package qso

import "testing"

// The search box is the one place an operator types a callsign fragment, and
// the three shapes below are what they expect from every other logger. A plain
// word is a PREFIX: it used to be an unconditional contains-match, so asking
// for "calls starting with 4S" was impossible.
func TestQuickCallsignLike(t *testing.T) {
	for _, tc := range []struct{ in, want, why string }{
		{"4S", "4S%", "plain text is a prefix"},
		{"*4S", "%4S", "a leading star means ends-with"},
		{"*4S*", "%4S%", "stars both ends mean contains"},
		{"4S*", "4S%", "a trailing star is the same prefix, written out"},
		{"4S?", "4S_", "? is exactly one character"},
		{"*", "%", "a lone star matches everything"},
		{"  4S  ", "4S%", "surrounding space is not part of the call"},
		// Escaping: a LIKE metacharacter the operator typed is a literal.
		{"A_B", "A!_B%", "_ typed by hand is a literal underscore"},
		{"50%", "50!%%", "% typed by hand is a literal percent"},
		{"A!B", "A!!B%", "the escape character escapes itself"},
		{"*A_B*", "%A!_B%", "escaping still applies inside a wildcard pattern"},
	} {
		if got := quickCallsignLike(tc.in); got != tc.want {
			t.Errorf("quickCallsignLike(%q) = %q, want %q — %s", tc.in, got, tc.want, tc.why)
		}
	}
}