Function TestPackKeepsPairedToolMessage

internal/ctx/ctx_test.go:176–186

TestPackKeepsPairedToolMessage: a healthy assistant+tool pair that fits the budget stays intact: don't regress into dropping good pairs.

(t *testing.T)

			t.Fatalf("empty-ID tool message survived pack: %+v (full kept set: %+v)", m, r.Messages)
		}
	}
}

// TestPackKeepsPairedToolMessage: a healthy assistant+tool pair that fits the
// budget stays intact: don't regress into dropping good pairs.
func TestPackKeepsPairedToolMessage(t *testing.T) {
	history := []Message{
		{Role: RoleAssistant, ToolCalls: []ToolCall{{ID: "c1", Name: "bash"}}},
		{Role: RoleTool, ToolCallID: "c1", Content: "ok"},
		{Role: RoleAssistant, Content: "done"},
	}
	r := Pack(history, 10000)
	if len(r.Messages) != 3 {
		t.Fatalf("all 3 messages should be kept, got %d: %+v", len(r.Messages), r.Messages)