Golang reflect.DeepEqual函數代碼示例

func TestEdgeMetadatasEncoding(t *testing.T) {
	want := EmptyEdgeMetadatas.
		Add("foo", EdgeMetadata{
			EgressPacketCount: newu64(1),
			MaxConnCountTCP:   newu64(2),
		}).
		Add("bar", EdgeMetadata{
			EgressPacketCount: newu64(3),
			MaxConnCountTCP:   newu64(5),
		})

	{
		gobs, err := want.GobEncode()
		if err != nil {
			t.Fatal(err)
		}
		have := EmptyEdgeMetadatas
		have.GobDecode(gobs)
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}

	{
		json, err := want.MarshalJSON()
		if err != nil {
			t.Fatal(err)
		}
		have := EmptyEdgeMetadatas
		have.UnmarshalJSON(json)
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}
}

func TestMemoise(t *testing.T) {
	calls := 0
	r := renderFunc(func(rpt report.Report) render.RenderableNodes {
		calls++
		return render.RenderableNodes{rpt.ID: render.NewRenderableNode(rpt.ID)}
	})
	m := render.Memoise(r)
	rpt1 := report.MakeReport()

	result1 := m.Render(rpt1)
	// it should have rendered it.
	if _, ok := result1[rpt1.ID]; !ok {
		t.Errorf("Expected rendered report to contain a node, but got: %v", result1)
	}
	if calls != 1 {
		t.Errorf("Expected renderer to have been called the first time")
	}

	result2 := m.Render(rpt1)
	if !reflect.DeepEqual(result1, result2) {
		t.Errorf("Expected memoised result to be returned: %s", test.Diff(result1, result2))
	}
	if calls != 1 {
		t.Errorf("Expected renderer to not have been called the second time")
	}

	rpt2 := report.MakeReport()
	result3 := m.Render(rpt2)
	if reflect.DeepEqual(result1, result3) {
		t.Errorf("Expected different result for different report, but were the same")
	}
	if calls != 2 {
		t.Errorf("Expected renderer to have been called again for a different report")
	}
}

func TestLatestMapEncoding(t *testing.T) {
	now := time.Now()
	want := EmptyLatestMap.
		Set("foo", now, "bar").
		Set("bar", now, "baz")

	{
		gobs, err := want.GobEncode()
		if err != nil {
			t.Fatal(err)
		}
		have := EmptyLatestMap
		have.GobDecode(gobs)
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}

	{
		json, err := want.MarshalJSON()
		if err != nil {
			t.Fatal(err)
		}
		have := EmptyLatestMap
		have.UnmarshalJSON(json)
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}
}

func TestCountersEncoding(t *testing.T) {
	want := EmptyCounters.
		Add("foo", 1).
		Add("bar", 2)

	{
		gobs, err := want.GobEncode()
		if err != nil {
			t.Fatal(err)
		}
		have := EmptyCounters
		have.GobDecode(gobs)
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}

	{
		json, err := want.MarshalJSON()
		if err != nil {
			t.Fatal(err)
		}
		have := EmptyCounters
		have.UnmarshalJSON(json)
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}
}

func TestCollector(t *testing.T) {
	window := time.Millisecond
	c := app.NewCollector(window)

	r1 := report.MakeReport()
	r1.Endpoint.AddNode("foo", report.MakeNode())

	r2 := report.MakeReport()
	r2.Endpoint.AddNode("bar", report.MakeNode())

	if want, have := report.MakeReport(), c.Report(); !reflect.DeepEqual(want, have) {
		t.Error(test.Diff(want, have))
	}

	c.Add(r1)
	if want, have := r1, c.Report(); !reflect.DeepEqual(want, have) {
		t.Error(test.Diff(want, have))
	}

	c.Add(r2)

	merged := report.MakeReport()
	merged = merged.Merge(r1)
	merged = merged.Merge(r2)
	if want, have := merged, c.Report(); !reflect.DeepEqual(want, have) {
		t.Error(test.Diff(want, have))
	}
}

