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ActionSpec.scala
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ActionSpec.scala
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/*
* Copyright (C) 2009-2013 Mathias Doenitz, Alexander Myltsev
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.parboiled2
import shapeless._
import utest._
object ActionSpec extends TestParserSpec {
val tests = Tests{
"The Parser should correctly handle" - {
"`capture`" - new TestParser1[String] {
def targetRule = rule { 'a' ~ capture(zeroOrMore('b')) ~ EOI }
"a" must beMatchedWith("")
"b" must beMismatched
"ab" must beMatchedWith("b")
"abb" must beMatchedWith("bb")
}
"`test`" - new TestParser0 {
var flag = true
def targetRule = rule { test(flag) }
"x" must beMatched
flag = false
"x" must beMismatched
}
"`run(nonRuleExpr)`" - new TestParser0 {
var flag = false
def targetRule = rule { 'a' ~ run { flag = true } ~ EOI }
"a" must beMatched
assert(flag)
}
"`run(ruleBlockWithRuleCall)`" - new TestParser0 {
var flag = false
def targetRule = rule { 'a' ~ run { flag = true; b } ~ EOI }
def b = rule { 'b' }
"a" must beMismatched
assert(flag)
"ab" must beMatched
}
"`run(ruleBlockWithNestedRuleDef)`" - new TestParser0 {
var flag = false
def targetRule = rule { 'a' ~ run { flag = true; ch('b') } ~ EOI }
"a" must beMismatched
assert(flag)
"ab" must beMatched
}
"`run(ruleBlockWithRuleIf)`" - new TestParser0 {
var flag = false
def targetRule = rule { 'a' ~ run { flag = true; if (flag) oneOrMore(b) else MISMATCH } ~ EOI }
def b = rule { 'b' }
"a" must beMismatched
assert(flag)
"abbb" must beMatched
}
"`run(ruleBlockWithRuleMatch)`" - new TestParser0 {
var flag = false
def targetRule = rule { 'a' ~ run { flag = true; flag match { case true => oneOrMore(b); case _ ⇒ MISMATCH } } ~ EOI }
def b = rule { 'b' }
"a" must beMismatched
assert(flag)
"abbb" must beMatched
}
"`run(F1producingUnit)`" - new TestParser1[Int] {
def targetRule = rule { push(1 :: "X" :: HNil) ~ run((x: String) => require(x == "X")) ~ EOI }
"" must beMatchedWith(1)
}
"`run(F2producingValue)`" - new TestParser1[Char] {
def targetRule = rule { push(1 :: "X" :: HNil) ~ run((i: Int, x: String) => (x.head - i).toChar) ~ EOI }
"" must beMatchedWith('W')
}
"`run(F2producingHList)`" - new TestParserN[String :: Int :: HNil] {
def targetRule = rule { push(1 :: "X" :: HNil) ~ run((i: Int, x: String) => x :: i :: HNil) ~ EOI }
"" must beMatchedWith("X" :: 1 :: HNil)
}
"`run(F1producingRule)`" - new TestParser0 {
def targetRule = rule { ANY ~ push(lastChar - '0') ~ run((i: Int) => test(i % 2 == 0)) ~ EOI }
"4" must beMatched
"5" must beMismatched
}
// "`run(F1TakingHList)`" in new TestParser1[Int] {
// def targetRule = rule { push(42 :: "X" :: HNil) ~ run((l: Int :: String :: HNil) => l.head * 2) }
// "" must beMatchedWith(84)
// }
"`push` simple value" - new TestParser1[String] {
def targetRule = rule { 'x' ~ push(()) ~ push(HNil) ~ 'y' ~ push("yeah") ~ EOI }
"xy" must beMatchedWith("yeah")
}
"`push` HList" - new TestParserN[Int :: Double :: Long :: String :: HNil] {
def targetRule = rule { 'x' ~ push(42 :: 3.14 :: HNil) ~ push(0L :: "yeah" :: HNil) ~ EOI }
"x" must beMatchedWith(42 :: 3.14 :: 0L :: "yeah" :: HNil)
"y" must beMismatched
}
"`drop[Int]`" - new TestParser0 {
def targetRule = rule { push(42) ~ drop[Int] ~ EOI }
"" must beMatched
}
"`drop[Int :: String :: HNil]`" - new TestParser0 {
def targetRule = rule { push(42 :: "X" :: HNil) ~ drop[Int :: String :: HNil] ~ EOI }
"" must beMatched
}
"`~>` producing `Unit`" - new TestParser1[Int] {
def testRule = rule { push(1 :: "X" :: HNil) ~> (_ => ()) }
def targetRule = testRule
"" must beMatchedWith(1)
}
case class Foo(i: Int, s: String)
"`~>` producing case class (simple notation)" - new TestParser1[Foo] {
def targetRule = rule { push(1 :: "X" :: HNil) ~> Foo }
"" must beMatchedWith(Foo(1, "X"))
}
"`~>` full take" - new TestParser1[Foo] {
def testRule = rule { push(1 :: "X" :: HNil) ~> (Foo(_, _)) }
def targetRule = testRule
"" must beMatchedWith(Foo(1, "X"))
}
"`~>` partial take" - new TestParser1[Foo] {
def testRule = rule { push(1) ~> (Foo(_, "X")) }
def targetRule = testRule
"" must beMatchedWith(Foo(1, "X"))
}
"`~>` producing HList" - new TestParserN[String :: Int :: Double :: HNil] {
def testRule = rule { capture("x") ~> (_ :: 1 :: 3.0 :: HNil) }
def targetRule = testRule
"x" must beMatchedWith("x" :: 1 :: 3.0 :: HNil)
}
"`~>` with a statement block" - new TestParser1[Char] {
var captured = ' '
def testRule = rule { capture("x") ~> { x => captured = x.head; cursorChar } }
def targetRule = testRule
"xy" must beMatchedWith('y')
captured ==> 'x'
}
"`~>` producing a Rule0" - new TestParser0 {
def testRule = rule { capture("x") ~> (str(_)) ~ EOI }
def targetRule = testRule
"x" must beMismatched
"xx" must beMatched
}
"`~>` producing a Rule1" - new TestParser1[String] {
def testRule = rule { capture("x") ~> (capture(_)) ~ EOI }
def targetRule = testRule
"x" must beMismatched
"xx" must beMatchedWith("x")
}
"`~>` producing an expression evaluating to a rule" - new TestParser0 {
def testRule = rule { capture(anyOf("ab")) ~> (s => if (s == "a") ch('b') else ch('a')) ~ EOI }
def targetRule = testRule
"ab" must beMatched
"ba" must beMatched
"a" must beMismatched
"b" must beMismatched
}
}
}
}