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package uuid
import (
"github.com/stretchr/testify/assert"
"regexp"
"strings"
"testing"
)
const (
clean = `[0-9a-f]{8}[0-9a-f]{4}[1-5][0-9a-f]{3}[0-9a-f]{4}[0-9a-f]{12}`
cleanHexPattern = `^` + clean + `$`
curlyHexPattern = `^\{` + clean + `\}$`
bracketHexPattern = `^\(` + clean + `\)$`
hyphen = `[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[0-9a-f]{4}-[0-9a-f]{12}`
cleanHyphenHexPattern = `^` + hyphen + `$`
curlyHyphenHexPattern = `^\{` + hyphen + `\}$`
bracketHyphenHexPattern = `^\(` + hyphen + `\)$`
urnHexPattern = `^urn:uuid:` + hyphen + `$`
)
var (
formats = []Format{
FormatCanonicalCurly,
FormatHex,
FormatHexCurly,
FormatHexBracket,
FormatCanonical,
FormatCanonicalBracket,
FormatUrn,
}
patterns = []string{
curlyHyphenHexPattern,
cleanHexPattern,
curlyHexPattern,
bracketHexPattern,
cleanHyphenHexPattern,
bracketHyphenHexPattern,
urnHexPattern,
}
)
func TestSwitchFormat(t *testing.T) {
ids := []UUID{NewV4(), NewV4()}
// Reset default
SwitchFormat(FormatCanonical)
for _, u := range ids {
for i := range formats {
SwitchFormat(formats[i])
assert.True(t, regexp.MustCompile(patterns[i]).MatchString(u.String()), "Format %s must compile pattern %s", formats[i], patterns[i])
}
}
assert.True(t, didSwitchFormatPanic(""), "Switch format should panic when format invalid")
assert.True(t, didSwitchFormatPanic("%c%c%c%x%x%x"), "Switch format should panic when format invalid")
assert.True(t, didSwitchFormatPanic("%x%X%x"), "Switch format should panic when format invalid")
assert.True(t, didSwitchFormatPanic("%x%x%x%x%x%%%%"), "Switch format should panic when format invalid")
// Reset default
SwitchFormat(FormatCanonical)
}
func didSwitchFormatPanic(pFormat string) bool {
return func() (didPanic bool) {
defer func() {
if recover() != nil {
didPanic = true
}
}()
SwitchFormat(Format(pFormat))
return
}()
}
func TestSwitchFormatToUpper(t *testing.T) {
ids := []UUID{NewV4(), NewV4()}
// Reset default
SwitchFormat(FormatCanonical)
for _, u := range ids {
for i := range formats {
SwitchFormatToUpper(formats[i])
assert.True(t, regexp.MustCompile(strings.ToUpper(patterns[i])).MatchString(u.String()), "Format %s must compile pattern %s", formats[i], patterns[i])
}
}
assert.True(t, didSwitchFormatToUpperPanic(""), "Switch format should panic when format invalid")
assert.True(t, didSwitchFormatToUpperPanic("%c%c%c%x%x%x"), "Switch format should panic when format invalid")
assert.True(t, didSwitchFormatToUpperPanic("%x%X%x"), "Switch format should panic when format invalid")
assert.True(t, didSwitchFormatToUpperPanic("%x%x%x%x%x%%%%"), "Switch format should panic when format invalid")
// Reset default
SwitchFormat(FormatCanonical)
}
func didSwitchFormatToUpperPanic(pFormat string) bool {
return func() (didPanic bool) {
defer func() {
if recover() != nil {
didPanic = true
}
}()
SwitchFormatToUpper(Format(pFormat))
return
}()
}
func TestFormatter(t *testing.T) {
ids := []UUID{NewV4(), NewV4()}
for _, u := range ids {
for i := range formats {
assert.True(t, regexp.MustCompile(patterns[i]).MatchString(Formatter(u, formats[i])), "Format must compile")
}
}
for k, v := range namespaces {
s := Formatter(k, FormatCanonical)
assert.Equal(t, v, s, "Should match")
s = Formatter(k, Format(strings.ToUpper(string(FormatCanonical))))
assert.Equal(t, strings.ToUpper(v), s, "Should match")
}
assert.True(t, didFormatterPanic(""), "Should panic when format invalid")
assert.True(t, didFormatterPanic("%c%c%c%x%x%x"), "Should panic when format invalid")
assert.True(t, didFormatterPanic("%x%X%x"), "Should panic when format invalid")
assert.True(t, didFormatterPanic("%x%x%x%x%x%%%%"), "Should panic when format invalid")
}
func didFormatterPanic(pFormat string) bool {
return func() (didPanic bool) {
defer func() {
if recover() != nil {
didPanic = true
}
}()
Formatter(NameSpaceDNS, Format(pFormat))
return
}()
}
|
