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cast/cast_test.go

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// Copyright © 2014 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package cast
import (
"html/template"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestToInt(t *testing.T) {
var eight interface{} = 8
assert.Equal(t, ToInt(8), 8)
assert.Equal(t, ToInt(8.31), 8)
assert.Equal(t, ToInt("8"), 8)
assert.Equal(t, ToInt(true), 1)
assert.Equal(t, ToInt(false), 0)
assert.Equal(t, ToInt(eight), 8)
}
func TestToInt64(t *testing.T) {
var eight interface{} = 8
assert.Equal(t, ToInt64(int64(8)), int64(8))
assert.Equal(t, ToInt64(8), int64(8))
assert.Equal(t, ToInt64(8.31), int64(8))
assert.Equal(t, ToInt64("8"), int64(8))
assert.Equal(t, ToInt64(true), int64(1))
assert.Equal(t, ToInt64(false), int64(0))
assert.Equal(t, ToInt64(eight), int64(8))
}
func TestToInt32(t *testing.T) {
var eight interface{} = 8
assert.Equal(t, ToInt32(int32(8)), int32(8))
assert.Equal(t, ToInt32(8), int32(8))
assert.Equal(t, ToInt32(8.31), int32(8))
assert.Equal(t, ToInt32("8"), int32(8))
assert.Equal(t, ToInt32(true), int32(1))
assert.Equal(t, ToInt32(false), int32(0))
assert.Equal(t, ToInt32(eight), int32(8))
}
func TestToInt16(t *testing.T) {
var eight interface{} = 8
assert.Equal(t, ToInt16(int16(8)), int16(8))
assert.Equal(t, ToInt16(8), int16(8))
assert.Equal(t, ToInt16(8.31), int16(8))
assert.Equal(t, ToInt16("8"), int16(8))
assert.Equal(t, ToInt16(true), int16(1))
assert.Equal(t, ToInt16(false), int16(0))
assert.Equal(t, ToInt16(eight), int16(8))
}
func TestToInt8(t *testing.T) {
var eight interface{} = 8
assert.Equal(t, ToInt8(int8(8)), int8(8))
assert.Equal(t, ToInt8(8), int8(8))
assert.Equal(t, ToInt8(8.31), int8(8))
assert.Equal(t, ToInt8("8"), int8(8))
assert.Equal(t, ToInt8(true), int8(1))
assert.Equal(t, ToInt8(false), int8(0))
assert.Equal(t, ToInt8(eight), int8(8))
}
func TestToFloat64(t *testing.T) {
var eight interface{} = 8
assert.Equal(t, ToFloat64(8), 8.00)
assert.Equal(t, ToFloat64(8.31), 8.31)
assert.Equal(t, ToFloat64("8.31"), 8.31)
assert.Equal(t, ToFloat64(eight), 8.0)
}
func TestToString(t *testing.T) {
var foo interface{} = "one more time"
assert.Equal(t, ToString(8), "8")
assert.Equal(t, ToString(int64(16)), "16")
assert.Equal(t, ToString(8.12), "8.12")
assert.Equal(t, ToString([]byte("one time")), "one time")
assert.Equal(t, ToString(template.HTML("one time")), "one time")
assert.Equal(t, ToString(template.URL("http://somehost.foo")), "http://somehost.foo")
assert.Equal(t, ToString(template.JS("(1+2)")), "(1+2)")
assert.Equal(t, ToString(template.CSS("a")), "a")
assert.Equal(t, ToString(template.HTMLAttr("a")), "a")
assert.Equal(t, ToString(foo), "one more time")
assert.Equal(t, ToString(nil), "")
assert.Equal(t, ToString(true), "true")
assert.Equal(t, ToString(false), "false")
}
type foo struct {
val string
}
func (x foo) String() string {
return x.val
}
func TestStringerToString(t *testing.T) {
var x foo
x.val = "bar"
assert.Equal(t, "bar", ToString(x))
}
type fu struct {
val string
}
func (x fu) Error() string {
return x.val
}
func TestErrorToString(t *testing.T) {
var x fu
x.val = "bar"
assert.Equal(t, "bar", ToString(x))
}
func TestMaps(t *testing.T) {
var taxonomies = map[interface{}]interface{}{"tag": "tags", "group": "groups"}
var stringMapBool = map[interface{}]interface{}{"v1": true, "v2": false}
// ToStringMapString inputs/outputs
var stringMapString = map[string]string{"key 1": "value 1", "key 2": "value 2", "key 3": "value 3"}
var stringMapInterface = map[string]interface{}{"key 1": "value 1", "key 2": "value 2", "key 3": "value 3"}
var interfaceMapString = map[interface{}]string{"key 1": "value 1", "key 2": "value 2", "key 3": "value 3"}
var interfaceMapInterface = map[interface{}]interface{}{"key 1": "value 1", "key 2": "value 2", "key 3": "value 3"}
