Cybersecurity-Projects/PROJECTS/beginner/simple-vulnerability-scanner/internal/requirements/writer_test.go

93 lines
2.0 KiB
Go

// ©AngelaMos | 2026
// writer_test.go
package requirements
import (
"os"
"path/filepath"
"strings"
"testing"
)
func TestUpdateFile(t *testing.T) {
t.Parallel()
content := `# Core deps
django>=3.2.0
requests==2.28.1 # HTTP client
flask>=2.0.0
`
path := filepath.Join(t.TempDir(), "requirements.txt")
os.WriteFile(path, []byte(content), 0o600) //nolint:errcheck
updates := map[string]string{
"django": ">=6.0.1",
"requests": ">=2.32.5",
}
if err := UpdateFile(path, updates); err != nil {
t.Fatalf("UpdateFile: %v", err)
}
data, _ := os.ReadFile(path) //nolint:errcheck,gosec
result := string(data)
if !strings.Contains(result, "django>=6.0.1") {
t.Error("django not updated")
}
if !strings.Contains(result, "requests>=2.32.5") {
t.Error("requests not updated")
}
if !strings.Contains(result, "# Core deps") {
t.Error("comment lost")
}
if !strings.Contains(result, "# HTTP client") {
t.Error("inline comment lost")
}
if !strings.Contains(result, "flask>=2.0.0") {
t.Error("flask was incorrectly modified")
}
}
func TestUpdateFilePreservesFormatting(t *testing.T) {
t.Parallel()
content := "Django>=3.2.0\nnumpy==1.24.0\n"
path := filepath.Join(t.TempDir(), "requirements.txt")
os.WriteFile(path, []byte(content), 0o600) //nolint:errcheck
updates := map[string]string{
"django": ">=6.0.1",
}
if err := UpdateFile(path, updates); err != nil {
t.Fatalf("UpdateFile: %v", err)
}
data, _ := os.ReadFile(path) //nolint:errcheck,gosec
result := string(data)
if !strings.Contains(result, "Django>=6.0.1") {
t.Error("original casing not preserved")
}
if !strings.Contains(result, "numpy==1.24.0") {
t.Error("numpy was incorrectly modified")
}
}
func TestUpdateFileNotFound(t *testing.T) {
t.Parallel()
path := filepath.Join(t.TempDir(), "requirements.txt")
os.WriteFile(path, []byte("flask>=2.0.0\n"), 0o600) //nolint:errcheck
err := UpdateFile(path, map[string]string{
"nonexistent": ">=1.0.0",
})
if err == nil {
t.Error("expected error for missing dependency")
}
}