package mergo_test
import (
"testing"
"github.com/imdario/mergo"
)
type Student struct {
Name string
Books []string
}
type issue64TestData struct {
S1 Student
S2 Student
ExpectedSlice []string
}
func issue64Data() []issue64TestData {
return []issue64TestData{
{Student{"Jack", []string{"a", "B"}}, Student{"Tom", []string{"1"}}, []string{"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 TestIssue64MergeSliceWithOverride(t *testing.T) {
for _, data := range issue64Data() {
err := mergo.Merge(&data.S2, data.S1, mergo.WithOverride)
if err != nil {
t.Errorf("Error while merging %s", err)
}
if len(data.S2.Books) != len(data.ExpectedSlice) {
t.Errorf("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.Errorf("Expected %s, but got %s while merging slice with override", data.ExpectedSlice[i], val)
}
}
}
}