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Merge Span.AddLink tests #5115

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merged 10 commits into from May 9, 2024
Merged

Merge Span.AddLink tests #5115

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5d5c2e3
Merge Span.AddLink tests
perhapsmaple Mar 28, 2024
36f7505
Merge AddLinkWithMoreAttributesThanLimit with Span.AddLink tests
perhapsmaple Apr 1, 2024
df60001
Refactor test structure for readability
perhapsmaple Apr 2, 2024
c69cb27
Refactor test structure for readability
perhapsmaple Apr 2, 2024
7736d6e
Update with review suggestions
perhapsmaple Apr 2, 2024
1789775
Update with review suggestions
perhapsmaple Apr 3, 2024
7a84877
Merge branch 'main' into merge-tests
dmathieu Apr 4, 2024
9720290
Update sdk/trace/trace_test.go
perhapsmaple Apr 5, 2024
5f9b75a
Update with review suggestions
perhapsmaple Apr 5, 2024
cc2f11d
Merge branch 'main' into merge-tests
XSAM May 9, 2024
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224 changes: 98 additions & 126 deletions sdk/trace/trace_test.go
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Expand Up @@ -1717,61 +1717,6 @@ func TestAddEventsWithMoreAttributesThanLimit(t *testing.T) {
}
}

func TestAddLinksWithMoreAttributesThanLimit(t *testing.T) {
te := NewTestExporter()
sl := NewSpanLimits()
sl.AttributePerLinkCountLimit = 1
tp := NewTracerProvider(
WithSpanLimits(sl),
WithSyncer(te),
WithResource(resource.Empty()),
)

k1v1 := attribute.String("key1", "value1")
k2v2 := attribute.String("key2", "value2")
k3v3 := attribute.String("key3", "value3")
k4v4 := attribute.String("key4", "value4")

sc1 := trace.NewSpanContext(trace.SpanContextConfig{TraceID: trace.TraceID([16]byte{1, 1}), SpanID: trace.SpanID{3}})
sc2 := trace.NewSpanContext(trace.SpanContextConfig{TraceID: trace.TraceID([16]byte{1, 1}), SpanID: trace.SpanID{3}})

span := startSpan(tp, "Links", trace.WithLinks([]trace.Link{
{SpanContext: sc1, Attributes: []attribute.KeyValue{k1v1, k2v2}},
{SpanContext: sc2, Attributes: []attribute.KeyValue{k2v2, k3v3, k4v4}},
}...))

got, err := endSpan(te, span)
if err != nil {
t.Fatal(err)
}

want := &snapshot{
spanContext: trace.NewSpanContext(trace.SpanContextConfig{
TraceID: tid,
TraceFlags: 0x1,
}),
parent: sc.WithRemote(true),
name: "span0",
links: []Link{
{
SpanContext: sc1,
Attributes: []attribute.KeyValue{k1v1},
DroppedAttributeCount: 1,
},
{
SpanContext: sc2,
Attributes: []attribute.KeyValue{k2v2},
DroppedAttributeCount: 2,
},
},
spanKind: trace.SpanKindInternal,
instrumentationScope: instrumentation.Scope{Name: "Links"},
}
if diff := cmpDiff(got, want); diff != "" {
t.Errorf("Link: -got +want %s", diff)
}
}

type stateSampler struct {
prefix string
f func(trace.TraceState) trace.TraceState
Expand Down Expand Up @@ -1977,80 +1922,107 @@ func TestEmptyRecordingSpanDroppedAttributes(t *testing.T) {
assert.Equal(t, 0, (&recordingSpan{}).DroppedAttributes())
}

func TestAddLinkWithInvalidSpanContext(t *testing.T) {
te := NewTestExporter()
sl := NewSpanLimits()
tp := NewTracerProvider(
WithSpanLimits(sl),
WithSyncer(te),
WithResource(resource.Empty()),
)
span := startSpan(tp, "AddSpanWithInvalidSpanContext")
inValidContext := trace.NewSpanContext(trace.SpanContextConfig{
TraceID: trace.TraceID([16]byte{}),
SpanID: [8]byte{},
})
attrs := []attribute.KeyValue{{Key: "k", Value: attribute.StringValue("v")}}
span.AddLink(trace.Link{
SpanContext: inValidContext,
Attributes: attrs,
})

want := &snapshot{
name: "span0",
spanContext: trace.NewSpanContext(trace.SpanContextConfig{
TraceID: tid,
TraceFlags: 0x1,
}),
parent: sc.WithRemote(true),
links: nil,
spanKind: trace.SpanKindInternal,
instrumentationScope: instrumentation.Scope{Name: "AddSpanWithInvalidSpanContext"},
}
got, err := endSpan(te, span)
if err != nil {
t.Fatal(err)
}
if diff := cmpDiff(got, want); diff != "" {
t.Errorf("AddLinkWithInvalidSpanContext: -got +want %s", diff)
}
}

