feat: Tenable-style patch_status - pending_updates, last_patch, reboot_pending across full stack

server/internal/db/agent_meta_test.go

@@ -0,0 +1,76 @@
+package db
+
+import (
+	"testing"
+)
+
+func TestDecodeTagsEdgeCases(t *testing.T) {
+	tests := []struct {
+		name string
+		raw  string
+		want int
+	}{
+		{"empty", "", 0},
+		{"brackets", "[]", 0},
+		{"whitespace", "  []  ", 0},
+		{"valid", `["a","b"]`, 2},
+		{"invalid json", "{not-json", 0},
+	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			got := decodeTags(tc.raw)
+			if len(got) != tc.want {
+				t.Fatalf("decodeTags(%q) len=%d want %d (%v)", tc.raw, len(got), tc.want, got)
+			}
+		})
+	}
+}
+
+func TestEncodeTagsEmpty(t *testing.T) {
+	if got := encodeTags(nil); got != "[]" {
+		t.Fatalf("encodeTags(nil) = %q want []", got)
+	}
+	if got := encodeTags([]string{}); got != "[]" {
+		t.Fatalf("encodeTags(empty) = %q want []", got)
+	}
+}
+
+func TestGetAgentInvalidTagsInDB(t *testing.T) {
+	d := openTestDB(t)
+	seedAgent(t, d, "bad-tags")
+
+	if _, err := d.Exec(`UPDATE agents SET tags = ? WHERE id = ?`, "{invalid", "bad-tags"); err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := d.GetAgent("bad-tags")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(got.Tags) != 0 {
+		t.Fatalf("invalid tags should decode to empty slice, got %v", got.Tags)
+	}
+}
+
+func TestUpdateAgentMetaClearsTags(t *testing.T) {
+	d := openTestDB(t)
+	seedAgent(t, d, "meta-clear")
+
+	if err := d.UpdateAgentMeta("meta-clear", "note", []string{"x"}); err != nil {
+		t.Fatal(err)
+	}
+	if err := d.UpdateAgentMeta("meta-clear", "", nil); err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := d.GetAgent("meta-clear")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got.Notes != "" {
+		t.Fatalf("notes not cleared: %q", got.Notes)
+	}
+	if len(got.Tags) != 0 {
+		t.Fatalf("tags not cleared: %v", got.Tags)
+	}
+}