func TestFilterUnconnectedPseudoNodes(t *testing.T) {
	// Test pseudo nodes that are made unconnected by filtering
	// are also removed.
	{
		nodes := render.RenderableNodes{
			"foo": {ID: "foo", Node: report.MakeNode().WithAdjacent("bar")},
			"bar": {ID: "bar", Node: report.MakeNode().WithAdjacent("baz")},
			"baz": {ID: "baz", Node: report.MakeNode(), Pseudo: true},
		}
		renderer := render.Filter{
			FilterFunc: func(node render.RenderableNode) bool {
				return true
			},
			Renderer: mockRenderer{RenderableNodes: nodes},
		}
		want := nodes.Prune()
		have := renderer.Render(report.MakeReport()).Prune()
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}
	{
		renderer := render.Filter{
			FilterFunc: func(node render.RenderableNode) bool {
				return node.ID != "bar"
			},
			Renderer: mockRenderer{RenderableNodes: render.RenderableNodes{
				"foo": {ID: "foo", Node: report.MakeNode().WithAdjacent("bar")},
				"bar": {ID: "bar", Node: report.MakeNode().WithAdjacent("baz")},
				"baz": {ID: "baz", Node: report.MakeNode(), Pseudo: true},
			}},
		}
		want := render.RenderableNodes{
			"foo": {ID: "foo", Node: report.MakeNode()},
		}
		have := renderer.Render(report.MakeReport()).Prune()
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}
	{
		renderer := render.Filter{
			FilterFunc: func(node render.RenderableNode) bool {
				return node.ID != "bar"
			},
			Renderer: mockRenderer{RenderableNodes: render.RenderableNodes{
				"foo": {ID: "foo", Node: report.MakeNode()},
				"bar": {ID: "bar", Node: report.MakeNode().WithAdjacent("foo")},
				"baz": {ID: "baz", Node: report.MakeNode().WithAdjacent("bar"), Pseudo: true},
			}},
		}
		want := render.RenderableNodes{
			"foo": {ID: "foo", Node: report.MakeNode()},
		}
		have := renderer.Render(report.MakeReport()).Prune()
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}
}

func TestSets(t *testing.T) {
	sets := EmptySets.Add("foo", MakeStringSet("bar"))
	if v, _ := sets.Lookup("foo"); !reflect.DeepEqual(v, MakeStringSet("bar")) {
		t.Fatal(v)
	}

	sets = sets.Merge(EmptySets.Add("foo", MakeStringSet("baz")))
	if v, _ := sets.Lookup("foo"); !reflect.DeepEqual(v, MakeStringSet("bar", "baz")) {
		t.Fatal(v)
	}
}

func TestMetricCopy(t *testing.T) {
	want := report.MakeMetric()
	have := want.Copy()
	if !reflect.DeepEqual(want, have) {
		t.Errorf("diff: %s", test.Diff(want, have))
	}

	want = report.MakeMetric().Add(time.Now(), 1)
	have = want.Copy()
	if !reflect.DeepEqual(want, have) {
		t.Errorf("diff: %s", test.Diff(want, have))
	}
}

func TestEdgeMetadataFlatten(t *testing.T) {
	// Test two EdgeMetadatas flatten to the correct values
	{
		have := (EdgeMetadata{
			EgressPacketCount: newu64(1),
			MaxConnCountTCP:   newu64(2),
		}).Flatten(EdgeMetadata{
			EgressPacketCount: newu64(4),
			EgressByteCount:   newu64(8),
			MaxConnCountTCP:   newu64(16),
		})
		want := EdgeMetadata{
			EgressPacketCount: newu64(1 + 4),
			EgressByteCount:   newu64(8),
			MaxConnCountTCP:   newu64(2 + 16), // flatten should sum MaxConnCountTCP
		}
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}

	// Test an EdgeMetadatas flatten to the correct value (should
	// just sum)
	{
		have := EmptyEdgeMetadatas.
			Add("foo", EdgeMetadata{
				EgressPacketCount: newu64(1),
				MaxConnCountTCP:   newu64(2),
			}).
			Add("bar", EdgeMetadata{
				EgressPacketCount: newu64(3),
				MaxConnCountTCP:   newu64(5),
			}).Flatten()
		want := EdgeMetadata{
			EgressPacketCount: newu64(1 + 3),
			MaxConnCountTCP:   newu64(2 + 5),
		}
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}

	{
		// Should not panic on nil
		have := EdgeMetadatas{}.Flatten()
		want := EdgeMetadata{}
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}
}

func TestMakeRenderableNodes(t *testing.T) {

	var (
		newu64     = func(value uint64) *uint64 { return &value }
		srcNodeID  = "srcNode"
		dstNode1ID = "dstNode1"
		dstNode2ID = "dstNode2"
		srcNode    = report.MakeNode().
				WithEdge(dstNode1ID, report.EdgeMetadata{EgressPacketCount: newu64(100), EgressByteCount: newu64(1000)}).
				WithEdge(dstNode2ID, report.EdgeMetadata{EgressPacketCount: newu64(200), EgressByteCount: newu64(2000)})
		dstNode1 = report.MakeNode()
		dstNode2 = report.MakeNode()
		topology = report.MakeTopology().
				AddNode(srcNodeID, srcNode).
				AddNode(dstNode1ID, dstNode1).
				AddNode(dstNode2ID, dstNode2)
	)

	result := render.MakeRenderableNodes(topology)
	mustLookup := func(id string) render.RenderableNode {
		node, ok := result[id]
		if !ok {
			t.Fatalf("Expected result to contain node: %q, got: %v", id, result)
		}
		return node
	}

