tracker/frontend/http/bencode/decoder_test.go
Jimmy Zelinskie 2004489016 *: add subtests for all table driven tests
Because we use testify, this is less useful than normal, but this is
still best practice for table-driven tests.
2017-12-29 17:44:45 -05:00

84 lines
1.6 KiB
Go

package bencode
import (
"testing"
"github.com/stretchr/testify/require"
)
var unmarshalTests = []struct {
input string
expected interface{}
}{
{"i42e", int64(42)},
{"i-42e", int64(-42)},
{"7:example", "example"},
{"l3:one3:twoe", List{"one", "two"}},
{"le", List{}},
{"d3:one2:aa3:two2:bbe", Dict{"one": "aa", "two": "bb"}},
{"de", Dict{}},
}
func TestUnmarshal(t *testing.T) {
for _, tt := range unmarshalTests {
t.Run(tt.input, func(t *testing.T) {
got, err := Unmarshal([]byte(tt.input))
require.Nil(t, err, "unmarshal should not fail")
require.Equal(t, got, tt.expected, "unmarshalled values should match the expected results")
})
}
}
type bufferLoop struct {
val string
}
func (r *bufferLoop) Read(b []byte) (int, error) {
n := copy(b, r.val)
return n, nil
}
func BenchmarkUnmarshalScalar(b *testing.B) {
d1 := NewDecoder(&bufferLoop{"7:example"})
d2 := NewDecoder(&bufferLoop{"i42e"})
for i := 0; i < b.N; i++ {
d1.Decode()
d2.Decode()
}
}
func TestUnmarshalLarge(t *testing.T) {
data := Dict{
"k1": List{"a", "b", "c"},
"k2": int64(42),
"k3": "val",
"k4": int64(-42),
}
buf, _ := Marshal(data)
dec := NewDecoder(&bufferLoop{string(buf)})
got, err := dec.Decode()
require.Nil(t, err, "decode should not fail")
require.Equal(t, got, data, "encoding and decoding should equal the original value")
}
func BenchmarkUnmarshalLarge(b *testing.B) {
data := map[string]interface{}{
"k1": []string{"a", "b", "c"},
"k2": 42,
"k3": "val",
"k4": uint(42),
}
buf, _ := Marshal(data)
dec := NewDecoder(&bufferLoop{string(buf)})
for i := 0; i < b.N; i++ {
dec.Decode()
}
}