package tasks

import "testing"

func TestCheckGPUErrorLine_TriggersCallback(t *testing.T) {
	p := NewRenderProcessor()
	triggered := 0
	ctx := &Context{
		OnGPUError: func() {
			triggered++
			// Simulate runner arming lockout for this attempt.
		},
	}
	p.checkGPUErrorLine(ctx, "Fatal: Illegal address in HIP kernel execution")
	if triggered != 1 {
		t.Fatalf("expected GPU error callback once, got %d", triggered)
	}
	// After arming, further fault lines must not re-fire (spam protection).
	ctx.GPULockoutArmedThisAttempt = true
	p.checkGPUErrorLine(ctx, "page not present in GPU memory")
	if triggered != 1 {
		t.Fatalf("expected no further callbacks after arm, got %d", triggered)
	}
}

func TestCheckGPUErrorLine_SkipsWhenAlreadyLockedOut(t *testing.T) {
	p := NewRenderProcessor()
	triggered := false
	ctx := &Context{
		GPULockedOut: true,
		OnGPUError:   func() { triggered = true },
	}
	p.checkGPUErrorLine(ctx, "Illegal address in HIP")
	if triggered {
		t.Fatal("did not expect callback when GPU already locked out")
	}
}

func TestGetBlenderVersion_EmptyWhenMissing(t *testing.T) {
	ctx := &Context{}
	if got := ctx.GetBlenderVersion(); got != "" {
		t.Fatalf("expected empty blender version, got %q", got)
	}
}

func TestCheckGPUErrorLine_IgnoresNormalLine(t *testing.T) {
	p := NewRenderProcessor()
	triggered := false
	ctx := &Context{
		OnGPUError: func() { triggered = true },
	}
	p.checkGPUErrorLine(ctx, "Render completed successfully")
	if triggered {
		t.Fatal("did not expect GPU callback for normal line")
	}
}