func (s l10nStringer) L10NString(locale Spec) string {
args := make([]interface{}, len(s.args))
for i, arg := range s.args {
switch v := arg.(type) {
case Error:
arg = error(l10nStringerError{v, locale})
case Stringer:
arg = fmt.Stringer(l10nStringerStringer{v, locale})
}
args[i] = arg
}
return fmt.Sprintf(s.catalog.Translate(locale, s.format), args...)
}
package exql
import (
"fmt"
)
var (
_ = fmt.Stringer(&Raw{})
)
// Raw represents a value that is meant to be used in a query without escaping.
type Raw struct {
Value string // Value should not be modified after assigned.
hash hash
}
// RawValue creates and returns a new raw value.
func RawValue(v string) *Raw {
return &Raw{Value: v}
}
// Hash returns a unique identifier for the struct.
func (r *Raw) Hash() string {
return r.hash.Hash(r)
}
// Compile returns the raw value.
func (r *Raw) Compile(*Template) string {
return r.Value
}
func TestDeepRender(t *testing.T) {
// Note that we make some of the fields exportable. This is to avoid a fun case
// where the first reflect.Value has a read-only bit set, but follow-on values
// do not, so recursion tests are off by one.
type testStruct struct {
Name string
I interface{}
m string
}
type myStringSlice []string
type myStringMap map[string]string
type myIntType int
type myStringType string
s0 := "string0"
s0P := &s0
mit := myIntType(42)
stringer := fmt.Stringer(nil)
for _, tc := range []struct {
a interface{}
s string
}{
{nil, `nil`},
{make(chan int), `(chan int)(PTR)`},
{&stringer, `(*fmt.Stringer)(nil)`},
{123, `123`},
{"hello", `"hello"`},
{(*testStruct)(nil), `(*assertions.testStruct)(nil)`},
{(**testStruct)(nil), `(**assertions.testStruct)(nil)`},
{[]***testStruct(nil), `[]***assertions.testStruct(nil)`},
{testStruct{Name: "foo", I: &testStruct{Name: "baz"}},
`assertions.testStruct{Name:"foo", I:(*assertions.testStruct){Name:"baz", I:interface{}(nil), m:""}, m:""}`},
{[]byte(nil), `[]uint8(nil)`},
{[]byte{}, `[]uint8{}`},
{map[string]string(nil), `map[string]string(nil)`},
{[]*testStruct{
{Name: "foo"},
{Name: "bar"},
}, `[]*assertions.testStruct{(*assertions.testStruct){Name:"foo", I:interface{}(nil), m:""}, ` +
`(*assertions.testStruct){Name:"bar", I:interface{}(nil), m:""}}`},
{myStringSlice{"foo", "bar"}, `assertions.myStringSlice{"foo", "bar"}`},
{myStringMap{"foo": "bar"}, `assertions.myStringMap{"foo":"bar"}`},
{myIntType(12), `assertions.myIntType(12)`},
{&mit, `(*assertions.myIntType)(42)`},
{myStringType("foo"), `assertions.myStringType("foo")`},
{struct {
a int
b string
}{123, "foo"}, `struct { a int; b string }{a:123, b:"foo"}`},
{[]string{"foo", "foo", "bar", "baz", "qux", "qux"},
`[]string{"foo", "foo", "bar", "baz", "qux", "qux"}`},
{[...]int{1, 2, 3}, `[3]int{1, 2, 3}`},
{map[string]bool{
"foo": true,
"bar": false,
}, `map[string]bool{"bar":false, "foo":true}`},
{map[int]string{1: "foo", 2: "bar"}, `map[int]string{1:"foo", 2:"bar"}`},
{uint32(1337), `1337`},
{3.14, `3.14`},
{complex(3, 0.14), `(3+0.14i)`},
{&s0, `(*string)("string0")`},
{&s0P, `(**string)("string0")`},
{[]interface{}{nil, 1, 2, nil}, `[]interface{}{interface{}(nil), 1, 2, interface{}(nil)}`},
} {
pass(t, so(DeepRender(tc.a), ShouldEqual, tc.s))
}
// Recursive struct.
s := &testStruct{
Name: "recursive",
}
s.I = s
pass(t, so(DeepRender(s), ShouldEqual,
`(*assertions.testStruct){Name:"recursive", I:<REC(*assertions.testStruct)>, m:""}`))
// Recursive array.
a := [2]interface{}{}
a[0] = &a
a[1] = &a
pass(t, so(DeepRender(&a), ShouldEqual,
`(*[2]interface{}){<REC(*[2]interface{})>, <REC(*[2]interface{})>}`))
// Recursive map.
m := map[string]interface{}{}
foo := "foo"
m["foo"] = m
m["bar"] = [](*string){&foo, &foo}
v := []map[string]interface{}{m, m}
pass(t, so(DeepRender(v), ShouldEqual,
`[]map[string]interface{}{map[string]interface{}{`+
`"bar":[]*string{(*string)("foo"), (*string)("foo")}, `+
`"foo":<REC(map[string]interface{})>}, `+
`map[string]interface{}{`+
`"bar":[]*string{(*string)("foo"), (*string)("foo")}, `+
`"foo":<REC(map[string]interface{})>}}`))
}
func TestRenderList(t *testing.T) {
t.Parallel()
// Note that we make some of the fields exportable. This is to avoid a fun case
// where the first reflect.Value has a read-only bit set, but follow-on values
// do not, so recursion tests are off by one.
