feat: add httpc.Do & httpc.Service.Do (#1775)
* backup * backup * backup * feat: add httpc.Do & httpc.Service.Do * fix: not using strings.Cut, it's from Go 1.18 * chore: remove redudant code * feat: httpc.Do finished * chore: fix reviewdog * chore: break loop if found * add more testsmaster
Kevin Wan
3 years ago
committed by
GitHub
parent
fabea4c448
commit
50de01fb49
@ -0,0 +1,176 @@
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package mapping
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import (
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"fmt"
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"reflect"
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"strings"
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)
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const (
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emptyTag = ""
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tagKVSeparator = ":"
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)
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// Marshal marshals the given val and returns the map that contains the fields.
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// optional=another is not implemented, and it's hard to implement and not common used.
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func Marshal(val interface{}) (map[string]map[string]interface{}, error) {
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ret := make(map[string]map[string]interface{})
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tp := reflect.TypeOf(val)
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rv := reflect.ValueOf(val)
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for i := 0; i < tp.NumField(); i++ {
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field := tp.Field(i)
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value := rv.Field(i)
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if err := processMember(field, value, ret); err != nil {
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return nil, err
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}
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}
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return ret, nil
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}
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func getTag(field reflect.StructField) (string, bool) {
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tag := string(field.Tag)
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if i := strings.Index(tag, tagKVSeparator); i >= 0 {
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return strings.TrimSpace(tag[:i]), true
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}
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return strings.TrimSpace(tag), false
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}
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func processMember(field reflect.StructField, value reflect.Value,
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collector map[string]map[string]interface{}) error {
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var key string
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var opt *fieldOptions
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var err error
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tag, ok := getTag(field)
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if !ok {
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tag = emptyTag
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key = field.Name
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} else {
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key, opt, err = parseKeyAndOptions(tag, field)
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if err != nil {
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return err
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}
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if err = validate(field, value, opt); err != nil {
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return err
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}
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}
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val := value.Interface()
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if opt != nil && opt.FromString {
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val = fmt.Sprint(val)
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}
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m, ok := collector[tag]
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if ok {
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m[key] = val
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} else {
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m = map[string]interface{}{
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key: val,
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}
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}
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collector[tag] = m
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return nil
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}
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func validate(field reflect.StructField, value reflect.Value, opt *fieldOptions) error {
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if opt == nil || !opt.Optional {
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if err := validateOptional(field, value); err != nil {
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return err
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}
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}
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if opt == nil {
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return nil
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}
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if len(opt.Options) > 0 {
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if err := validateOptions(value, opt); err != nil {
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return err
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}
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}
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if opt.Range != nil {
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if err := validateRange(value, opt); err != nil {
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return err
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}
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}
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return nil
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}
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func validateOptional(field reflect.StructField, value reflect.Value) error {
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switch field.Type.Kind() {
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case reflect.Ptr:
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if value.IsNil() {
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return fmt.Errorf("field %q is nil", field.Name)
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}
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case reflect.Array, reflect.Slice, reflect.Map:
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if value.IsNil() || value.Len() == 0 {
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return fmt.Errorf("field %q is empty", field.Name)
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}
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}
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return nil
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}
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func validateOptions(value reflect.Value, opt *fieldOptions) error {
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var found bool
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val := fmt.Sprint(value.Interface())
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for i := range opt.Options {
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if opt.Options[i] == val {
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found = true
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break
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}
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}
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if !found {
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return fmt.Errorf("field %q not in options", val)
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}
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return nil
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}
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func validateRange(value reflect.Value, opt *fieldOptions) error {
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var val float64
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switch v := value.Interface().(type) {
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case int:
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val = float64(v)
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case int8:
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val = float64(v)
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case int16:
