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|
package internal_test
import (
"encoding/json"
"strings"
"testing"
"github.com/peterbourgon/ff/v3/internal"
)
func TestTraverseMap(t *testing.T) {
t.Parallel()
tests := []struct {
Name string
M map[string]any
Delim string
Want map[string]struct{}
}{
{
Name: "single values",
M: map[string]any{
"s": "foo",
"i": 123,
"i64": int64(123),
"u": uint64(123),
"f": 1.23,
"jn": json.Number("123"),
"b": true,
"nil": nil,
},
Delim: ".",
Want: map[string]struct{}{
"s=foo": {},
"i=123": {},
"i64=123": {},
"u=123": {},
"f=1.23": {},
"jn=123": {},
"b=true": {},
"nil=": {},
},
},
{
Name: "slices",
M: map[string]any{
"is": []any{1, 2, 3},
"ss": []any{"a", "b", "c"},
"bs": []any{true, false},
"as": []any{"a", 1, true},
},
Want: map[string]struct{}{
"is=1": {},
"is=2": {},
"is=3": {},
"ss=a": {},
"ss=b": {},
"ss=c": {},
"bs=true": {},
"bs=false": {},
"as=a": {},
"as=1": {},
"as=true": {},
},
},
{
Name: "nested maps",
M: map[string]any{
"m": map[string]any{
"s": "foo",
"m2": map[string]any{
"i": 123,
},
},
},
Delim: ".",
Want: map[string]struct{}{
"m.s=foo": {},
"m.m2.i=123": {},
},
},
{
Name: "nested maps with '-' delimiter",
M: map[string]any{
"m": map[string]any{
"s": "foo",
"m2": map[string]any{
"i": 123,
},
},
},
Delim: "-",
Want: map[string]struct{}{
"m-s=foo": {},
"m-m2-i=123": {},
},
},
{
Name: "nested map[any]any",
M: map[string]any{
"m": map[any]any{
"m2": map[string]any{
"i": 999,
},
},
},
Delim: ".",
Want: map[string]struct{}{
"m.m2.i=999": {},
},
},
}
for _, test := range tests {
t.Run(test.Name, func(t *testing.T) {
observe := func(name, value string) error {
key := name + "=" + value
if _, ok := test.Want[key]; !ok {
t.Errorf("set(%s, %s): unexpected call to set", name, value)
}
delete(test.Want, key)
return nil
}
if err := internal.TraverseMap(test.M, test.Delim, observe); err != nil {
t.Fatal(err)
}
for key := range test.Want {
name, value, _ := strings.Cut(key, "=")
t.Errorf("set(%s, %s): expected but did not occur", name, value)
}
})
}
}
|