type testStruct struct {
Name string
I interface{}
m string
}
type myStringSlice []string
type myStringMap map[string]string
type myIntType int
type myStringType string
s0 := "string0"
s0P := &s0
mit := myIntType(42)
stringer := fmt.Stringer(nil)
for i, tc := range []struct {
a interface{}
s string
}{
{nil, `nil`},
{make(chan int), `(chan int)(PTR)`},
{&stringer, `(*fmt.Stringer)(nil)`},
{123, `123`},
{"hello", `"hello"`},
{(*testStruct)(nil), `(*render.testStruct)(nil)`},
{(**testStruct)(nil), `(**render.testStruct)(nil)`},
{[]***testStruct(nil), `[]***render.testStruct(nil)`},
{testStruct{Name: "foo", I: &testStruct{Name: "baz"}},
`render.testStruct{Name:"foo", I:(*render.testStruct){Name:"baz", I:interface{}(nil), m:""}, m:""}`},
{[]byte(nil), `[]uint8(nil)`},
{[]byte{}, `[]uint8{}`},
{map[string]string(nil), `map[string]string(nil)`},
{[]*testStruct{
{Name: "foo"},
{Name: "bar"},
}, `[]*render.testStruct{(*render.testStruct){Name:"foo", I:interface{}(nil), m:""}, ` +
`(*render.testStruct){Name:"bar", I:interface{}(nil), m:""}}`},
{myStringSlice{"foo", "bar"}, `render.myStringSlice{"foo", "bar"}`},
{myStringMap{"foo": "bar"}, `render.myStringMap{"foo":"bar"}`},
{myIntType(12), `render.myIntType(12)`},
{&mit, `(*render.myIntType)(42)`},
{myStringType("foo"), `render.myStringType("foo")`},
{struct {
a int
b string
}{123, "foo"}, `struct { a int; b string }{a:123, b:"foo"}`},
{[]string{"foo", "foo", "bar", "baz", "qux", "qux"},
`[]string{"foo", "foo", "bar", "baz", "qux", "qux"}`},
{[...]int{1, 2, 3}, `[3]int{1, 2, 3}`},
{map[string]bool{
"foo": true,
"bar": false,
}, `map[string]bool{"bar":false, "foo":true}`},
{map[int]string{1: "foo", 2: "bar"}, `map[int]string{1:"foo", 2:"bar"}`},
{uint32(1337), `1337`},
{3.14, `3.14`},
{complex(3, 0.14), `(3+0.14i)`},
{&s0, `(*string)("string0")`},
{&s0P, `(**string)("string0")`},
{[]interface{}{nil, 1, 2, nil}, `[]interface{}{interface{}(nil), 1, 2, interface{}(nil)}`},
} {
assertRendersLike(t, fmt.Sprintf("Input #%d", i), tc.a, tc.s)
}
}
// Example:
// Logger := log.LogfmtLogger(os.Stderr)
// Logger = log.StringifyLogger{Logger}
type StringifyLogger struct {
Logger
}
func (l StringifyLogger) Log(keyvals ...interface{}) error {
for i := 1; i < len(keyvals); i += 2 {
switch keyvals[i].(type) {
case string, fmt.Stringer, fmt.Formatter:
case error:
default:
keyvals[i] = StringWrap{Value: keyvals[i]}
}
}
return l.Logger.Log(keyvals...)
}
var _ = fmt.Stringer(StringWrap{})
// StringWrap wraps the Value as a fmt.Stringer.
type StringWrap struct {
Value interface{}
}
// String returns a string representation (%v) of the underlying Value.
func (sw StringWrap) String() string {
return fmt.Sprintf("%v", sw.Value)
}
{nil, "<nil> <nil>"},
{1, "int 1"},
{int(1), "int 1"},
{Int(int(2)), "main.Int Int=2"},
{int(Int(3)), "int 3"},
{[1]int{2}, "[1]int [2]"},
{io.Reader(io.ReadWriter(io.ReadWriteSeeker(nil))), "<nil> <nil>"},
{io.Reader(io.ReadWriter(io.ReadWriteSeeker(&RWS{}))), "*main.RWS rws"},
{makeRWS(), "*main.RWS rws"},
{map[string]string{"here": "there"}, "map[string]string map[here:there]"},
{chan bool(nil), "chan bool <nil>"},
{unsafe.Pointer(uintptr(0)), "unsafe.Pointer <nil>"},
{(*byte)(nil), "*uint8 <nil>"},
{io.Writer((*os.File)(nil)), "*os.File <nil>"},
{(interface{})(io.Writer((*os.File)(nil))), "*os.File <nil>"},
{fmt.Stringer(Strunger(((*Int)(nil)))), "*main.Int <nil>"},
}
type Int int
func (i Int) String() string { return fmt.Sprintf("Int=%d", i) }
func (i Int) Strung() {}
type Strunger interface {
fmt.Stringer
Strung()
}
// Test correct construction of static non-empty interface values
var ifaces = [...]struct {
x fmt.Stringer