func TestAddLink(t *testing.T) {
te := NewTestExporter()
sl := NewSpanLimits()
tp := NewTracerProvider(
WithSpanLimits(sl),
WithSyncer(te),
WithResource(resource.Empty()),
)
attrs := []attribute.KeyValue{{Key: "k", Value: attribute.StringValue("v")}}
span := startSpan(tp, "AddSpan")

link := trace.Link{SpanContext: sc, Attributes: attrs}
span.AddLink(link)

want := &snapshot{
name: "span0",
spanContext: trace.NewSpanContext(trace.SpanContextConfig{
TraceID: tid,
TraceFlags: 0x1,
}),
parent: sc.WithRemote(true),
links: []Link{
{
func TestSpanAddLink(t *testing.T) {
tests := []struct {
name string
attrLinkCountLimit int
link trace.Link
want *snapshot
}{
{
name: "AddLinkWithInvalidSpanContext",
attrLinkCountLimit: 128,
link: trace.Link{
SpanContext: trace.NewSpanContext(trace.SpanContextConfig{TraceID: trace.TraceID([16]byte{}), SpanID: [8]byte{}}),
Attributes: []attribute.KeyValue{{Key: "k1", Value: attribute.StringValue("v1")}},
},
want: &snapshot{
name: "span0",
spanContext: trace.NewSpanContext(trace.SpanContextConfig{
TraceID: tid,
TraceFlags: 0x1,
}),
parent: sc.WithRemote(true),
links: nil,
spanKind: trace.SpanKindInternal,
instrumentationScope: instrumentation.Scope{Name: "AddLinkWithInvalidSpanContext"},
},
},
{
name: "AddLink",
attrLinkCountLimit: 128,
link: trace.Link{
SpanContext: sc,
Attributes: attrs,
Attributes: []attribute.KeyValue{{Key: "k1", Value: attribute.StringValue("v1")}},
},
want: &snapshot{
name: "span0",
spanContext: trace.NewSpanContext(trace.SpanContextConfig{
TraceID: tid,
TraceFlags: 0x1,
}),
parent: sc.WithRemote(true),
links: []Link{
{
SpanContext: sc,
Attributes: []attribute.KeyValue{{Key: "k1", Value: attribute.StringValue("v1")}},
},
},
spanKind: trace.SpanKindInternal,
instrumentationScope: instrumentation.Scope{Name: "AddLink"},
},
},
{
name: "AddLinkWithMoreAttributesThanLimit",
attrLinkCountLimit: 1,
link: trace.Link{
SpanContext: sc,
Attributes: []attribute.KeyValue{
{Key: "k1", Value: attribute.StringValue("v1")},
{Key: "k2", Value: attribute.StringValue("v2")},
{Key: "k3", Value: attribute.StringValue("v3")},
{Key: "k4", Value: attribute.StringValue("v4")},
},
},
want: &snapshot{
name: "span0",
spanContext: trace.NewSpanContext(trace.SpanContextConfig{
TraceID: tid,
TraceFlags: 0x1,
}),
parent: sc.WithRemote(true),
links: []Link{
{
SpanContext: sc,
Attributes: []attribute.KeyValue{{Key: "k1", Value: attribute.StringValue("v1")}},
DroppedAttributeCount: 3,
},
},
spanKind: trace.SpanKindInternal,
instrumentationScope: instrumentation.Scope{Name: "AddLinkWithMoreAttributesThanLimit"},
},
},
spanKind: trace.SpanKindInternal,
instrumentationScope: instrumentation.Scope{Name: "AddSpan"},
}
got, err := endSpan(te, span)
if err != nil {
t.Fatal(err)
}
if diff := cmpDiff(got, want); diff != "" {
t.Errorf("AddLink: -got +want %s", diff)

for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
te := NewTestExporter()
sl := NewSpanLimits()
sl.AttributePerLinkCountLimit = tc.attrLinkCountLimit

tp := NewTracerProvider(WithSpanLimits(sl), WithSyncer(te), WithResource(resource.Empty()))

span := startSpan(tp, tc.name)
span.AddLink(tc.link)

got, err := endSpan(te, span)
if err != nil {
t.Fatal(err)
}

if diff := cmpDiff(got, tc.want); diff != "" {
t.Errorf("-got +want %s", diff)
}
})
}
}