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package collector
import (
"reflect"
"testing"
)
func TestMergeLabels(t *testing.T) {
t.Parallel()
tests := []struct {
mapA map[string]string
mapB map[string]string
want map[string]string
name string
}{
{
name: "base case",
mapA: map[string]string{"a": "is here"},
mapB: map[string]string{"b": "is here"},
want: map[string]string{"a": "is here", "b": "is here"},
},
{
name: "overwrite key case",
mapA: map[string]string{"a": "is here"},
mapB: map[string]string{"b": "is here", "a": "is now here"},
want: map[string]string{"a": "is now here", "b": "is here"},
},
{
name: "empty maps case",
mapA: nil,
mapB: nil,
want: map[string]string{},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
if got := MergeLabels(tt.mapA, tt.mapB); !reflect.DeepEqual(got, tt.want) {
t.Errorf("mergeLabels() = %v, want %v", got, tt.want)
}
})
}
}
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