first commit

pigo/internal/dream/report_test.go

@@ -0,0 +1,66 @@
+package dream
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestReportJSONTags(t *testing.T) {
+	r := Report{
+		Merged:       1,
+		Deduped:      2,
+		PathsCleaned: 3,
+		Pruned:       4,
+		Distilled:    5,
+		BytesBefore:  100,
+		BytesAfter:   80,
+		FilesBefore:  10,
+		FilesAfter:   9,
+		DryRun:       true,
+		Notes:        []string{"pruned stale entry"},
+	}
+	r.Reconciled.Indexed = 6
+	r.Reconciled.Pruned = 7
+
+	data, err := json.Marshal(r)
+	if err != nil {
+		t.Fatalf("marshal: %v", err)
+	}
+	var m map[string]any
+	if err := json.Unmarshal(data, &m); err != nil {
+		t.Fatalf("unmarshal: %v", err)
+	}
+	for _, key := range []string{
+		"merged", "deduped", "paths_cleaned", "pruned", "distilled",
+		"bytes_before", "bytes_after", "files_before", "files_after",
+		"dry_run", "notes", "reconciled",
+	} {
+		if _, ok := m[key]; !ok {
+			t.Errorf("missing JSON key %q in %s", key, data)
+		}
+	}
+	rec, ok := m["reconciled"].(map[string]any)
+	if !ok {
+		t.Fatalf("reconciled not an object: %v", m["reconciled"])
+	}
+	if _, ok := rec["indexed"]; !ok {
+		t.Errorf("reconciled.indexed missing: %v", rec)
+	}
+	if _, ok := rec["pruned"]; !ok {
+		t.Errorf("reconciled.pruned missing: %v", rec)
+	}
+}
+
+func TestReportZeroValueOmitsNotes(t *testing.T) {
+	data, err := json.Marshal(Report{})
+	if err != nil {
+		t.Fatalf("marshal: %v", err)
+	}
+	var m map[string]any
+	if err := json.Unmarshal(data, &m); err != nil {
+		t.Fatalf("unmarshal: %v", err)
+	}
+	if _, ok := m["notes"]; ok {
+		t.Errorf("empty notes should be omitted, got %s", data)
+	}
+}