Files
2026-09-15 13:11:20 +01:00

61 lines
1.3 KiB
Go

package instructions
import (
"strings"
"testing"
)
func TestFormat_empty(t *testing.T) {
tests := []struct {
name string
input string
want string
}{
{"empty_string", "", ""},
{"whitespace_only", " ", ""},
{"newline_only", "\n\n", ""},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := Format(tt.input); got != tt.want {
t.Errorf("Format(%q) = %q; want %q", tt.input, got, tt.want)
}
})
}
}
func TestFormat_valid(t *testing.T) {
tests := []struct {
name string
input string
}{
{"single_line", "hello world"},
{"multi_line", "line 1\nline 2\nline 3"},
{"trailing_newlines", "content\n\n\n"},
{"leading_whitespace", "\n\ncontent"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := Format(tt.input)
if !strings.HasPrefix(got, "> Instructions:\n") {
t.Errorf("missing instructions header")
}
if !strings.HasSuffix(got, "\n") {
t.Errorf("does not end with newline")
}
lines := strings.Split(got, "\n")
for _, line := range lines {
if line != "" && !strings.HasPrefix(line, ">") {
t.Errorf("line does not start with '>': %q", line)
}
}
})
}
}
func TestFileName_constant(t *testing.T) {
if FileName != ".dirmd" {
t.Errorf("FileName = %q; want \".dirmd\"", FileName)
}
}