mirror of
https://github.com/DNSCrypt/dnscrypt-proxy.git
synced 2024-12-11 22:35:40 +01:00
616 lines
15 KiB
Go
616 lines
15 KiB
Go
package toml
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import (
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"bytes"
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"fmt"
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"log"
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"net"
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"testing"
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"time"
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)
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func TestEncodeRoundTrip(t *testing.T) {
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type Config struct {
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Age int
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Cats []string
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Pi float64
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Perfection []int
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DOB time.Time
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Ipaddress net.IP
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}
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var inputs = Config{
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13,
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[]string{"one", "two", "three"},
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3.145,
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[]int{11, 2, 3, 4},
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time.Now(),
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net.ParseIP("192.168.59.254"),
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}
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var firstBuffer bytes.Buffer
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e := NewEncoder(&firstBuffer)
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err := e.Encode(inputs)
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if err != nil {
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t.Fatal(err)
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}
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var outputs Config
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if _, err := Decode(firstBuffer.String(), &outputs); err != nil {
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t.Logf("Could not decode:\n-----\n%s\n-----\n",
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firstBuffer.String())
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t.Fatal(err)
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}
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// could test each value individually, but I'm lazy
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var secondBuffer bytes.Buffer
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e2 := NewEncoder(&secondBuffer)
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err = e2.Encode(outputs)
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if err != nil {
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t.Fatal(err)
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}
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if firstBuffer.String() != secondBuffer.String() {
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t.Error(
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firstBuffer.String(),
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"\n\n is not identical to\n\n",
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secondBuffer.String())
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}
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}
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// XXX(burntsushi)
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// I think these tests probably should be removed. They are good, but they
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// ought to be obsolete by toml-test.
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func TestEncode(t *testing.T) {
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type Embedded struct {
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Int int `toml:"_int"`
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}
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type NonStruct int
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date := time.Date(2014, 5, 11, 20, 30, 40, 0, time.FixedZone("IST", 3600))
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dateStr := "2014-05-11T19:30:40Z"
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tests := map[string]struct {
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input interface{}
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wantOutput string
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wantError error
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}{
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"bool field": {
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input: struct {
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BoolTrue bool
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BoolFalse bool
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}{true, false},
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wantOutput: "BoolTrue = true\nBoolFalse = false\n",
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},
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"int fields": {
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input: struct {
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Int int
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Int8 int8
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Int16 int16
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Int32 int32
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Int64 int64
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}{1, 2, 3, 4, 5},
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wantOutput: "Int = 1\nInt8 = 2\nInt16 = 3\nInt32 = 4\nInt64 = 5\n",
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},
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"uint fields": {
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input: struct {
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Uint uint
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Uint8 uint8
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Uint16 uint16
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Uint32 uint32
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Uint64 uint64
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}{1, 2, 3, 4, 5},
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wantOutput: "Uint = 1\nUint8 = 2\nUint16 = 3\nUint32 = 4" +
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"\nUint64 = 5\n",
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},
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"float fields": {
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input: struct {
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Float32 float32
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Float64 float64
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}{1.5, 2.5},
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wantOutput: "Float32 = 1.5\nFloat64 = 2.5\n",
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},
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"string field": {
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input: struct{ String string }{"foo"},
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wantOutput: "String = \"foo\"\n",
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},
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"string field and unexported field": {
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input: struct {
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String string
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unexported int
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}{"foo", 0},
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wantOutput: "String = \"foo\"\n",
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},
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"datetime field in UTC": {
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input: struct{ Date time.Time }{date},
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wantOutput: fmt.Sprintf("Date = %s\n", dateStr),
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},
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"datetime field as primitive": {
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// Using a map here to fail if isStructOrMap() returns true for
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// time.Time.
