checkpoint: scaffold qrunproxy timeline API

cmd/qrunproxy/timeline_test.go

@@ -0,0 +1,96 @@
+package main
+
+import (
+	"encoding/json"
+	"os"
+	"testing"
+)
+
+func TestBuildTimelineFromFixture(t *testing.T) {
+	raw, err := os.ReadFile("static/show.json")
+	if err != nil {
+		t.Fatalf("read fixture: %v", err)
+	}
+
+	var show Show
+	if err := json.Unmarshal(raw, &show); err != nil {
+		t.Fatalf("unmarshal fixture: %v", err)
+	}
+
+	timeline, err := BuildTimeline(show)
+	if err != nil {
+		t.Fatalf("build timeline: %v", err)
+	}
+	if len(timeline.Tracks) != len(show.Tracks)+1 {
+		t.Fatalf("track count mismatch: got %d want %d", len(timeline.Tracks), len(show.Tracks)+1)
+	}
+	if len(timeline.Rows) == 0 {
+		t.Fatalf("expected timeline rows")
+	}
+
+	foundCueSignal := false
+	for _, row := range timeline.Rows {
+		for _, cell := range row.Cells {
+			if cell.Event != "GO" || cell.BlockID == "" {
+				continue
+			}
+			block, ok := timeline.Blocks[cell.BlockID]
+			if ok && block.Type == "cue" {
+				foundCueSignal = true
+				break
+			}
+		}
+		if foundCueSignal {
+			break
+		}
+	}
+	if !foundCueSignal {
+		t.Fatalf("expected at least one cue cell represented as block_id + GO event")
+	}
+}
+
+func TestBuildTimelineMergesSameBlockEndCell(t *testing.T) {
+	show := Show{
+		Tracks: []Track{
+			{ID: "track1", Name: "Track 1"},
+		},
+		Blocks: []Block{
+			{ID: "cue1", Type: "cue", Name: "Q1"},
+			{ID: "a", Type: "light", Track: "track1", Name: "A"},
+		},
+		Triggers: []Trigger{
+			{
+				Source: TriggerSource{Block: "cue1", Signal: "GO"},
+				Targets: []TriggerTarget{
+					{Block: "a", Hook: "START"},
+				},
+			},
+			{
+				Source: TriggerSource{Block: "a", Signal: "END"},
+				Targets: []TriggerTarget{
+					{Block: "a", Hook: "END"},
+				},
+			},
+		},
+	}
+
+	timeline, err := BuildTimeline(show)
+	if err != nil {
+		t.Fatalf("build timeline: %v", err)
+	}
+
+	found := false
+	for _, row := range timeline.Rows {
+		for _, cell := range row.Cells {
+			if cell.BlockID == "a" && cell.Event == "END" {
+				if !cell.IsSignal || !cell.IsEnd {
+					t.Fatalf("expected END cell to include signal+end markers, got signal=%v is_end=%v", cell.IsSignal, cell.IsEnd)
+				}
+				found = true
+			}
+		}
+	}
+	if !found {
+		t.Fatalf("did not find END cell for block a")
+	}
+}