(t, expected, actual, "")
}
func doAssertDirEqual(
t *testing.T,
expected, actual string,
relativePath string,
) {
sourceFiles := assertNamesAreTheSame(t, true, expected, actual, relativePath)
sourceDirs := assertNamesAreTheSame(t, false, expected, actual, relativePath)
for fileName := range sourceFiles {
assertFileContentIsTheSame(t, expected, actual, filepath.Join(relativePath, fileName))
}
for dirName := range sourceDirs {
doAssertDirEqual(t, expected, actual, filepath.Join(relativePath, dirName))
}
}
// nolint: revive
func assertNamesAreTheSame(
t *testing.T,
collectFiles bool,
expected, actual string,
relativePath string,
) map[string]bool {
expectedNames := requireCollectNameMap(t, collectFiles, expected, relativePath)
actualNames := requireCollectNameMap(t, collectFiles, actual, relativePath)
require.Equal(t, expectedNames, actualNames, "collectFiles[%v] relativePath[%v]", collectFiles, relativePath)
return actualNames
}
func requireCollectNameMap(
t *testing.T,
collectFiles bool,
parent string,
relativePath string,
) map[string]bool {
dirPath := filepath.Join(parent, relativePath)
expectedNames, err := collectNameMap(collectFiles, dirPath)
require.NoError(t, err, "dirPath[%v]", dirPath)
return expectedNames
}
func assertFileContentIsTheSame(
t *testing.T,
expected, actual string,
relativePath string,
) {
expectedBytes := requireReadAll(t, expected, relativePath)
actualBytes := requireReadAll(t, actual, relativePath)
require.Equal(t, string(expectedBytes), string(actualBytes), "relativePath[%v]", relativePath)
}
func requireReadAll(t *testing.T, parent string, relativePath string) []byte {
filePath := filepath.Join(parent, relativePath)
expectedBytes, err := readAll(filePath)
require.NoError(t, err, "filePath[%v]", filePath)
return expectedBytes
}
func readAll(
filePath string,
) ([]byte, error) {
sourceFile, err := os.Open(filePath)
if err != nil {
return nil, err
}
defer sourceFile.Close()
reader, err := newReadCloser(filePath, sourceFile)
if err != nil {
return nil, err
}
defer reader.Close()
return io.ReadAll(reader)
}
// nolint: revive
func collectNameMap(
collectFiles bool,
dirPath string,
) (map[string]bool, error) {
result := map[string]bool{}
files, err := os.ReadDir(dirPath)
if err != nil {
return nil, err
}
for _, fileInfo := range files {
if skipFile(fileInfo) {
continue
}
if collectFiles == isFile(fileInfo) {
result[fileInfo.Name()] = true
}
}
return result, nil
}
func skipFile(fileInfo fs.DirEntry) bool {
if fileInfo.Name() == ".gitkeep" {
return true
}
if fileInfo.Name() == ".git" {
return true
}
return false
}
func isFile(fileInfo fs.DirEntry) bool {
return !fileInfo.IsDir()
}