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input: map[string]interface{}{
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"Date": date,
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"Int": 1,
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},
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wantOutput: fmt.Sprintf("Date = %s\nInt = 1\n", dateStr),
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},
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"array fields": {
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input: struct {
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IntArray0 [0]int
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IntArray3 [3]int
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}{[0]int{}, [3]int{1, 2, 3}},
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wantOutput: "IntArray0 = []\nIntArray3 = [1, 2, 3]\n",
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},
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"slice fields": {
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input: struct{ IntSliceNil, IntSlice0, IntSlice3 []int }{
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nil, []int{}, []int{1, 2, 3},
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},
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wantOutput: "IntSlice0 = []\nIntSlice3 = [1, 2, 3]\n",
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},
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"datetime slices": {
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input: struct{ DatetimeSlice []time.Time }{
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[]time.Time{date, date},
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},
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wantOutput: fmt.Sprintf("DatetimeSlice = [%s, %s]\n",
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dateStr, dateStr),
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},
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"nested arrays and slices": {
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input: struct {
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SliceOfArrays [][2]int
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ArrayOfSlices [2][]int
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SliceOfArraysOfSlices [][2][]int
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ArrayOfSlicesOfArrays [2][][2]int
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SliceOfMixedArrays [][2]interface{}
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ArrayOfMixedSlices [2][]interface{}
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}{
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[][2]int{{1, 2}, {3, 4}},
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[2][]int{{1, 2}, {3, 4}},
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[][2][]int{
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{
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{1, 2}, {3, 4},
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},
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{
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{5, 6}, {7, 8},
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},
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},
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[2][][2]int{
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{
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{1, 2}, {3, 4},
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},
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{
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{5, 6}, {7, 8},
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},
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},
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[][2]interface{}{
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{1, 2}, {"a", "b"},
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},
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[2][]interface{}{
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{1, 2}, {"a", "b"},
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},
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},
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wantOutput: `SliceOfArrays = [[1, 2], [3, 4]]
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ArrayOfSlices = [[1, 2], [3, 4]]
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SliceOfArraysOfSlices = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]]
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ArrayOfSlicesOfArrays = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]]
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SliceOfMixedArrays = [[1, 2], ["a", "b"]]
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ArrayOfMixedSlices = [[1, 2], ["a", "b"]]
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`,
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},
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"empty slice": {
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input: struct{ Empty []interface{} }{[]interface{}{}},
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wantOutput: "Empty = []\n",
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},
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"(error) slice with element type mismatch (string and integer)": {
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input: struct{ Mixed []interface{} }{[]interface{}{1, "a"}},
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wantError: errArrayMixedElementTypes,
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},
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"(error) slice with element type mismatch (integer and float)": {
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input: struct{ Mixed []interface{} }{[]interface{}{1, 2.5}},
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wantError: errArrayMixedElementTypes,
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},
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"slice with elems of differing Go types, same TOML types": {
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input: struct {
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MixedInts []interface{}
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MixedFloats []interface{}
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}{
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[]interface{}{
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int(1), int8(2), int16(3), int32(4), int64(5),
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uint(1), uint8(2), uint16(3), uint32(4), uint64(5),
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},
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[]interface{}{float32(1.5), float64(2.5)},
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},
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wantOutput: "MixedInts = [1, 2, 3, 4, 5, 1, 2, 3, 4, 5]\n" +
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"MixedFloats = [1.5, 2.5]\n",
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},
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"(error) slice w/ element type mismatch (one is nested array)": {
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input: struct{ Mixed []interface{} }{
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[]interface{}{1, []interface{}{2}},
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},
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wantError: errArrayMixedElementTypes,
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},
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"(error) slice with 1 nil element": {
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input: struct{ NilElement1 []interface{} }{[]interface{}{nil}},
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wantError: errArrayNilElement,
