Rename methods in Regex. Add matchEntire method to match entire string against regex.

This commit is contained in:
Ilya Gorbunov
2015-10-14 07:44:19 +03:00
parent d860f335a3
commit d1d865aa0f
7 changed files with 80 additions and 26 deletions
+4 -4
View File
@@ -1,17 +1,17 @@
package test.text
import kotlin.test.*
import org.junit.Test as test
import org.junit.Test
class RegexJVMTest {
@test fun matchGroups() {
@Test fun matchGroups() {
val input = "1a 2b 3c"
val regex = "(\\d)(\\w)".toRegex()
val matches = regex.matchAll(input).toList()
assertTrue(matches.all { it.groups.size() == 3 })
val matches = regex.findAll(input).toList()
assertTrue(matches.all { it.groups.size == 3 })
val m1 = matches[0]
assertEquals("1a", m1.groups[0]?.value)
assertEquals(0..1, m1.groups[0]?.range)
+33 -13
View File
@@ -16,7 +16,7 @@ class RegexTest {
assertTrue(p.hasMatch(input))
val first = p.match(input)
val first = p.find(input)
assertTrue(first != null); first!!
assertEquals("123", first.value)
@@ -26,7 +26,7 @@ class RegexTest {
assertEquals("456", second1.value)
assertEquals(second1.value, second2.value)
assertEquals("56", p.match(input, startIndex = 5)?.value)
assertEquals("56", p.find(input, startIndex = 5)?.value)
val last = second1.next()!!
assertEquals("789", last.value)
@@ -44,12 +44,12 @@ class RegexTest {
val input = "123 456 789"
val pattern = "\\d+".toRegex()
val matches = pattern.matchAll(input)
val matches = pattern.findAll(input)
val values = matches.map { it.value }
val expected = listOf("123", "456", "789")
assertEquals(expected, values.toList())
assertEquals(expected, values.toList(), "running match sequence second time")
assertEquals(expected.drop(1), pattern.matchAll(input, startIndex = 3).map { it.value }.toList())
assertEquals(expected.drop(1), pattern.findAll(input, startIndex = 3).map { it.value }.toList())
assertEquals(listOf(0..2, 4..6, 8..10), matches.map { it.range }.toList())
}
@@ -57,18 +57,18 @@ class RegexTest {
@test fun matchAllSequence() {
val input = "test"
val pattern = ".*".toRegex()
val matches = pattern.matchAll(input).toList()
val matches = pattern.findAll(input).toList()
assertEquals(input, matches[0].value)
assertEquals(input, matches.joinToString("") { it.value })
assertEquals(2, matches.size())
assertEquals(2, matches.size)
}
@test fun matchGroups() {
val input = "1a 2b 3c"
val pattern = "(\\d)(\\w)".toRegex()
val matches = pattern.matchAll(input).toList()
assertTrue(matches.all { it.groups.size() == 3 })
val matches = pattern.findAll(input).toList()
assertTrue(matches.all { it.groups.size == 3 })
val m1 = matches[0]
assertEquals("1a", m1.groups[0]?.value)
assertEquals("1", m1.groups[1]?.value)
@@ -82,23 +82,43 @@ class RegexTest {
@test fun matchOptionalGroup() {
val pattern = "(hi)|(bye)".toRegex(RegexOption.IGNORE_CASE)
val m1 = pattern.match("Hi!")!!
assertEquals(3, m1.groups.size())
val m1 = pattern.find("Hi!")!!
assertEquals(3, m1.groups.size)
assertEquals("Hi", m1.groups[1]?.value)
assertEquals(null, m1.groups[2])
val m2 = pattern.match("bye...")!!
assertEquals(3, m2.groups.size())
val m2 = pattern.find("bye...")!!
assertEquals(3, m2.groups.size)
assertEquals(null, m2.groups[1])
assertEquals("bye", m2.groups[2]?.value)
}
@test fun matchMultiline() {
val regex = "^[a-z]*$".toRegex(setOf(RegexOption.IGNORE_CASE, RegexOption.MULTILINE))
val matchedValues = regex.matchAll("test\n\nLine").map { it.value }.toList()
val matchedValues = regex.findAll("test\n\nLine").map { it.value }.toList()
assertEquals(listOf("test", "", "Line"), matchedValues)
}
@test fun matchEntire() {
val regex = "(\\d)(\\w)".toRegex()
assertNull(regex.matchEntire("1a 2b"))
assertNotNull(regex.matchEntire("3c")) { m ->
assertEquals("3c", m.value)
assertEquals(3, m.groups.size)
assertEquals(listOf("3c", "3", "c"), m.groups.map { it!!.value })
}
}
@test fun matchEntireLazyQuantor() {
val regex = "a+b+?".toRegex()
val input = StringBuilder("aaaabbbb")
assertEquals("aaaab", regex.find(input)!!.value)
assertEquals("aaaabbbb", regex.matchEntire(input)!!.value)
}
@test fun escapeLiteral() {
val literal = """[-\/\\^$*+?.()|[\]{}]"""
assertTrue(Regex.fromLiteral(literal).matches(literal))
+1 -1
View File
@@ -664,7 +664,7 @@ ${" "}
""".trimIndent()
assertEquals(23, deindented.lines().size())
val indents = deindented.lines().map { "^\\s*".toRegex().match(it)!!.value.length }
val indents = deindented.lines().map { "^\\s*".toRegex().find(it)!!.value.length }
assertEquals(0, indents.min())
assertEquals(42, indents.max())
assertEquals(1, deindented.lines().count { it.isEmpty() })