test(06-02): add failing tests for JSONFormatter

pkg/output/json_test.go

@@ -0,0 +1,149 @@
+package output
+
+import (
+	"bytes"
+	"encoding/json"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/salvacybersec/keyhunter/pkg/engine"
+)
+
+func TestJSONFormatter_EmptyFindings(t *testing.T) {
+	var buf bytes.Buffer
+	if err := (JSONFormatter{}).Format(nil, &buf, Options{}); err != nil {
+		t.Fatalf("Format returned error: %v", err)
+	}
+	got := buf.String()
+	if got != "[]\n" {
+		t.Fatalf("empty findings: want %q, got %q", "[]\n", got)
+	}
+}
+
+func TestJSONFormatter_RegisteredUnderJSON(t *testing.T) {
+	f, err := Get("json")
+	if err != nil {
+		t.Fatalf("Get(\"json\") error: %v", err)
+	}
+	if _, ok := f.(JSONFormatter); !ok {
+		t.Fatalf("Get(\"json\") returned %T, want JSONFormatter", f)
+	}
+}
+
+func sampleFinding() engine.Finding {
+	return engine.Finding{
+		ProviderName: "openai",
+		KeyValue:     "sk-proj-abcdef1234567890XYZW",
+		KeyMasked:    "sk-proj-...XYZW",
+		Confidence:   "high",
+		Source:       "src/config.go",
+		SourceType:   "file",
+		LineNumber:   42,
+		Offset:       1024,
+		DetectedAt:   time.Date(2026, 4, 5, 12, 30, 0, 0, time.UTC),
+	}
+}
+
+func TestJSONFormatter_MaskedByDefault(t *testing.T) {
+	f := sampleFinding()
+	var buf bytes.Buffer
+	if err := (JSONFormatter{}).Format([]engine.Finding{f}, &buf, Options{}); err != nil {
+		t.Fatalf("Format returned error: %v", err)
+	}
+	var out []map[string]any
+	if err := json.Unmarshal(buf.Bytes(), &out); err != nil {
+		t.Fatalf("invalid JSON: %v\n%s", err, buf.String())
+	}
+	if len(out) != 1 {
+		t.Fatalf("want 1 element, got %d", len(out))
+	}
+	if out[0]["key"] != f.KeyMasked {
+		t.Errorf("key: want %q (masked), got %v", f.KeyMasked, out[0]["key"])
+	}
+	if out[0]["key_masked"] != f.KeyMasked {
+		t.Errorf("key_masked: want %q, got %v", f.KeyMasked, out[0]["key_masked"])
+	}
+	if out[0]["provider"] != "openai" {
+		t.Errorf("provider: got %v", out[0]["provider"])
+	}
+	if out[0]["confidence"] != "high" {
+		t.Errorf("confidence: got %v", out[0]["confidence"])
+	}
+	if out[0]["line"].(float64) != 42 {
+		t.Errorf("line: got %v", out[0]["line"])
+	}
+	if out[0]["detected_at"] != "2026-04-05T12:30:00Z" {
+		t.Errorf("detected_at: got %v", out[0]["detected_at"])
+	}
+	if out[0]["verified"] != false {
+		t.Errorf("verified: got %v", out[0]["verified"])
+	}
+	// Unverified: omitempty fields should not appear.
+	if _, ok := out[0]["verify_status"]; ok {
+		t.Errorf("verify_status should be omitted when empty")
+	}
+}
+
+func TestJSONFormatter_UnmaskRevealsKey(t *testing.T) {
+	f := sampleFinding()
+	var buf bytes.Buffer
+	if err := (JSONFormatter{}).Format([]engine.Finding{f}, &buf, Options{Unmask: true}); err != nil {
+		t.Fatalf("Format returned error: %v", err)
+	}
+	var out []map[string]any
+	if err := json.Unmarshal(buf.Bytes(), &out); err != nil {
+		t.Fatalf("invalid JSON: %v", err)
+	}
+	if out[0]["key"] != f.KeyValue {
+		t.Errorf("key: want %q (unmasked), got %v", f.KeyValue, out[0]["key"])
+	}
+	if out[0]["key_masked"] != f.KeyMasked {
+		t.Errorf("key_masked should remain masked, got %v", out[0]["key_masked"])
+	}
+}
+
+func TestJSONFormatter_VerifyFieldsPresent(t *testing.T) {
+	f := sampleFinding()
+	f.Verified = true
+	f.VerifyStatus = "live"
+	f.VerifyHTTPCode = 200
+	f.VerifyMetadata = map[string]string{"org": "acme"}
+
+	var buf bytes.Buffer
+	if err := (JSONFormatter{}).Format([]engine.Finding{f}, &buf, Options{}); err != nil {
+		t.Fatalf("Format returned error: %v", err)
+	}
+	var out []map[string]any
+	if err := json.Unmarshal(buf.Bytes(), &out); err != nil {
+		t.Fatalf("invalid JSON: %v", err)
+	}
+	if out[0]["verified"] != true {
+		t.Errorf("verified: got %v", out[0]["verified"])
+	}
+	if out[0]["verify_status"] != "live" {
+		t.Errorf("verify_status: got %v", out[0]["verify_status"])
+	}
+	if out[0]["verify_http_code"].(float64) != 200 {
+		t.Errorf("verify_http_code: got %v", out[0]["verify_http_code"])
+	}
+	meta, ok := out[0]["verify_metadata"].(map[string]any)
+	if !ok {
+		t.Fatalf("verify_metadata missing or wrong type: %v", out[0]["verify_metadata"])
+	}
+	if meta["org"] != "acme" {
+		t.Errorf("verify_metadata.org: got %v", meta["org"])
+	}
+}
+
+func TestJSONFormatter_Indented(t *testing.T) {
+	f := sampleFinding()
+	var buf bytes.Buffer
+	if err := (JSONFormatter{}).Format([]engine.Finding{f}, &buf, Options{}); err != nil {
+		t.Fatalf("Format returned error: %v", err)
+	}
+	// Expect 2-space indent on at least one property line.
+	if !strings.Contains(buf.String(), "\n  \"provider\"") {
+		t.Errorf("output not indented with 2 spaces:\n%s", buf.String())
+	}
+}