wip: migrate to mono-repo. SPN has already been moved to spn/

spn/docks/op_latency_test.go

@@ -0,0 +1,59 @@
+package docks
+
+import (
+	"testing"
+	"time"
+
+	"github.com/safing/portmaster/spn/terminal"
+)
+
+func TestLatencyOp(t *testing.T) {
+	t.Parallel()
+
+	var (
+		latTestDelay            = 10 * time.Millisecond
+		latTestQueueSize uint32 = 10
+	)
+
+	// Reduce waiting time.
+	latencyTestPauseDuration = 100 * time.Millisecond
+
+	// Create test terminal pair.
+	a, b, err := terminal.NewSimpleTestTerminalPair(
+		latTestDelay,
+		int(latTestQueueSize),
+		&terminal.TerminalOpts{
+			FlowControl:     terminal.FlowControlNone,
+			FlowControlSize: latTestQueueSize,
+		},
+	)
+	if err != nil {
+		t.Fatalf("failed to create test terminal pair: %s", err)
+	}
+
+	// Grant permission for op on remote terminal and start op.
+	b.GrantPermission(terminal.IsCraneController)
+	op, tErr := NewLatencyTestOp(a)
+	if tErr != nil {
+		t.Fatalf("failed to start op: %s", err)
+	}
+
+	// Wait for result and check error.
+	tErr = <-op.Result()
+	if tErr.IsError() {
+		t.Fatalf("op failed: %s", tErr)
+	}
+	t.Logf("measured latency: %f ms", float64(op.testResult)/float64(time.Millisecond))
+
+	// Calculate expected latency.
+	expectedLatency := float64(latTestDelay * 2)
+	t.Logf("expected latency: %f ms", expectedLatency/float64(time.Millisecond))
+
+	// Check if measured latency is within parameters.
+	if float64(op.testResult) > expectedLatency*1.2 {
+		t.Fatal("measured latency too high")
+	}
+	if float64(op.testResult) < expectedLatency*0.9 {
+		t.Fatal("measured latency too low")
+	}
+}