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Str_test.go
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package gohelper
import (
"testing"
)
func TestRandStr(t *testing.T) {
var tests = []struct {
len int
out int
}{
{1, 1},
{2, 2},
{4, 4},
{8, 8},
{16, 16},
{32, 32},
{64, 64},
{128, 128},
{256, 256},
{512, 512},
{1024, 1024},
{2048, 2048},
}
for _, tt := range tests {
got := RandStr(tt.len)
if len(got) != tt.out {
t.Errorf("RandStr(%d) = %d, want: %d", tt.len, len(got), tt.out)
}
}
}
func TestRandStrWithOption(t *testing.T) {
var tests = []struct {
len int
out int
}{
{1, 1},
{2, 2},
{4, 4},
{8, 8},
{16, 16},
{32, 32},
{64, 64},
{128, 128},
{256, 256},
{512, 512},
{1024, 1024},
{2048, 2048},
}
for _, tt := range tests {
got := RandStrWithOption(tt.len, Option{
IncludeNumber: true,
IncludeUppercase: true,
IncludeSymbol: true,
})
if len(got) != tt.out {
t.Errorf("RandStr(%d) = %d, want: %d", tt.len, len(got), tt.out)
}
}
}
func TestEmpty(t *testing.T) {
var tests = []struct {
in any
out bool
}{
{"", true},
{"0", false},
{".0", false},
{false, true},
{true, false},
{nil, true},
{0, true},
{0.1, false},
{3.14, false},
{uint(0), true},
{int64(-1), false},
{[]string{}, true},
{[]int{}, true},
{[...]string{}, true},
{[...]int{}, true},
{map[string]any{}, true},
{make(map[string]int), true},
}
for _, tt := range tests {
if got := Empty(tt.in); got != tt.out {
t.Errorf("Empty(%v) = %v, want: %v", tt.in, got, tt.out)
}
}
}
func TestTrim(t *testing.T) {
tests := []struct {
name string
s string
char string
out string
}{
{name: "test case 1", s: "hello", char: "", out: "hello"},
{name: "trim case 2", s: " hello ", char: " ", out: "hello"},
{name: "trim case 3", s: " hello ", char: "", out: "hello"},
{name: "trim case 4", s: " hello ", char: "h", out: " hello "},
{name: "trim case 5", s: " hello ", char: "h ", out: "ello"},
{name: "trim case 6", s: " hello ", char: " h", out: "ello"},
{name: "trim case 7", s: " hello ", char: "lo", out: " hello "},
{name: "trim case 8", s: " hello ", char: "lo ", out: "he"},
{name: "trim case 9", s: " hello ", char: " lo", out: "he"},
{name: "trim case 10", s: "hello ", char: "he", out: "llo "},
{name: "trim case 11", s: "12345678987654321", char: "1-8", out: "9"},
{name: "trim case 12", s: "040400204000", char: "04", out: "2"},
{name: "trim case 13", s: " \r\nhello \r\n \n \t ", char: "", out: "hello"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := Trim(tt.s, tt.char)
if got != tt.out {
t.Errorf("Trim(%v, %v) = %v, want: %v", tt.s, tt.char, got, tt.out)
}
})
}
}
func TestTrimLeft(t *testing.T) {
tests := []struct {
name string
s string
char string
out string
}{
{name: "test case 1", s: "hello", char: "", out: "hello"},
{name: "trim case 2", s: " hello ", char: " ", out: "hello "},
{name: "trim case 3", s: " hello ", char: "", out: "hello "},
{name: "trim case 4", s: " hello ", char: "h", out: " hello "},
{name: "trim case 5", s: " hello ", char: "h ", out: "ello "},
{name: "trim case 6", s: " hello ", char: " h", out: "ello "},
{name: "trim case 7", s: " hello ", char: "lo", out: " hello "},
{name: "trim case 8", s: " hello ", char: "lo ", out: "hello "},
{name: "trim case 9", s: " hello ", char: " lo", out: "hello "},
{name: "trim case 10", s: "hello ", char: "he", out: "llo "},
{name: "trim case 11", s: "12345678987654321", char: "1-8", out: "987654321"},
{name: "trim case 12", s: "040400204000", char: "04", out: "204000"},
{name: "trim case 13", s: " \r\nhello \r\n \n \t ", char: "", out: "hello \r\n \n \t "},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := TrimLeft(tt.s, tt.char)
if got != tt.out {
t.Errorf("TrimLeft(%v, %v) = %v, want: %v", tt.s, tt.char, got, tt.out)
}
})
}
}
func TestTrimRight(t *testing.T) {
tests := []struct {
name string
s string
char string
out string
}{
{name: "test case 1", s: "hello", char: "", out: "hello"},
{name: "trim case 2", s: " hello ", char: " ", out: " hello"},
{name: "trim case 3", s: " hello ", char: "", out: " hello"},
{name: "trim case 4", s: " hello ", char: "h", out: " hello "},
{name: "trim case 5", s: " hello ", char: "h ", out: " hello"},
{name: "trim case 6", s: " hello ", char: " h", out: " hello"},
{name: "trim case 7", s: " hello ", char: "lo", out: " hello "},
{name: "trim case 8", s: " hello ", char: "lo ", out: " he"},
{name: "trim case 9", s: " hello ", char: " lo", out: " he"},
{name: "trim case 10", s: "hello ", char: "he", out: "hello "},
{name: "trim case 11", s: "12345678987654321", char: "1-8", out: "123456789"},
{name: "trim case 12", s: "040400204000", char: "04", out: "0404002"},
{name: "trim case 13", s: " \r\nhello \r\n \n \t ", char: "", out: " \r\nhello"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := TrimRight(tt.s, tt.char)
if got != tt.out {
t.Errorf("TrimRight(%v, %v) = %v, want: %v", tt.s, tt.char, got, tt.out)
}
})
}
}