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GODRIVER-3452 MergeClientOptions returns object when given nil arguments #1917

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merged 3 commits into from
Jan 15, 2025
Merged

GODRIVER-3452 MergeClientOptions returns object when given nil arguments #1917

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095cf21
GODRIVER-3452 MergeClientOptions returns object when given nil arguments
prestonvasquez Jan 9, 2025
416c2f6
GODRIVER-3452 Assert got is empty client options
prestonvasquez Jan 15, 2025
df8a85c
Merge branch 'master' into GODRIVER-3452
prestonvasquez Jan 15, 2025
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4 changes: 4 additions & 0 deletions mongo/options/clientoptions.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1265,6 +1265,10 @@ func extractX509UsernameFromSubject(subject string) string {
// precedence.
func MergeClientOptions(opts ...*ClientOptions) *ClientOptions {
if len(opts) == 1 {
if opts[0] == nil {
return Client()
}

return opts[0]
}

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10 changes: 10 additions & 0 deletions mongo/options/clientoptions_test.go
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Expand Up @@ -175,6 +175,16 @@ func TestClientOptions(t *testing.T) {
t.Errorf("Merged client options do not match. got %v; want %v", got.err.Error(), opt1.err.Error())
}
})

t.Run("MergeClientOptions single nil option", func(t *testing.T) {
got := MergeClientOptions(nil)
assert.Equal(t, Client(), got)
})

t.Run("MergeClientOptions multiple nil options", func(t *testing.T) {
got := MergeClientOptions(nil, nil)
assert.Equal(t, Client(), got)
})
})
t.Run("direct connection validation", func(t *testing.T) {
t.Run("multiple hosts", func(t *testing.T) {
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