core/source/test/scala/com/rockymadden/stringmetric/filter/AsciiLetterOnlyFilterSpec.scala


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

package com.rockymadden.stringmetric.filter

import com.rockymadden.stringmetric.ScalaTest
import org.junit.runner.RunWith
import org.scalatest.junit.JUnitRunner

@RunWith(classOf[JUnitRunner])
final class AsciiLetterOnlyFilterSpec extends ScalaTest {
	import AsciiLetterOnlyFilterSpec.Filter

	"AsciiLetterOnlyFilter" should provide {
		"overloaded filter method" when passed {
			"String with mixed characters" should returns {
				"String with non-letters removed" in {
					Filter.filter("!@#$%^&*()abc") should equal ("abc")
					Filter.filter("!@#$%^&*()abc123") should equal ("abc")
					Filter.filter("abc!@#$%^&*()123") should equal ("abc")
				}
			}
			"character array with mixed characters" should returns {
				"character array with non-letters removed" in {
					Filter.filter("!@#$%^&*()abc".toCharArray) should equal ("abc".toCharArray)
					Filter.filter("!@#$%^&*()abc123".toCharArray) should equal ("abc".toCharArray)
					Filter.filter("abc!@#$%^&*()123".toCharArray) should equal ("abc".toCharArray)
				}
			}
		}
	}
}

object AsciiLetterOnlyFilterSpec {
	private final val Filter = new StringFilterDelegate with AsciiLetterOnlyFilter
}