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val = float64(v)
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case int32:
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val = float64(v)
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case int64:
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val = float64(v)
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case uint:
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val = float64(v)
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case uint8:
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val = float64(v)
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case uint16:
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val = float64(v)
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case uint32:
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val = float64(v)
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case uint64:
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val = float64(v)
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case float32:
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val = float64(v)
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case float64:
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val = v
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default:
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return fmt.Errorf("unknown support type for range %q", value.Type().String())
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}
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// validates [left, right], [left, right), (left, right], (left, right)
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if val < opt.Range.left ||
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(!opt.Range.leftInclude && val == opt.Range.left) ||
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val > opt.Range.right ||
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(!opt.Range.rightInclude && val == opt.Range.right) {
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return fmt.Errorf("%v out of range", value.Interface())
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}
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return nil
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}
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@ -0,0 +1,233 @@
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package mapping
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestMarshal(t *testing.T) {
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v := struct {
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Name string `path:"name"`
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Address string `json:"address,options=[beijing,shanghai]"`
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Age int `json:"age"`
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Anonymous bool
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}{
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Name: "kevin",
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Address: "shanghai",
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Age: 20,
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Anonymous: true,
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}
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m, err := Marshal(v)
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assert.Nil(t, err)
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assert.Equal(t, "kevin", m["path"]["name"])
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assert.Equal(t, "shanghai", m["json"]["address"])
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assert.Equal(t, 20, m["json"]["age"].(int))
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assert.True(t, m[emptyTag]["Anonymous"].(bool))
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}
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func TestMarshal_OptionalPtr(t *testing.T) {
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var val = 1
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v := struct {
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Age *int `json:"age"`
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}{
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Age: &val,
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}
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m, err := Marshal(v)
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assert.Nil(t, err)
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assert.Equal(t, 1, *m["json"]["age"].(*int))
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}
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func TestMarshal_OptionalPtrNil(t *testing.T) {
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v := struct {
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Age *int `json:"age"`
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}{}
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_, err := Marshal(v)
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assert.NotNil(t, err)
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}
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func TestMarshal_BadOptions(t *testing.T) {
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v := struct {
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Name string `json:"name,options"`
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}{
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Name: "kevin",
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}
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_, err := Marshal(v)
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assert.NotNil(t, err)
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}
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func TestMarshal_NotInOptions(t *testing.T) {
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v := struct {
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Name string `json:"name,options=[a,b]"`
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}{
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Name: "kevin",
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}
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_, err := Marshal(v)
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assert.NotNil(t, err)
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}
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func TestMarshal_Nested(t *testing.T) {
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type address struct {
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Country string `json:"country"`
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City string `json:"city"`
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}
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v := struct {
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Name string `json:"name,options=[kevin,wan]"`
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Address address `json:"address"`
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}{
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Name: "kevin",
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Address: address{
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Country: "China",
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City: "Shanghai",
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},
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}
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m, err := Marshal(v)
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assert.Nil(t, err)
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assert.Equal(t, "kevin", m["json"]["name"])
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assert.Equal(t, "China", m["json"]["address"].(address).Country)
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assert.Equal(t, "Shanghai", m["json"]["address"].(address).City)
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}
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func TestMarshal_NestedPtr(t *testing.T) {
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type address struct {
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Country string `json:"country"`
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City string `json:"city"`
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}
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v := struct {
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Name string `json:"name,options=[kevin,wan]"`
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Address *address `json:"address"`
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}{
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Name: "kevin",
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Address: &address{
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Country: "China",
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City: "Shanghai",
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},
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}
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m, err := Marshal(v)
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assert.Nil(t, err)
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assert.Equal(t, "kevin", m["json"]["name"])
