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Implement stringutils.Ellipsis()

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This patch implements an Ellipsis utility to
append an ellipsis (...)  when truncating
strings in output.

It also fixes the existing Truncate() utility
to be compatible with unicode/multibyte characters.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2016-08-10 15:54:14 +02:00
parent ed1a313d8f
commit 51dc35cf23
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GPG key ID: 76698F39D527CE8C
7 changed files with 52 additions and 22 deletions
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32
pkg/stringutils/stringutils_test.go
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@ -57,24 +57,40 @@ func TestGenerateRandomAsciiStringIsAscii(t *testing.T) {
}
}
func TestEllipsis(t *testing.T) {
str := "t🐳ststring"
newstr := Ellipsis(str, 3)
if newstr != "t🐳s" {
t.Fatalf("Expected t🐳s, got %s", newstr)
}
newstr = Ellipsis(str, 8)
if newstr != "t🐳sts..." {
t.Fatalf("Expected tests..., got %s", newstr)
}
newstr = Ellipsis(str, 20)
if newstr != "t🐳ststring" {
t.Fatalf("Expected t🐳ststring, got %s", newstr)
}
}
func TestTruncate(t *testing.T) {
str := "teststring"
str := "t🐳ststring"
newstr := Truncate(str, 4)
if newstr != "test" {
t.Fatalf("Expected test, got %s", newstr)
if newstr != "t🐳st" {
t.Fatalf("Expected t🐳st, got %s", newstr)
}
newstr = Truncate(str, 20)
if newstr != "teststring" {
t.Fatalf("Expected teststring, got %s", newstr)
if newstr != "t🐳ststring" {
t.Fatalf("Expected t🐳ststring, got %s", newstr)
}
}
func TestInSlice(t *testing.T) {
slice := []string{"test", "in", "slice"}
slice := []string{"t🐳st", "in", "slice"}
test := InSlice(slice, "test")
test := InSlice(slice, "t🐳st")
if !test {
t.Fatalf("Expected string test to be in slice")
t.Fatalf("Expected string t🐳st to be in slice")
}
test = InSlice(slice, "SLICE")
if !test {