v0.0.477 add langext.StrWrap
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This commit is contained in:
Mike Schwörer 2024-06-29 15:36:39 +02:00
parent dff8941bd3
commit cb95bb561c
Signed by: Mikescher
GPG Key ID: D3C7172E0A70F8CF
3 changed files with 176 additions and 3 deletions

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@ -1,5 +1,5 @@
package goext package goext
const GoextVersion = "0.0.476" const GoextVersion = "0.0.477"
const GoextVersionTimestamp = "2024-06-28T18:37:02+0200" const GoextVersionTimestamp = "2024-06-29T15:36:39+0200"

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@ -88,12 +88,15 @@ func StrRunePadRight(str string, pad string, padlen int) string {
func Indent(str string, pad string) string { func Indent(str string, pad string) string {
eonl := strings.HasSuffix(str, "\n") eonl := strings.HasSuffix(str, "\n")
if eonl {
str = str[0 : len(str)-1]
}
r := "" r := ""
for _, v := range strings.Split(str, "\n") { for _, v := range strings.Split(str, "\n") {
r += pad + v + "\n" r += pad + v + "\n"
} }
if eonl { if !eonl {
r = r[0 : len(r)-1] r = r[0 : len(r)-1]
} }
@ -115,3 +118,21 @@ func StrRepeat(val string, count int) string {
} }
return r return r
} }
func StrWrap(val string, linelen int, seperator string) string {
res := ""
for iPos := 0; ; {
next := min(iPos+linelen, len(val))
res += val[iPos:next]
iPos = next
if iPos >= len(val) {
break
}
res += seperator
}
return res
}

152
langext/string_test.go Normal file
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@ -0,0 +1,152 @@
package langext
import "testing"
func TestStrLimitBehaviour(t *testing.T) {
val := "Hello, World!"
maxlen := 5
suffix := "..."
expected := "He..."
result := StrLimit(val, maxlen, suffix)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrSplitBehaviour1(t *testing.T) {
val := "Hello,World,,"
sep := ","
expected := []string{"Hello", "World"}
result := StrSplit(val, sep, false)
if len(result) != len(expected) {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrSplitBehaviour2(t *testing.T) {
val := "Hello,World,,"
sep := ","
expected := []string{"Hello", "World", "", ""}
result := StrSplit(val, sep, true)
if len(result) != len(expected) {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrPadRightBehaviour(t *testing.T) {
str := "Hello"
pad := "*"
padlen := 10
expected := "Hello*****"
result := StrPadRight(str, pad, padlen)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrPadLeftBehaviour(t *testing.T) {
str := "Hello"
pad := "*"
padlen := 10
expected := "*****Hello"
result := StrPadLeft(str, pad, padlen)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrRunePadLeftBehaviour(t *testing.T) {
str := "Hello"
pad := "*"
padlen := 10
expected := "*****Hello"
result := StrRunePadLeft(str, pad, padlen)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrRunePadRightBehaviour(t *testing.T) {
str := "Hello"
pad := "*"
padlen := 10
expected := "Hello*****"
result := StrRunePadRight(str, pad, padlen)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestIndentBehaviour1(t *testing.T) {
str := "Hello\nWorld"
pad := ".."
expected := "..Hello\n..World"
result := Indent(str, pad)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestIndentBehaviour2(t *testing.T) {
str := "Hello\nWorld\n"
pad := ".."
expected := "..Hello\n..World\n"
result := Indent(str, pad)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrRepeatBehaviour(t *testing.T) {
val := "Hello"
count := 3
expected := "HelloHelloHello"
result := StrRepeat(val, count)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrWrapBehaviour1(t *testing.T) {
val := "123456789"
linelen := 5
seperator := "\n"
expected := "12345\n6789"
result := StrWrap(val, linelen, seperator)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrWrapBehaviour2(t *testing.T) {
val := "1234567890"
linelen := 5
seperator := "\n"
expected := "12345\n67890"
result := StrWrap(val, linelen, seperator)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrWrapBehaviour3(t *testing.T) {
val := "****************"
linelen := 4
seperator := "\n"
expected := "****\n****\n****\n****"
result := StrWrap(val, linelen, seperator)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}
func TestStrWrapBehaviour4(t *testing.T) {
val := "*****************"
linelen := 4
seperator := "\n"
expected := "****\n****\n****\n****\n*"
result := StrWrap(val, linelen, seperator)
if result != expected {
t.Errorf("Expected %v but got %v", expected, result)
}
}