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},
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"(error) slice with 1 nil element (and other non-nil elements)": {
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input: struct{ NilElement []interface{} }{
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[]interface{}{1, nil},
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},
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wantError: errArrayNilElement,
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},
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"simple map": {
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input: map[string]int{"a": 1, "b": 2},
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wantOutput: "a = 1\nb = 2\n",
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},
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"map with interface{} value type": {
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input: map[string]interface{}{"a": 1, "b": "c"},
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wantOutput: "a = 1\nb = \"c\"\n",
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},
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"map with interface{} value type, some of which are structs": {
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input: map[string]interface{}{
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"a": struct{ Int int }{2},
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"b": 1,
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},
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wantOutput: "b = 1\n\n[a]\n Int = 2\n",
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},
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"nested map": {
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input: map[string]map[string]int{
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"a": {"b": 1},
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"c": {"d": 2},
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},
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wantOutput: "[a]\n b = 1\n\n[c]\n d = 2\n",
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},
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"nested struct": {
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input: struct{ Struct struct{ Int int } }{
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struct{ Int int }{1},
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},
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wantOutput: "[Struct]\n Int = 1\n",
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},
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"nested struct and non-struct field": {
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input: struct {
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Struct struct{ Int int }
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Bool bool
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}{struct{ Int int }{1}, true},
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wantOutput: "Bool = true\n\n[Struct]\n Int = 1\n",
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},
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"2 nested structs": {
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input: struct{ Struct1, Struct2 struct{ Int int } }{
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struct{ Int int }{1}, struct{ Int int }{2},
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},
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wantOutput: "[Struct1]\n Int = 1\n\n[Struct2]\n Int = 2\n",
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},
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"deeply nested structs": {
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input: struct {
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Struct1, Struct2 struct{ Struct3 *struct{ Int int } }
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}{
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struct{ Struct3 *struct{ Int int } }{&struct{ Int int }{1}},
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struct{ Struct3 *struct{ Int int } }{nil},
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},
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wantOutput: "[Struct1]\n [Struct1.Struct3]\n Int = 1" +
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"\n\n[Struct2]\n",
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},
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"nested struct with nil struct elem": {
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input: struct {
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Struct struct{ Inner *struct{ Int int } }
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}{
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struct{ Inner *struct{ Int int } }{nil},
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},
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wantOutput: "[Struct]\n",
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},
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"nested struct with no fields": {
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input: struct {
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Struct struct{ Inner struct{} }
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}{
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struct{ Inner struct{} }{struct{}{}},
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},
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wantOutput: "[Struct]\n [Struct.Inner]\n",
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},
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"struct with tags": {
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input: struct {
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Struct struct {
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Int int `toml:"_int"`
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} `toml:"_struct"`
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Bool bool `toml:"_bool"`
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}{
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struct {
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Int int `toml:"_int"`
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}{1}, true,
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},
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wantOutput: "_bool = true\n\n[_struct]\n _int = 1\n",
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},
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"embedded struct": {
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input: struct{ Embedded }{Embedded{1}},
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wantOutput: "_int = 1\n",
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},
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"embedded *struct": {
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input: struct{ *Embedded }{&Embedded{1}},
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wantOutput: "_int = 1\n",
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},
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"nested embedded struct": {
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input: struct {
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Struct struct{ Embedded } `toml:"_struct"`
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}{struct{ Embedded }{Embedded{1}}},
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wantOutput: "[_struct]\n _int = 1\n",
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},
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"nested embedded *struct": {
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input: struct {
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Struct struct{ *Embedded } `toml:"_struct"`
