Bootstrap reanimator chart viewer

viewer/render_test.go

@@ -0,0 +1,48 @@
+package viewer
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestRenderHTMLIncludesKnownSectionsAndFields(t *testing.T) {
+	snapshot := []byte(`{
+  "target_host": "test-host",
+  "collected_at": "2026-03-15T12:00:00Z",
+  "hardware": {
+    "board": {
+      "serial_number": "BOARD-001",
+      "product_name": "Test Server"
+    },
+    "cpus": [
+      {
+        "socket": 0,
+        "model": "Xeon",
+        "status": "OK",
+        "temperature_c": 61.5
+      }
+    ]
+  }
+}`)
+
+	html, err := RenderHTML(snapshot, "Reanimator Chart")
+	if err != nil {
+		t.Fatalf("RenderHTML() error = %v", err)
+	}
+
+	text := string(html)
+	for _, needle := range []string{
+		"Reanimator Chart",
+		"test-host",
+		"Board",
+		"CPUs",
+		"BOARD-001",
+		"Xeon",
+		"temperature_c",
+		"status-ok",
+	} {
+		if !strings.Contains(text, needle) {
+			t.Fatalf("expected rendered html to contain %q", needle)
+		}
+	}
+}