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assert.Equal(t, "China", m["json"]["address"].(*address).Country)
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assert.Equal(t, "Shanghai", m["json"]["address"].(*address).City)
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}
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func TestMarshal_Slice(t *testing.T) {
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v := struct {
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Name []string `json:"name"`
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}{
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Name: []string{"kevin", "wan"},
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}
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m, err := Marshal(v)
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assert.Nil(t, err)
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assert.ElementsMatch(t, []string{"kevin", "wan"}, m["json"]["name"].([]string))
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}
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func TestMarshal_SliceNil(t *testing.T) {
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v := struct {
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Name []string `json:"name"`
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}{
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Name: nil,
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}
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_, err := Marshal(v)
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assert.NotNil(t, err)
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}
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func TestMarshal_Range(t *testing.T) {
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v := struct {
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Int int `json:"int,range=[1:3]"`
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Int8 int8 `json:"int8,range=[1:3)"`
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Int16 int16 `json:"int16,range=(1:3]"`
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Int32 int32 `json:"int32,range=(1:3)"`
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Int64 int64 `json:"int64,range=(1:3)"`
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Uint uint `json:"uint,range=[1:3]"`
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Uint8 uint8 `json:"uint8,range=[1:3)"`
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Uint16 uint16 `json:"uint16,range=(1:3]"`
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Uint32 uint32 `json:"uint32,range=(1:3)"`
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Uint64 uint64 `json:"uint64,range=(1:3)"`
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Float32 float32 `json:"float32,range=(1:3)"`
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Float64 float64 `json:"float64,range=(1:3)"`
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}{
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Int: 1,
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Int8: 1,
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Int16: 2,
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Int32: 2,
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Int64: 2,
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Uint: 1,
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Uint8: 1,
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Uint16: 2,
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Uint32: 2,
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Uint64: 2,
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Float32: 2,
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Float64: 2,
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}
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m, err := Marshal(v)
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assert.Nil(t, err)
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assert.Equal(t, 1, m["json"]["int"].(int))
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assert.Equal(t, int8(1), m["json"]["int8"].(int8))
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assert.Equal(t, int16(2), m["json"]["int16"].(int16))
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assert.Equal(t, int32(2), m["json"]["int32"].(int32))
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assert.Equal(t, int64(2), m["json"]["int64"].(int64))
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assert.Equal(t, uint(1), m["json"]["uint"].(uint))
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assert.Equal(t, uint8(1), m["json"]["uint8"].(uint8))
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assert.Equal(t, uint16(2), m["json"]["uint16"].(uint16))
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assert.Equal(t, uint32(2), m["json"]["uint32"].(uint32))
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assert.Equal(t, uint64(2), m["json"]["uint64"].(uint64))
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assert.Equal(t, float32(2), m["json"]["float32"].(float32))
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assert.Equal(t, float64(2), m["json"]["float64"].(float64))
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}
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func TestMarshal_RangeOut(t *testing.T) {
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tests := []interface{}{
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struct {
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Int int `json:"int,range=[1:3]"`
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}{
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Int: 4,
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},
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struct {
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Int int `json:"int,range=(1:3]"`
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}{
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Int: 1,
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},
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struct {
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Int int `json:"int,range=[1:3)"`
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}{
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Int: 3,
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},
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struct {
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Int int `json:"int,range=(1:3)"`
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}{
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Int: 3,
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},
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struct {
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Bool bool `json:"bool,range=(1:3)"`
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}{
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Bool: true,
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},
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}
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for _, test := range tests {
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_, err := Marshal(test)
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assert.NotNil(t, err)
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}
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}
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func TestMarshal_FromString(t *testing.T) {
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v := struct {
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Age int `json:"age,string"`
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}{
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Age: 10,
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}
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m, err := Marshal(v)
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assert.Nil(t, err)
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assert.Equal(t, "10", m["json"]["age"].(string))
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}
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@ -1,6 +1,17 @@
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package httpc
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import "errors"
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const (
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pathKey = "path"
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formKey = "form"
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headerKey = "header"
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jsonKey = "json"
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slash = "/"
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colon = ':'
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contentType = "Content-Type"
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applicationJson = "application/json"
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)
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// ErrGetWithBody indicates that GET request with body.
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var ErrGetWithBody = errors.New("HTTP GET should not have body")
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Reference in New Issue