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}{struct{ *Embedded }{&Embedded{1}}},
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wantOutput: "[_struct]\n _int = 1\n",
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},
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"embedded non-struct": {
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input: struct{ NonStruct }{5},
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wantOutput: "NonStruct = 5\n",
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},
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"array of tables": {
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input: struct {
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Structs []*struct{ Int int } `toml:"struct"`
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}{
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[]*struct{ Int int }{{1}, {3}},
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},
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wantOutput: "[[struct]]\n Int = 1\n\n[[struct]]\n Int = 3\n",
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},
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"array of tables order": {
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input: map[string]interface{}{
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"map": map[string]interface{}{
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"zero": 5,
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"arr": []map[string]int{
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{
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"friend": 5,
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},
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},
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},
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},
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wantOutput: "[map]\n zero = 5\n\n [[map.arr]]\n friend = 5\n",
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},
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"(error) top-level slice": {
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input: []struct{ Int int }{{1}, {2}, {3}},
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wantError: errNoKey,
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},
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"(error) slice of slice": {
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input: struct {
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Slices [][]struct{ Int int }
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}{
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[][]struct{ Int int }{{{1}}, {{2}}, {{3}}},
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},
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wantError: errArrayNoTable,
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},
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"(error) map no string key": {
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input: map[int]string{1: ""},
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wantError: errNonString,
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},
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"(error) empty key name": {
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input: map[string]int{"": 1},
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wantError: errAnything,
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},
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"(error) empty map name": {
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input: map[string]interface{}{
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"": map[string]int{"v": 1},
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},
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wantError: errAnything,
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},
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}
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for label, test := range tests {
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encodeExpected(t, label, test.input, test.wantOutput, test.wantError)
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}
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}
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func TestEncodeNestedTableArrays(t *testing.T) {
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type song struct {
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Name string `toml:"name"`
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}
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type album struct {
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Name string `toml:"name"`
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Songs []song `toml:"songs"`
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}
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type springsteen struct {
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Albums []album `toml:"albums"`
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}
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value := springsteen{
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[]album{
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{"Born to Run",
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[]song{{"Jungleland"}, {"Meeting Across the River"}}},
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{"Born in the USA",
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[]song{{"Glory Days"}, {"Dancing in the Dark"}}},
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},
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}
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expected := `[[albums]]
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name = "Born to Run"
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[[albums.songs]]
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name = "Jungleland"
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[[albums.songs]]
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name = "Meeting Across the River"
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[[albums]]
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name = "Born in the USA"
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[[albums.songs]]
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name = "Glory Days"
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[[albums.songs]]
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name = "Dancing in the Dark"
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`
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encodeExpected(t, "nested table arrays", value, expected, nil)
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}
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func TestEncodeArrayHashWithNormalHashOrder(t *testing.T) {
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type Alpha struct {
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V int
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}
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type Beta struct {
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V int
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}
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type Conf struct {
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V int
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A Alpha
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B []Beta
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}
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val := Conf{
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V: 1,
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A: Alpha{2},
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B: []Beta{{3}},
