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Add TestConfigLinkMutability (#5604)

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Follow up to #5567. Test the immutability of configured links.

Co-authored-by: Robert Pająk <pellared@hotmail.com>
This commit is contained in:
Tyler Yahn 2024-07-11 08:14:57 -07:00 committed by GitHub
parent 1384c27ad0
commit eb05fd56b3
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1 changed files with 18 additions and 0 deletions
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18
trace/trace_test.go
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@ -643,3 +643,21 @@ func TestLinkFromContext(t *testing.T) {
} }
assert.Equal(t, link.Attributes[0], k1v1) assert.Equal(t, link.Attributes[0], k1v1)
} }
func TestConfigLinkMutability(t *testing.T) {
sc0 := NewSpanContext(SpanContextConfig{TraceID: [16]byte{1}})
sc1 := NewSpanContext(SpanContextConfig{TraceID: [16]byte{2}})
sc2 := NewSpanContext(SpanContextConfig{TraceID: [16]byte{3}})
l0 := Link{SpanContext: sc0}
l1 := Link{SpanContext: sc1}
l2 := Link{SpanContext: sc2}
links := []Link{l0, l1}
conf := NewSpanStartConfig(WithLinks(links...))
// Mutating passed arg should not change configured links.
links[0] = l2
want := SpanConfig{links: []Link{l0, l1}}
assert.Equal(t, want, conf)
}