package spray.boilerplate

import org.specs2.mutable.Specification

class TemplateParserSpecs extends Specification {
  import TemplateParser.parse

  "TemplateParser.parse" should {
    "without expansion" in {
      parse("abc") === LiteralString("abc")
    }
    "just expansion" in {
      parse("[# def #]") === Expand(LiteralString(" def "))
    }
    "multiple expansions" in {
      parse("[#a#]abc[#b#]") ===
        Expand(LiteralString("a")) ~ LiteralString("abc") ~ Expand(LiteralString("b"))
    }
    "one surrounded expansion" in {
      parse("abc[#a#]def") === LiteralString("abc") ~ Expand(LiteralString("a")) ~ LiteralString("def")
    }
    "an expanded number" in {
      parse("[#T1#]") === Expand(LiteralString("T") ~ Offset(1))
    }
    "a quoted number" in {
      parse("[#T##1#]") === Expand(LiteralString("T1"))
    }
    "custom range" in {
      parse("[0..14#T1#]") === Expand(LiteralString("T") ~ Offset(1), range = Range(start = Some(0), end = Some(14)))
    }
    "not a range" in {
      parse("[ abc #T ]") === LiteralString("[ abc #T ]")
    }
    "sharp" in {
      parse("""\#""") === LiteralString("#")
    }
    "prefix, custom range, and separator" in {
      parse("abc[0..14#T1#\n]") ===
        LiteralString("abc") ~ Expand(LiteralString("T") ~ Offset(1), separator = "\n", range = Range(start = Some(0), end = Some(14)))
    }
    "Sharp is parsed as literal" in {
      parse("""def apply[ T : |¬|[Product]\#λ](s : T *):CollSeq1[T] = apply(s.map(Tuple1(_)): _*)""") ===
        LiteralString("""def apply[ T : |¬|[Product]#λ](s : T *):CollSeq1[T] = apply(s.map(Tuple1(_)): _*)""")
    }
  }
}