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package xyz.driver.pdsuicommon.parsers
import xyz.driver.pdsuicommon.db.SearchFilterExpr.Dimension
import xyz.driver.pdsuicommon.db.{SearchFilterBinaryOperation, SearchFilterExpr, SearchFilterNAryOperation}
import xyz.driver.pdsuicommon.utils.Implicits.toStringOps
import xyz.driver.pdsuicommon.parsers.TestUtils._
import fastparse.core.Parsed
import org.scalacheck.Arbitrary.arbitrary
import org.scalacheck.{Gen, Prop}
import org.scalatest.FreeSpecLike
import org.scalatest.prop.Checkers
object SearchFilterParserSuite {
class UnexpectedSearchFilterExprException(x: SearchFilterExpr) extends Exception(s"unexpected $x")
}
class SearchFilterParserSuite extends FreeSpecLike with Checkers {
import SearchFilterParserSuite._
"parse" - {
"dimensions" - {
"with table name" in check {
val dimensionGen = {
for (left <- Gen.identifier; right <- Gen.identifier)
yield left -> right
}
Prop.forAllNoShrink(dimensionGen) {
case (left, right) =>
val raw = s"$left.$right"
SearchFilterParser.dimensionParser.parse(raw) match {
case Parsed.Success(Dimension(Some(`left`), `right`), _) => true
case res => false
}
}
}
"just with field name" in check {
Prop.forAllNoShrink(Gen.identifier) { s =>
SearchFilterParser.dimensionParser.parse(s) match {
case Parsed.Success(Dimension(None, `s`), _) => true
case _ => false
}
}
}
}
"atoms" - {
"binary" - {
"common operators" - {
"should be parsed with text values" in check {
import SearchFilterBinaryOperation._
val testQueryGen = queryGen(
dimensionGen = Gen.identifier,
opGen = commonBinaryOpsGen,
valueGen = nonEmptyString
)
Prop.forAllNoShrink(testQueryGen) { query =>
SearchFilterParser.parse(Seq("filters" -> query))
.map {
case SearchFilterExpr.Atom.Binary(_, Eq | NotEq | Like, _) => true
case x => throw new UnexpectedSearchFilterExprException(x)
}
.successProp
}
}
}
"numeric operators" - {
"should not be parsed with text values" in check {
val testQueryGen = queryGen(
dimensionGen = Gen.identifier,
opGen = numericBinaryOpsGen,
valueGen = nonEmptyString.filter { s => !s.matches("^\\d+$") }
)
Prop.forAllNoShrink(testQueryGen) { query =>
SearchFilterParser.parse(Seq("filters" -> query)).failureProp
}
}
}
"all operators" - {
"should be parsed with numeric values" in check {
val testQueryGen = queryGen(
dimensionGen = Gen.identifier,
opGen = allBinaryOpsGen,
valueGen = numericBinaryAtomValuesGen
)
Prop.forAllNoShrink(testQueryGen) { query =>
SearchFilterParser.parse(Seq("filters" -> query))
.map {
case _: SearchFilterExpr.Atom.Binary => true
case x => throw new UnexpectedSearchFilterExprException(x)
}
.successProp
}
}
}
}
"n-ary" - {
"in" in check {
val testQueryGen = queryGen(
dimensionGen = Gen.identifier,
opGen = Gen.const("in"),
valueGen = inValuesGen
)
Prop.forAllNoShrink(testQueryGen) { query =>
SearchFilterParser.parse(Seq("filters" -> query))
.map {
case SearchFilterExpr.Atom.NAry(_, SearchFilterNAryOperation.In, _) => true
case x => throw new UnexpectedSearchFilterExprException(x)
}
.successProp
}
}
}
}
"intersections" - {
"should be parsed" in check {
val commonAtomsGen = queryGen(
dimensionGen = Gen.identifier,
opGen = commonBinaryOpsGen,
valueGen = nonEmptyString
)
val numericAtomsGen = queryGen(
dimensionGen = Gen.identifier,
opGen = numericBinaryOpsGen,
valueGen = numericBinaryAtomValuesGen
)
val allAtomsGen = Gen.oneOf(commonAtomsGen, numericAtomsGen)
val intersectionsGen = Gen.choose(1, 3).flatMap { size =>
Gen.containerOfN[Seq, String](size, allAtomsGen)
}
Prop.forAllNoShrink(intersectionsGen) { queries =>
SearchFilterParser.parse(queries.map(query => "filters" -> query)).successProp
}
}
}
}
private val CommonBinaryOps = Seq("eq", "noteq", "like")
private val NumericBinaryOps = Seq("gt", "gteq", "lt", "lteq")
private val allBinaryOpsGen: Gen[String] = Gen.oneOf(CommonBinaryOps ++ NumericBinaryOps).flatMap(randomCapitalization)
private val commonBinaryOpsGen: Gen[String] = Gen.oneOf(CommonBinaryOps).flatMap(randomCapitalization)
private val numericBinaryOpsGen: Gen[String] = Gen.oneOf(NumericBinaryOps).flatMap(randomCapitalization)
private val inValueCharsGen: Gen[Char] = arbitrary[Char].filter(_ != ',')
private val nonEmptyString = arbitrary[String].filter { s => !s.safeTrim.isEmpty }
private val numericBinaryAtomValuesGen: Gen[String] = arbitrary[BigInt].map(_.toString)
private val inValueGen: Gen[String] = {
Gen.nonEmptyContainerOf[Seq, Char](inValueCharsGen).map(_.mkString).filter(_.safeTrim.nonEmpty)
}
private val inValuesGen: Gen[String] = Gen.choose(1, 5).flatMap { size =>
Gen.containerOfN[Seq, String](size, inValueGen).map(_.mkString(","))
}
private def queryGen(dimensionGen: Gen[String], opGen: Gen[String], valueGen: Gen[String]): Gen[String] = for {
dimension <- dimensionGen
op <- opGen
value <- valueGen
} yield s"$dimension $op $value"
private def randomCapitalization(input: String): Gen[String] = {
Gen.containerOfN[Seq, Boolean](input.length, arbitrary[Boolean]).map { capitalize =>
input.view.zip(capitalize).map {
case (currChar, true) => currChar.toUpper
case (currChar, false) => currChar
}.mkString
}
}
}
|
