Scala Assertions类代码示例

//设置package包名称以及导入依赖的类
package wow.common.codecs

import org.scalatest.{Assertion, Assertions, Matchers}
import scodec.Attempt.{Failure, Successful}
import scodec.bits.BitVector
import scodec.{Codec, DecodeResult}


object CodecTestUtils extends Assertions with Matchers {
  def decode[A](bits: BitVector, expectedValue: A)(implicit codec: Codec[A]): Assertion = {
    codec.decode(bits) match {
      case Successful(DecodeResult(x, remainder)) if remainder.nonEmpty =>
        fail(s"non empty remainder: $x / $remainder")
      case Successful(DecodeResult(parsedValue, BitVector.empty)) =>
        parsedValue shouldEqual expectedValue
      case Failure(err) => fail(err.toString())
    }
  }

  def encode[A](expectedBits: BitVector, value: A)(implicit codec: Codec[A]): Assertion = {
    codec.encode(value) match {
      case Successful(bits) =>
        bits.toHex shouldEqual expectedBits.toHex
        bits shouldEqual expectedBits
      case Failure(err) => fail(err.toString())
    }
  }

} 

//设置package包名称以及导入依赖的类
package sds.classfile.constant_pool

import org.junit.Test
import org.scalatest.Assertions
import sds.classfile.constant_pool.Utf8ValueExtractor.extract

class Utf8ExtractorTest extends Assertions {
    val info: Array[ConstantInfo] = Array(
        new Utf8Info("utf8"), new NumberInfo(ConstantInfo.INTEGER, 0), new NumberInfo(ConstantInfo.FLOAT, 0.0f),
        new NumberInfo(ConstantInfo.LONG, 0L), new NumberInfo(ConstantInfo.DOUBLE, 0.0), new StringInfo(1),
        new HandleInfo(1, 1), new InvokeDynamicInfo(1, 1), new ConstantInfoAdapter(),
        new Utf8Info("java/lang/Object"), new ClassInfo(10), new MemberInfo(ConstantInfo.FIELD, 11, 1),
        new Utf8Info("([[Ljava/util/List;Ljava/lang/System;)V"), new NameAndTypeInfo(1, 13), new TypeInfo(13)
    )

    @Test
    def extractTest(): Unit = {
        assert(extract(info(0), info) === "utf8")
        assert(extract(info(1), info) === "0")
        assert(extract(info(2), info) === "0.0")
        assert(extract(info(3), info) === "0")
        assert(extract(info(4), info) === "0.0")
        assert(extract(info(5), info) === "utf8")
        assert(extract(info(6), info) === "utf8")
        assert(extract(info(7), info) === "utf8")
        intercept[IllegalArgumentException] {
            extract(info(8), info) === ""
        }
        assert(extract(info(10), info) === "Object")
        assert(extract(info(11), info) === "Object.utf8")
        assert(extract(info(13), info) === "utf8|(java.util.List[][],System)void")
        assert(extract(info(14), info) === "(java.util.List[][],System)void")
    }
} 

//设置package包名称以及导入依赖的类
package sds.classfile.attribute

import org.junit.Test
import org.scalatest.Assertions
import sds.classfile.constant_pool._

class AttributeInfoTest extends Assertions {
    val info: Array[ConstantInfo] = Array(
        new Utf8Info("utf8"), new NumberInfo(ConstantInfo.INTEGER, 0), new NumberInfo(ConstantInfo.FLOAT, 0.0f),
        new NumberInfo(ConstantInfo.LONG, 0L), new NumberInfo(ConstantInfo.DOUBLE, 0.0), new StringInfo(1),
        new HandleInfo(1, 1), new InvokeDynamicInfo(1, 1), new ConstantInfoAdapter(),
        new Utf8Info("java/lang/Object"), new ClassInfo(10), new MemberInfo(ConstantInfo.FIELD, 11, 1),
        new Utf8Info("([[Ljava/util/List;Ljava/lang/System;)V"), new NameAndTypeInfo(1, 13), new TypeInfo(13)
    )

    @Test
    def constantValueTest(): Unit = {
        val const: ConstantValue = new ConstantValue("Hoge")
        assert(const.toString() === "ConstantValue: Hoge")
    }

    @Test
    def enclosingMethodTest(): Unit = {
        val enc: EnclosingMethod = new EnclosingMethod(11, 13, info)
        val enc2: EnclosingMethod = new EnclosingMethod(11, 0, info)
        assert(enc.toString() === "EnclosingMethod: Object ([[Ljava/util/List;Ljava/lang/System;)V")
        assert(enc2.toString() === "EnclosingMethod: Object ")
    }

