1 files changed, 86 insertions, 0 deletions
diff --git a/internal/json_report_test.go b/internal/json_report_test.go
new file mode 100644
index 0000000..1d79c51
--- /dev/null
+++ b/internal/json_report_test.go
@@ -0,0 +1,86 @@
+package internal
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+)
+
+func TestPersistJSONReport(t *testing.T) {
+	tmpDir := t.TempDir()
+	htmlFile := filepath.Join(tmpDir, "status.html")
+	conf := config{HTMLStatusFile: htmlFile}
+
+	now := time.Now().Unix()
+	s := state{
+		checks: map[string]checkState{
+			"CriticalCheck": {
+				Status:     nagiosCritical,
+				PrevStatus: nagiosOk,
+				Epoch:      now,
+				Output:     "boom",
+			},
+			"StaleCheck": {
+				Status:     nagiosWarning,
+				PrevStatus: nagiosWarning,
+				Epoch:      now - 1000,
+				Output:     "stale warning",
+			},
+			"OkCheck": {
+				Status:     nagiosOk,
+				PrevStatus: nagiosOk,
+				Epoch:      now,
+				Output:     "all good",
+			},
+		},
+		staleEpoch: now - 100,
+	}
+
+	subject := "GOGIOS Report [C:1 W:1 U:0 S:1 SU:0 OK:1]"
+	if err := persistJSONReport(s, subject, conf); err != nil {
+		t.Fatalf("persistJSONReport() error = %v", err)
+	}
+
+	jsonFile := filepath.Join(tmpDir, "status.json")
+	data, err := os.ReadFile(jsonFile)
+	if err != nil {
+		t.Fatalf("failed to read JSON file: %v", err)
+	}
+
+	var report jsonReport
+	if err := json.Unmarshal(data, &report); err != nil {
+		t.Fatalf("failed to unmarshal JSON report: %v", err)
+	}
+
+	if report.LastUpdated == "" {
+		t.Fatal("lastUpdated is empty")
+	}
+	if _, err := time.Parse(time.RFC3339, report.LastUpdated); err != nil {
+		t.Fatalf("lastUpdated is not RFC3339: %v", err)
+	}
+	if report.Subject != subject {
+		t.Fatalf("subject = %q, want %q", report.Subject, subject)
+	}
+
+	if report.Summary.Critical != 1 || report.Summary.Warning != 1 || report.Summary.Stale != 1 || report.Summary.Ok != 1 {
+		t.Fatalf("unexpected summary: %+v", report.Summary)
+	}
+
+	if len(report.Sections.StatusChanged) != 1 || report.Sections.StatusChanged[0].Name != "CriticalCheck" {
+		t.Fatalf("unexpected statusChanged: %+v", report.Sections.StatusChanged)
+	}
+	if len(report.Sections.Unhandled) != 1 || report.Sections.Unhandled[0].Name != "CriticalCheck" {
+		t.Fatalf("unexpected unhandled: %+v", report.Sections.Unhandled)
+	}
+	if len(report.Sections.Stale) != 1 || report.Sections.Stale[0].Name != "StaleCheck" {
+		t.Fatalf("unexpected stale: %+v", report.Sections.Stale)
+	}
+	if len(report.Sections.Ok) != 1 || report.Sections.Ok[0].Name != "OkCheck" {
+		t.Fatalf("unexpected ok: %+v", report.Sections.Ok)
+	}
+	if len(report.Sections.Suppressed) != 0 {
+		t.Fatalf("unexpected suppressed: %+v", report.Sections.Suppressed)
+	}
+}