	// Source nodes should have the flattened edge metadata
	{
		have := mustLookup(srcNodeID).EdgeMetadata
		want := report.EdgeMetadata{EgressPacketCount: newu64(300), EgressByteCount: newu64(3000)}
		if !reflect.DeepEqual(want, have) {
			t.Errorf(test.Diff(want, have))
		}
	}

	// Result destination nodes should have the reverse of the source nodes
	{
		have := mustLookup(dstNode1ID).EdgeMetadata
		want := report.EdgeMetadata{IngressPacketCount: newu64(100), IngressByteCount: newu64(1000)}
		if !reflect.DeepEqual(want, have) {
			t.Errorf(test.Diff(want, have))
		}

		have = mustLookup(dstNode2ID).EdgeMetadata
		want = report.EdgeMetadata{IngressPacketCount: newu64(200), IngressByteCount: newu64(2000)}
		if !reflect.DeepEqual(want, have) {
			t.Errorf(test.Diff(want, have))
		}
	}
}

func TestCountersDeepEquals(t *testing.T) {
	want := EmptyCounters.
		Add("foo", 3)
	have := EmptyCounters.
		Add("foo", 3)
	if !reflect.DeepEqual(want, have) {
		t.Errorf(test.Diff(want, have))
	}
	notequal := EmptyCounters.
		Add("foo", 4)
	if reflect.DeepEqual(want, notequal) {
		t.Errorf(test.Diff(want, have))
	}
}

func TestLatestMapDeepEquals(t *testing.T) {
	now := time.Now()
	want := EmptyLatestMap.
		Set("foo", now, "Bar")
	have := EmptyLatestMap.
		Set("foo", now, "Bar")
	if !reflect.DeepEqual(want, have) {
		t.Errorf(test.Diff(want, have))
	}
	notequal := EmptyLatestMap.
		Set("foo", now, "Baz")
	if reflect.DeepEqual(want, notequal) {
		t.Errorf(test.Diff(want, have))
	}
}

func TestLatestMapDeleteNil(t *testing.T) {
	want := LatestMap{}
	have := LatestMap{}.Delete("foo")
	if !reflect.DeepEqual(want, have) {
		t.Errorf(test.Diff(want, have))
	}
}

func TestEdgeMetadatasEncodingNil(t *testing.T) {
	want := EdgeMetadatas{}

	{
		gobs, err := want.GobEncode()
		if err != nil {
			t.Fatal(err)
		}
		have := EmptyEdgeMetadatas
		have.GobDecode(gobs)
		if have.psMap == nil {
			t.Error("needed to get back a non-nil psMap for EdgeMetadata")
		}
	}

	{

		for _, h := range []codec.Handle{
			codec.Handle(&codec.MsgpackHandle{}),
			codec.Handle(&codec.JsonHandle{}),
		} {
			buf := &bytes.Buffer{}
			encoder := codec.NewEncoder(buf, h)
			want.CodecEncodeSelf(encoder)
			decoder := codec.NewDecoder(buf, h)
			have := EmptyEdgeMetadatas
			have.CodecDecodeSelf(decoder)
			if !reflect.DeepEqual(want, have) {
				t.Error(test.Diff(want, have))
			}
		}
	}
}

func TestSetsMerge(t *testing.T) {
	for _, testcase := range []struct {
		a, b report.Sets
		want map[string][]string
	}{
		{report.EmptySets, report.EmptySets, map[string][]string{}},
		{
			report.EmptySets,
			report.EmptySets.Add("a", report.MakeStringSet("b")),
			map[string][]string{"a": {"b"}},
		},
		{
			report.EmptySets,
			report.EmptySets.Add("a", report.MakeStringSet("b", "c")),
			map[string][]string{"a": {"b", "c"}},
		},
		{
			report.EmptySets.Add("a", report.MakeStringSet("1")).Add("b", report.MakeStringSet("2")),
			report.EmptySets.Add("c", report.MakeStringSet("3")).Add("b", report.MakeStringSet("3")),
			map[string][]string{"a": {"1"}, "b": {"2", "3"}, "c": {"3"}},
		},
	} {
		haveSets := testcase.a.Merge(testcase.b)
		have := map[string][]string{}
		keys := haveSets.Keys()
		for _, k := range keys {
			have[k], _ = haveSets.Lookup(k)
		}

		if !reflect.DeepEqual(testcase.want, have) {
			t.Errorf("%+v.Merge(%+v): want %+v, have %+v", testcase.a, testcase.b, testcase.want, have)
		}
	}
}