    @Test
    def signatureTest(): Unit = {
        val sig: Signature = new Signature("hoge")
        assert(sig.toString() === "Signature: hoge")
    }

    @Test
    def sourceFileTest(): Unit = {
        val source: SourceFile = new SourceFile("Hoge.java")
        assert(source.toString() === "SourceFile: Hoge.java")
    }

    @Test
    def deprecatedTest(): Unit = {
        val dep: Deprecated = new Deprecated();
        assert(dep.toString() === "Deprecated")
    }

    @Test
    def syntheticTest(): Unit = {
        val syn: Synthetic = new Synthetic();
        assert(syn.toString() === "Synthetic")
    }
} 

//设置package包名称以及导入依赖的类
package sds.util

import org.junit.Test
import org.scalatest.Assertions
import sds.util.{DescriptorParser => DP}

class DescriptorParserTest extends Assertions {
    @Test
    def parseTest() {
        assert(DP.parse("B") === "byte")
        assert(DP.parse("C") === "char")
        assert(DP.parse("D") === "double")
        assert(DP.parse("F") === "float")
        assert(DP.parse("I") === "int")
        assert(DP.parse("J") === "long")
        assert(DP.parse("S") === "short")
        assert(DP.parse("Z") === "boolean")
        assert(DP.parse("V") === "void")
        assert(DP.parse("[I") === "int[]")
        assert(DP.parse("Ljava/lang/String;") === "String")
        assert(DP.parse("[[[Ljava/lang/Object;") === "Object[][][]")
        assert(DP.parse("Lorg/scalatest/Assertions;") === "org.scalatest.Assertions")
        assert(DP.parse("[[[Lorg/scalatest/Assertions;") === "org.scalatest.Assertions[][][]")
        assert(DP.parse("(IIIR)B") === "(int,int,int)byte")
        assert(DP.parse("(IILjava/io/File;IR)Ljava/net/URL") === "(int,int,java.io.File,int)java.net.URL")
        assert(DP.parse("Ljava/util/List<TK;>;") === "java.util.List<K>")
        assert(DP.parse("Ljava/lang/Class<*>") === "Class< ? >")

        val case1: String = DP.parse("<K:Ljava/lang/Object;>Ljava/lang/Object;Ljava/lang/Runnable;", true)
        val case2: String = DP.parse("""<U:Ljava/lang/Object;T::Ljava/lang/Runnable;A:Ljava/lang/String;
                                     R::Ljava/lang/Runnable;:Ljava/lang/Appendable;S:Ljava/lang/Thread;>()V""", true)
        val case3: String = DP.parse("<+Ljava/lang/Object;>Ljava/util/List;")
        assert(case1 === "<K extends Object>Object,Runnable")
        assert(case2 === "<U extends Object,T extends Runnable," + 
                         "A extends String,R extends Runnable & Appendable,S extends Thread>()void")
        assert(case3 === "<? extends Object>java.util.List")
    }

    @Test
    def removeLangPrefixTest() {
        assert(DP.removeLangPrefix("java.lang.String") === "String")
        assert(DP.removeLangPrefix("java.lang.Math.sqrt") === "Math.sqrt")

        val case1: String = "java.lang.annotation.Annotation"
        val case2: String = "java.lang.instrument.Instrumentation"
        val case3: String = "java.lang.invoke.MethodHandle"
        val case4: String = "java.lang.management.MemoryUsage"
        val case5: String = "java.lang.ref.Reference"
        val case6: String = "java.lang.reflect.Method"
        assert(DP.removeLangPrefix(case1) === case1)
        assert(DP.removeLangPrefix(case2) === case2)
        assert(DP.removeLangPrefix(case3) === case3)
        assert(DP.removeLangPrefix(case4) === case4)
        assert(DP.removeLangPrefix(case5) === case5)
        assert(DP.removeLangPrefix(case6) === case6)
    }
} 

//设置package包名称以及导入依赖的类
package sds.util

import org.junit.Test
import org.scalatest.Assertions
import sds.util.{MultiArgsStringBuilder => Builder}

class MultiArgsStringBuilderTest extends Assertions {
    @Test
    def toStringTest() {
        val b: Builder = new Builder()
        assert(b.toString.equals(""))
        b.append("test")
        assert(b.toString.equals("test"))
        b.append(1)
        assert(b.toString.equals("test1"))
        b.append(1.0)
        assert(b.toString.equals("test11.0"))
        b.append(", ", 1.2, 0.10)
        assert(b.toString.equals("test11.0, 1.20.1"))
    }

