initial working version

internal/netrc/netrc_test.go

@@ -0,0 +1,175 @@
+package netrc
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestUpsertEmptyFile(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "netrc")
+
+	if err := Upsert(path, "cache.example.com", "token123"); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	pw, err := GetPassword(path, "cache.example.com")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if pw != "token123" {
+		t.Errorf("password = %q, want %q", pw, "token123")
+	}
+}
+
+func TestUpsertUpdateExisting(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "netrc")
+
+	initial := "machine other.host\npassword otherpass\n\nmachine cache.example.com\npassword oldtoken\n"
+	if err := os.WriteFile(path, []byte(initial), 0600); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := Upsert(path, "cache.example.com", "newtoken"); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	// Check updated entry
+	pw, err := GetPassword(path, "cache.example.com")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if pw != "newtoken" {
+		t.Errorf("password = %q, want %q", pw, "newtoken")
+	}
+
+	// Check other entry preserved
+	pw, err = GetPassword(path, "other.host")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if pw != "otherpass" {
+		t.Errorf("other password = %q, want %q", pw, "otherpass")
+	}
+}
+
+func TestUpsertAppend(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "netrc")
+
+	initial := "machine existing.host\npassword existingpass\n"
+	if err := os.WriteFile(path, []byte(initial), 0600); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := Upsert(path, "cache.example.com", "newtoken"); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	pw, err := GetPassword(path, "cache.example.com")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if pw != "newtoken" {
+		t.Errorf("password = %q, want %q", pw, "newtoken")
+	}
+
+	pw, err = GetPassword(path, "existing.host")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if pw != "existingpass" {
+		t.Errorf("existing password = %q, want %q", pw, "existingpass")
+	}
+}
+
+func TestRemove(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "netrc")
+
+	initial := "machine keep.host\npassword keeppass\n\nmachine remove.host\npassword removepass\n"
+	if err := os.WriteFile(path, []byte(initial), 0600); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := Remove(path, "remove.host"); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	pw, err := GetPassword(path, "remove.host")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if pw != "" {
+		t.Errorf("removed entry still has password = %q", pw)
+	}
+
+	pw, err = GetPassword(path, "keep.host")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if pw != "keeppass" {
+		t.Errorf("kept password = %q, want %q", pw, "keeppass")
+	}
+}
+
+func TestRemoveNonexistentFile(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "nonexistent")
+
+	if err := Remove(path, "anything"); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+}
+
+func TestGetPasswordNoFile(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "nonexistent")
+
+	pw, err := GetPassword(path, "anything")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if pw != "" {
+		t.Errorf("password = %q, want empty", pw)
+	}
+}
+
+func TestGetPasswordNotFound(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "netrc")
+
+	content := "machine other.host\npassword otherpass\n"
+	if err := os.WriteFile(path, []byte(content), 0600); err != nil {
+		t.Fatal(err)
+	}
+
+	pw, err := GetPassword(path, "missing.host")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if pw != "" {
+		t.Errorf("password = %q, want empty", pw)
+	}
+}
+
+func TestFilePermissions(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "netrc")
+
+	if err := Upsert(path, "cache.example.com", "token"); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	info, err := os.Stat(path)
+	if err != nil {
+		t.Fatalf("stat error: %v", err)
+	}
+
+	perm := info.Mode().Perm()
+	if perm != 0600 {
+		t.Errorf("file permissions = %o, want 0600", perm)
+	}
+}