internal/storage: SQLite-БД для задач и трассировок (таски + статус-машина, трассы с группировкой по task_id)

internal/storage/models_test.go

@@ -0,0 +1,49 @@
+package storage
+
+import (
+	"testing"
+)
+
+func TestIsValidTransition(t *testing.T) {
+	tests := []struct {
+		from, to Status
+		want     bool
+	}{
+		{StatusDraft, StatusCollecting, true},
+		{StatusDraft, StatusCancelled, true},
+		{StatusDraft, StatusRunning, false},
+		{StatusDraft, StatusClosed, false},
+		{StatusRunning, StatusSuccess, true},
+		{StatusRunning, StatusFailed, true},
+		{StatusRunning, StatusTimeout, true},
+		{StatusSuccess, StatusClosed, true},
+		{StatusSuccess, StatusDraft, false},
+		{StatusFailed, StatusReady, true},  // retry
+		{StatusFailed, StatusClosed, true},
+		{StatusFailed, StatusRunning, false},
+		{StatusTimeout, StatusReady, true}, // retry
+		{StatusClosed, StatusDraft, false},
+		{StatusClosed, StatusRunning, false},
+	}
+	for _, tc := range tests {
+		got := IsValidTransition(tc.from, tc.to)
+		if got != tc.want {
+			t.Errorf("IsValidTransition(%q → %q) = %v, want %v", tc.from, tc.to, got, tc.want)
+		}
+	}
+}
+
+func TestIsTerminal(t *testing.T) {
+	if !IsTerminal(StatusSuccess) {
+		t.Error("StatusSuccess should be terminal")
+	}
+	if !IsTerminal(StatusCancelled) {
+		t.Error("StatusCancelled should be terminal")
+	}
+	if IsTerminal(StatusDraft) {
+		t.Error("StatusDraft should NOT be terminal")
+	}
+	if IsTerminal(StatusRunning) {
+		t.Error("StatusRunning should NOT be terminal")
+	}
+}