// ToStringMapStringSlice inputs/outputs
var stringMapStringSlice = map[string][]string{"key 1": {"value 1", "value 2", "value 3"}, "key 2": {"value 1", "value 2", "value 3"}, "key 3": {"value 1", "value 2", "value 3"}}
var stringMapInterfaceSlice = map[string][]interface{}{"key 1": {"value 1", "value 2", "value 3"}, "key 2": {"value 1", "value 2", "value 3"}, "key 3": {"value 1", "value 2", "value 3"}}
var stringMapStringSingleSliceFieldsResult = map[string][]string{"key 1": {"value", "1"}, "key 2": {"value", "2"}, "key 3": {"value", "3"}}
var interfaceMapStringSlice = map[interface{}][]string{"key 1": {"value 1", "value 2", "value 3"}, "key 2": {"value 1", "value 2", "value 3"}, "key 3": {"value 1", "value 2", "value 3"}}
var interfaceMapInterfaceSlice = map[interface{}][]interface{}{"key 1": {"value 1", "value 2", "value 3"}, "key 2": {"value 1", "value 2", "value 3"}, "key 3": {"value 1", "value 2", "value 3"}}
var stringMapStringSliceMultiple = map[string][]string{"key 1": {"value 1", "value 2", "value 3"}, "key 2": {"value 1", "value 2", "value 3"}, "key 3": {"value 1", "value 2", "value 3"}}
var stringMapStringSliceSingle = map[string][]string{"key 1": {"value 1"}, "key 2": {"value 2"}, "key 3": {"value 3"}}
var stringMapInterface1 = map[string]interface{}{"key 1": []string{"value 1"}, "key 2": []string{"value 2"}}
var stringMapInterfaceResult1 = map[string][]string{"key 1": {"value 1"}, "key 2": {"value 2"}}
assert.Equal(t, ToStringMap(taxonomies), map[string]interface{}{"tag": "tags", "group": "groups"})
assert.Equal(t, ToStringMapBool(stringMapBool), map[string]bool{"v1": true, "v2": false})
// ToStringMapString tests
assert.Equal(t, ToStringMapString(stringMapString), stringMapString)
assert.Equal(t, ToStringMapString(stringMapInterface), stringMapString)
assert.Equal(t, ToStringMapString(interfaceMapString), stringMapString)
assert.Equal(t, ToStringMapString(interfaceMapInterface), stringMapString)
// ToStringMapStringSlice tests
assert.Equal(t, ToStringMapStringSlice(stringMapStringSlice), stringMapStringSlice)
assert.Equal(t, ToStringMapStringSlice(stringMapInterfaceSlice), stringMapStringSlice)
assert.Equal(t, ToStringMapStringSlice(stringMapStringSliceMultiple), stringMapStringSlice)
assert.Equal(t, ToStringMapStringSlice(stringMapStringSliceMultiple), stringMapStringSlice)
assert.Equal(t, ToStringMapStringSlice(stringMapString), stringMapStringSliceSingle)
assert.Equal(t, ToStringMapStringSlice(stringMapInterface), stringMapStringSliceSingle)
assert.Equal(t, ToStringMapStringSlice(interfaceMapStringSlice), stringMapStringSlice)
assert.Equal(t, ToStringMapStringSlice(interfaceMapInterfaceSlice), stringMapStringSlice)
assert.Equal(t, ToStringMapStringSlice(interfaceMapString), stringMapStringSingleSliceFieldsResult)
assert.Equal(t, ToStringMapStringSlice(interfaceMapInterface), stringMapStringSingleSliceFieldsResult)
assert.Equal(t, ToStringMapStringSlice(stringMapInterface1), stringMapInterfaceResult1)
}
func TestSlices(t *testing.T) {
assert.Equal(t, []string{"a", "b"}, ToStringSlice([]string{"a", "b"}))
assert.Equal(t, []string{"1", "3"}, ToStringSlice([]interface{}{1, 3}))
assert.Equal(t, []int{1, 3}, ToIntSlice([]int{1, 3}))
assert.Equal(t, []int{1, 3}, ToIntSlice([]interface{}{1.2, 3.2}))
assert.Equal(t, []int{2, 3}, ToIntSlice([]string{"2", "3"}))
assert.Equal(t, []int{2, 3}, ToIntSlice([2]string{"2", "3"}))
assert.Equal(t, []bool{true, false, true}, ToBoolSlice([]bool{true, false, true}))
assert.Equal(t, []bool{true, false, true}, ToBoolSlice([]interface{}{true, false, true}))
assert.Equal(t, []bool{true, false, true}, ToBoolSlice([]int{1, 0, 1}))
assert.Equal(t, []bool{true, false, true}, ToBoolSlice([]string{"true", "false", "true"}))
}
func TestToBool(t *testing.T) {
