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|
package file
import (
"os"
"path/filepath"
"strings"
"testing"
)
func TestGetChecksum(t *testing.T) {
dir := t.TempDir()
path := filepath.Join(dir, "test.txt")
if err := os.WriteFile(path, []byte("hello"), 0o644); err != nil {
t.Fatal(err)
}
checksum := getChecksum(path)
if checksum == [32]byte{} {
t.Error("expected non-zero checksum")
}
zeroChecksum := getChecksum(filepath.Join(dir, "no-such-file"))
var expectedZero [32]byte
if zeroChecksum != expectedZero {
t.Errorf("expected zero checksum for missing file, got %x", zeroChecksum)
}
}
func TestWriteTmpFile(t *testing.T) {
dir := t.TempDir()
tmpPath := filepath.Join(dir, "test.tmp")
content := []byte("temp content")
if err := writeTmpFile(tmpPath, content, 0o644); err != nil {
t.Fatalf("unexpected error: %v", err)
}
got, err := os.ReadFile(tmpPath)
if err != nil {
t.Fatalf("reading tmp file: %v", err)
}
if string(got) != string(content) {
t.Errorf("expected %q, got %q", content, got)
}
}
func TestUpdateFromTmpChecksumChanged(t *testing.T) {
dir := t.TempDir()
tmpPath := filepath.Join(dir, "test.tmp")
path := filepath.Join(dir, "test.txt")
if err := os.WriteFile(tmpPath, []byte("new content"), 0o644); err != nil {
t.Fatal(err)
}
if err := updateFromTmp(tmpPath, path, true); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if _, err := os.Stat(tmpPath); err == nil {
t.Error("tmp file should have been removed")
}
got, err := os.ReadFile(path)
if err != nil {
t.Fatalf("reading target file: %v", err)
}
if string(got) != "new content" {
t.Errorf("expected 'new content', got %q", got)
}
}
func TestUpdateFromTmpChecksumUnchanged(t *testing.T) {
dir := t.TempDir()
tmpPath := filepath.Join(dir, "test.tmp")
path := filepath.Join(dir, "test.txt")
if err := os.WriteFile(tmpPath, []byte("same"), 0o644); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(path, []byte("same"), 0o644); err != nil {
t.Fatal(err)
}
if err := updateFromTmp(tmpPath, path, false); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if _, err := os.Stat(tmpPath); err == nil {
t.Error("tmp file should have been removed")
}
got, err := os.ReadFile(path)
if err != nil {
t.Fatalf("reading target file: %v", err)
}
if string(got) != "same" {
t.Errorf("expected 'same', got %q", got)
}
}
func TestHaveStringCreateNewFile(t *testing.T) {
dir := t.TempDir()
path := filepath.Join(dir, "new.txt")
if err := Have(path, WithContent("hello world")); err != nil {
t.Fatalf("unexpected error: %v", err)
}
got, err := os.ReadFile(path)
if err != nil {
t.Fatalf("reading file: %v", err)
}
if string(got) != "hello world" {
t.Errorf("expected 'hello world', got %q", got)
}
}
func TestHaveMode(t *testing.T) {
dir := t.TempDir()
path := filepath.Join(dir, "mode.txt")
mode := os.FileMode(0o600)
if err := Have(path, WithContent("mode test"), WithMode(mode)); err != nil {
t.Fatalf("unexpected error: %v", err)
}
info, err := os.Stat(path)
if err != nil {
t.Fatal(err)
}
// Mask to check only permission bits
if info.Mode().Perm() != mode {
t.Errorf("expected mode %v, got %v", mode, info.Mode().Perm())
}
}
func TestHaveSourceFile(t *testing.T) {
dir := t.TempDir()
sourcePath := filepath.Join("..", "..", "assets", "testfiles", "test.txt")
targetPath := filepath.Join(dir, "target.txt")
if err := Have(targetPath, WithSource(sourcePath)); err != nil {
t.Fatalf("unexpected error: %v", err)
}
got, err := os.ReadFile(targetPath)
if err != nil {
t.Fatalf("reading file: %v", err)
}
expected, _ := os.ReadFile(sourcePath)
if string(got) != string(expected) {
t.Errorf("expected %q, got %q", string(expected), string(got))
}
}
func TestHaveTemplateFile(t *testing.T) {
dir := t.TempDir()
sourcePath := filepath.Join("..", "..", "assets", "testfiles", "test.tmpl")
targetPath := filepath.Join(dir, "target.conf")
if err := Have(targetPath, WithSource(sourcePath)); err != nil {
t.Fatalf("unexpected error: %v", err)
}
got, err := os.ReadFile(targetPath)
if err != nil {
t.Fatalf("reading file: %v", err)
}
expectedParam := sourcePath
if !strings.Contains(string(got), expectedParam) {
t.Errorf("expected content to contain Param %q, got %q", expectedParam, string(got))
}
}
|
