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package mergo
import (
"testing"
)
var testDataS = []struct {
S1 Student
S2 Student
ExpectedSlice []string
}{
{Student{"Jack", []string{"a", "B"}}, Student{"Tom", []string{"1"}}, []string{"1", "a", "B"}},
{Student{"Jack", []string{"a", "B"}}, Student{"Tom", []string{}}, []string{"a", "B"}},
{Student{"Jack", []string{}}, Student{"Tom", []string{"1"}}, []string{"1"}},
{Student{"Jack", []string{}}, Student{"Tom", []string{}}, []string{}},
}
func TestMergeSliceWithOverrideWithAppendSlice(t *testing.T) {
for _, data := range testDataS {
err := Merge(&data.S2, data.S1, WithOverride, WithAppendSlice)
if err != nil {
t.Errorf("Error while merging %s", err)
}
if len(data.S2.Books) != len(data.ExpectedSlice) {
t.Fatalf("Got %d elements in slice, but expected %d", len(data.S2.Books), len(data.ExpectedSlice))
}
for i, val := range data.S2.Books {
if val != data.ExpectedSlice[i] {
t.Fatalf("Expected %s, but got %s while merging slice with override", data.ExpectedSlice[i], val)
}
}
}
}
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