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}
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expected := "V = 1\n\n[A]\n V = 2\n\n[[B]]\n V = 3\n"
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encodeExpected(t, "array hash with normal hash order", val, expected, nil)
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}
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func TestEncodeWithOmitEmpty(t *testing.T) {
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type simple struct {
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Bool bool `toml:"bool,omitempty"`
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String string `toml:"string,omitempty"`
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Array [0]byte `toml:"array,omitempty"`
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Slice []int `toml:"slice,omitempty"`
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Map map[string]string `toml:"map,omitempty"`
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}
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var v simple
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encodeExpected(t, "fields with omitempty are omitted when empty", v, "", nil)
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v = simple{
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Bool: true,
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String: " ",
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Slice: []int{2, 3, 4},
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Map: map[string]string{"foo": "bar"},
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}
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expected := `bool = true
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string = " "
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slice = [2, 3, 4]
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[map]
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foo = "bar"
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`
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encodeExpected(t, "fields with omitempty are not omitted when non-empty",
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v, expected, nil)
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}
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func TestEncodeWithOmitZero(t *testing.T) {
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type simple struct {
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Number int `toml:"number,omitzero"`
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Real float64 `toml:"real,omitzero"`
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Unsigned uint `toml:"unsigned,omitzero"`
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}
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value := simple{0, 0.0, uint(0)}
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expected := ""
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encodeExpected(t, "simple with omitzero, all zero", value, expected, nil)
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value.Number = 10
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value.Real = 20
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value.Unsigned = 5
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expected = `number = 10
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real = 20.0
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unsigned = 5
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`
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encodeExpected(t, "simple with omitzero, non-zero", value, expected, nil)
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}
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func TestEncodeOmitemptyWithEmptyName(t *testing.T) {
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type simple struct {
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S []int `toml:",omitempty"`
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}
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v := simple{[]int{1, 2, 3}}
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expected := "S = [1, 2, 3]\n"
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encodeExpected(t, "simple with omitempty, no name, non-empty field",
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v, expected, nil)
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}
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func TestEncodeAnonymousStruct(t *testing.T) {
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type Inner struct{ N int }
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type Outer0 struct{ Inner }
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type Outer1 struct {
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Inner `toml:"inner"`
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}
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v0 := Outer0{Inner{3}}
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expected := "N = 3\n"
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encodeExpected(t, "embedded anonymous untagged struct", v0, expected, nil)
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v1 := Outer1{Inner{3}}
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expected = "[inner]\n N = 3\n"
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encodeExpected(t, "embedded anonymous tagged struct", v1, expected, nil)
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}
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func TestEncodeAnonymousStructPointerField(t *testing.T) {
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type Inner struct{ N int }
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type Outer0 struct{ *Inner }
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type Outer1 struct {
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|
*Inner `toml:"inner"`
|
|
}
|
|
|
|
v0 := Outer0{}
|
|
expected := ""
|
|
encodeExpected(t, "nil anonymous untagged struct pointer field", v0, expected, nil)
|
|
|
|
v0 = Outer0{&Inner{3}}
|
|
expected = "N = 3\n"
|
|
encodeExpected(t, "non-nil anonymous untagged struct pointer field", v0, expected, nil)
|
|
|
|
v1 := Outer1{}
|
|
expected = ""
|
|
encodeExpected(t, "nil anonymous tagged struct pointer field", v1, expected, nil)
|
|
|
|
v1 = Outer1{&Inner{3}}
|
|
expected = "[inner]\n N = 3\n"
|
|
encodeExpected(t, "non-nil anonymous tagged struct pointer field", v1, expected, nil)
|
|
}
|
|
|
|
func TestEncodeIgnoredFields(t *testing.T) {
|
|
type simple struct {
|
|
Number int `toml:"-"`
|
|
}
|
|
value := simple{}
|
|
expected := ""
|
|
encodeExpected(t, "ignored field", value, expected, nil)
|
|
}
|
|
|
|
func encodeExpected(
|
|
t *testing.T, label string, val interface{}, wantStr string, wantErr error,
|
|
) {
|
|
var buf bytes.Buffer
|
|
enc := NewEncoder(&buf)
|
|
err := enc.Encode(val)
|
|
if err != wantErr {
|
|
if wantErr != nil {
|
|
if wantErr == errAnything && err != nil {
|
|
return
|
|
}
|
|
t.Errorf("%s: want Encode error %v, got %v", label, wantErr, err)
|
|
} else {
|
|
t.Errorf("%s: Encode failed: %s", label, err)
|
|
}
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
if got := buf.String(); wantStr != got {
|
|
t.Errorf("%s: want\n-----\n%q\n-----\nbut got\n-----\n%q\n-----\n",
|
|
label, wantStr, got)
|
|
}
|
|
}
|
|
|
|
func ExampleEncoder_Encode() {
|
|
date, _ := time.Parse(time.RFC822, "14 Mar 10 18:00 UTC")
|
|
var config = map[string]interface{}{
|
|
"date": date,
|
|
"counts": []int{1, 1, 2, 3, 5, 8},
|
|
"hash": map[string]string{
|
|
"key1": "val1",
|
|
"key2": "val2",
|
|
},
|
|
}
|
|
buf := new(bytes.Buffer)
|
|
if err := NewEncoder(buf).Encode(config); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
fmt.Println(buf.String())
|
|
|
|
// Output:
|
|
// counts = [1, 1, 2, 3, 5, 8]
|
|
// date = 2010-03-14T18:00:00Z
|
|
//
|
|
// [hash]
|
|
// key1 = "val1"
|
|
// key2 = "val2"
|
|
}
|