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package backend
import (
"reflect"
"testing"
)
func Test_mergeUpdates(t *testing.T) {
tests := []struct {
name string
have []update
want []update
}{
{
name: "single",
have: []update{&labelCreated{labelID: "1"}},
want: []update{&labelCreated{labelID: "1"}},
},
{
name: "multiple",
have: []update{
&labelCreated{labelID: "1"},
&labelCreated{labelID: "2"},
},
want: []update{
&labelCreated{labelID: "1"},
&labelCreated{labelID: "2"},
},
},
{
name: "replace with updated",
have: []update{
&labelCreated{labelID: "1"},
&labelUpdated{labelID: "1"},
&labelUpdated{labelID: "1"},
},
want: []update{
&labelCreated{labelID: "1"},
&labelUpdated{labelID: "1"},
},
},
{
name: "replace with delete",
have: []update{
&labelCreated{labelID: "1"},
&labelUpdated{labelID: "1"},
&labelUpdated{labelID: "1"},
&labelDeleted{labelID: "1"},
},
want: []update{
&labelDeleted{labelID: "1"},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := merge(tt.have); !reflect.DeepEqual(got, tt.want) {
t.Errorf("mergeUpdates() = %v, want %v", got, tt.want)
}
})
}
}
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