assert.Equal(t, ToBool(0), false)
assert.Equal(t, ToBool(nil), false)
assert.Equal(t, ToBool("false"), false)
assert.Equal(t, ToBool("FALSE"), false)
assert.Equal(t, ToBool("False"), false)
assert.Equal(t, ToBool("f"), false)
assert.Equal(t, ToBool("F"), false)
assert.Equal(t, ToBool(false), false)
assert.Equal(t, ToBool("foo"), false)
assert.Equal(t, ToBool("true"), true)
assert.Equal(t, ToBool("TRUE"), true)
assert.Equal(t, ToBool("True"), true)
assert.Equal(t, ToBool("t"), true)
assert.Equal(t, ToBool("T"), true)
assert.Equal(t, ToBool(1), true)
assert.Equal(t, ToBool(true), true)
assert.Equal(t, ToBool(-1), true)
}
func BenchmarkTooBool(b *testing.B) {
for i := 0; i < b.N; i++ {
if !ToBool(true) {
b.Fatal("ToBool returned false")
}
}
}
func TestIndirectPointers(t *testing.T) {
x := 13
y := &x
z := &y
assert.Equal(t, ToInt(y), 13)
assert.Equal(t, ToInt(z), 13)
}
func TestToTimeE(t *testing.T) {
cases := []struct {
input interface{}
want time.Time
}{
{"2009-11-10 23:00:00 +0000 UTC", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // Time.String()
{"Tue Nov 10 23:00:00 2009", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // ANSIC
{"Tue Nov 10 23:00:00 UTC 2009", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // UnixDate
{"Tue Nov 10 23:00:00 +0000 2009", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // RubyDate
{"10 Nov 09 23:00 UTC", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // RFC822
{"10 Nov 09 23:00 +0000", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // RFC822Z
{"Tuesday, 10-Nov-09 23:00:00 UTC", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // RFC850
{"Tue, 10 Nov 2009 23:00:00 UTC", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // RFC1123
{"Tue, 10 Nov 2009 23:00:00 +0000", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // RFC1123Z
{"2009-11-10T23:00:00Z", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // RFC3339
{"2009-11-10T23:00:00Z", time.Date(2009, 11, 10, 23, 0, 0, 0, time.UTC)}, // RFC3339Nano
{"11:00PM", time.Date(0, 1, 1, 23, 0, 0, 0, time.UTC)}, // Kitchen
{"Nov 10 23:00:00", time.Date(0, 11, 10, 23, 0, 0, 0, time.UTC)}, // Stamp
{"Nov 10 23:00:00.000", time.Date(0, 11, 10, 23, 0, 0, 0, time.UTC)}, // StampMilli
{"Nov 10 23:00:00.000000", time.Date(0, 11, 10, 23, 0, 0, 0, time.UTC)}, // StampMicro
{"Nov 10 23:00:00.000000000", time.Date(0, 11, 10, 23, 0, 0, 0, time.UTC)}, // StampNano
{"2016-03-06 15:28:01-00:00", time.Date(2016, 3, 6, 15, 28, 1, 0, time.UTC)}, // RFC3339 without T
{"2016-03-06 15:28:01", time.Date(2016, 3, 6, 15, 28, 1, 0, time.UTC)},
{"2016-03-06 15:28:01 -0000", time.Date(2016, 3, 6, 15, 28, 1, 0, time.UTC)},
{"2016-03-06 15:28:01 -00:00", time.Date(2016, 3, 6, 15, 28, 1, 0, time.UTC)},
{"2006-01-02", time.Date(2006, 1, 2, 0, 0, 0, 0, time.UTC)},
{"02 Jan 2006", time.Date(2006, 1, 2, 0, 0, 0, 0, time.UTC)},
{1472574600, time.Date(2016, 8, 30, 16, 30, 0, 0, time.UTC)},
{int(1482597504), time.Date(2016, 12, 24, 16, 38, 24, 0, time.UTC)},
{int32(1234567890), time.Date(2009, 2, 13, 23, 31, 30, 0, time.UTC)},
}
for _, c := range cases {
v, err := ToTimeE(c.input)
assert.NoError(t, err)
assert.Equal(t, v.UTC(), c.want)
}
}
func TestToDuration(t *testing.T) {
var td time.Duration = 5
tests := []struct {
input interface{}
expected time.Duration
}{
{time.Duration(5), td},
{int64(5), td},
{int32(5), td},
{int16(5), td},
{int8(5), td},
{int(5), td},
{float64(5), td},
{float32(5), td},
{string("5"), td},
{string("5ns"), td},
{string("5us"), time.Microsecond * td},
{string("5µs"), time.Microsecond * td},
{string("5ms"), time.Millisecond * td},
{string("5s"), time.Second * td},
{string("5m"), time.Minute * td},
{string("5h"), time.Hour * td},
}
for _, v := range tests {
assert.Equal(t, v.expected, ToDuration(v.input))
}
}
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