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

spn/navigator/sort_test.go

@@ -0,0 +1,112 @@
+package navigator
+
+import (
+	"sort"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/safing/portmaster/spn/hub"
+)
+
+func TestSorting(t *testing.T) {
+	t.Parallel()
+
+	list := []*Pin{
+		{
+			Hub: &hub.Hub{
+				ID: "a",
+			},
+			measurements: &hub.Measurements{
+				Latency:        3,
+				Capacity:       4,
+				CalculatedCost: 5,
+			},
+			analysis: &AnalysisState{
+				SuggestedHopDistance: 3,
+			},
+		},
+		{
+			Hub: &hub.Hub{
+				ID: "b",
+			},
+			measurements: &hub.Measurements{
+				Latency:        4,
+				Capacity:       3,
+				CalculatedCost: 1,
+			},
+			analysis: &AnalysisState{
+				SuggestedHopDistance: 2,
+			},
+		},
+		{
+			Hub: &hub.Hub{
+				ID: "c",
+			},
+			measurements: &hub.Measurements{
+				Latency:        5,
+				Capacity:       2,
+				CalculatedCost: 2,
+			},
+			analysis: &AnalysisState{
+				SuggestedHopDistance: 4,
+			},
+		},
+		{
+			Hub: &hub.Hub{
+				ID: "d",
+			},
+			measurements: &hub.Measurements{
+				Latency:        1,
+				Capacity:       1,
+				CalculatedCost: 3,
+			},
+			analysis: &AnalysisState{
+				SuggestedHopDistance: 4,
+			},
+		},
+		{
+			Hub: &hub.Hub{
+				ID: "e",
+			},
+			measurements: &hub.Measurements{
+				Latency:        2,
+				Capacity:       5,
+				CalculatedCost: 4,
+			},
+			analysis: &AnalysisState{
+				SuggestedHopDistance: 4,
+			},
+		},
+	}
+
+	sort.Sort(sortByLowestMeasuredCost(list))
+	checkSorting(t, list, "b-c-d-e-a")
+
+	sort.Sort(sortBySuggestedHopDistanceAndLowestMeasuredCost(list))
+	checkSorting(t, list, "c-d-e-a-b")
+
+	sort.Sort(sortByLowestMeasuredLatency(list))
+	checkSorting(t, list, "d-e-a-b-c")
+
+	sort.Sort(sortByHighestMeasuredCapacity(list))
+	checkSorting(t, list, "e-a-b-c-d")
+
+	sort.Sort(sortByPinID(list))
+	checkSorting(t, list, "a-b-c-d-e")
+}
+
+func checkSorting(t *testing.T, sortedList []*Pin, expectedOrder string) {
+	t.Helper()
+
+	// Build list ID string.
+	ids := make([]string, 0, len(sortedList))
+	for _, pin := range sortedList {
+		ids = append(ids, pin.Hub.ID)
+	}
+	sortedIDs := strings.Join(ids, "-")
+
+	// Check for matching order.
+	assert.Equal(t, expectedOrder, sortedIDs, "should match")
+}