    @Test
    def toStringTest2() {
        val b: Builder = new Builder("init")
        assert(b.toString.equals("init"))
    }
} 

//设置package包名称以及导入依赖的类
package sds

import org.junit.Test
import org.scalatest.Assertions

class SDSTest extends Assertions {
    @Test
    def jarFileIOExceptionTest(): Unit = {
        new SDS(Array("xxx.jar"))
    }

//    @Test
//    def classfileRunTest(): Unit = {
//        new SDS(Array("Hello.class")).run()
//    }
} 

//设置package包名称以及导入依赖的类
package org.wartremover
package contrib.test

import org.scalatest.Assertions

import org.wartremover.test.WartTestTraverser

trait ResultAssertions extends Assertions {

  def assertEmpty(result: WartTestTraverser.Result) = {
    assertResult(List.empty, "result.errors")(result.errors)
    assertResult(List.empty, "result.warnings")(result.warnings)
  }

  def assertError(result: WartTestTraverser.Result)(message: String) = assertErrors(result)(message, 1)

  def assertErrors(result: WartTestTraverser.Result)(message: String, times: Int) = {
    assertResult(List.fill(times)(message), "result.errors")(result.errors.map(skipTraverserPrefix))
    assertResult(List.empty, "result.warnings")(result.warnings.map(skipTraverserPrefix))
  }

  def assertWarnings(result: WartTestTraverser.Result)(message: String, times: Int) = {
    assertResult(List.empty, "result.errors")(result.errors.map(skipTraverserPrefix))
    assertResult(List.fill(times)(message), "result.warnings")(result.warnings.map(skipTraverserPrefix))
  }

  private val messageFormat = """^\[wartremover:\S+\] (.+)$""".r

  private def skipTraverserPrefix(msg: String) = msg match {
    case messageFormat(rest) => rest
    case s => s
  }
} 

//设置package包名称以及导入依赖的类
package org.hammerlab.test.matchers

import org.scalatest.Assertions

trait LazyAssert {
  self: Assertions =>

  def lazyAssert(predicate: Boolean, msg: => String): Unit = {
    assert(predicate, LazyMessage(msg))
  }
}

class LazyMessage(msg: => String) {
  override def toString: String = msg
}

object LazyMessage {
  def apply(msg: => String): LazyMessage = new LazyMessage(msg)
} 

//设置package包名称以及导入依赖的类
package com.nakamura.camara.proposicoes

import com.nakamura.camara.proposicoes.proposicao.ListarProposicoesRequest
import org.apache.spark.sql.{SaveMode, SparkSession}
import org.junit.Test
import org.scalatest.Assertions

class ProposicoesServiceTest extends Assertions {
  private val spark = SparkSession
    .builder()
    .appName("ProposicoesServiceTest")
    .master("local[*]")
    .getOrCreate()
  private val service = new ProposicoesService(spark)

  @Test
  def testListarProposicoes(): Unit = {
    val request = ListarProposicoesRequest(ano = 2017, sigla = "PEC")
    val proposicoesTry = service.listarProposicoes(request)
    assert(proposicoesTry.isSuccess)
    assert(proposicoesTry.get.nonEmpty)
  }

  @Test
  def testListarProposicoesFailure(): Unit = {
    val invalidRequest = ListarProposicoesRequest()
    val proposicoesTry = service.listarProposicoes(invalidRequest)
    assert(proposicoesTry.isFailure)
  }

  @Test
  def testListarSiglasProposicoes(): Unit = {
    val siglasTry = service.listSiglasTipoProposioes()
    assert(siglasTry.isSuccess)
    assert(siglasTry.get.nonEmpty)
  }

  @Test
  def runFetchAndStoreHistoricalData(): Unit = {
    service.fetchAndStoreHistoricalData(2010 to 2017 by 1, SaveMode.Ignore)
  }
} 

//设置package包名称以及导入依赖的类
package com.nakamura.camara.deputados

import org.apache.spark.sql.{SaveMode, SparkSession}
import org.junit.Test
import org.scalatest.Assertions

class DeputadosServiceTest extends Assertions {
  private val spark = SparkSession
    .builder()
    .appName("DeputadosServiceTest")
    .master("local[*]")
    .getOrCreate()
  private val service = new DeputadosService(spark)

  @Test
  def testListarSiglasProposicoes(): Unit = {
    val deputadosTry = service.getDeputados()
    assert(deputadosTry.isSuccess)
    assert(deputadosTry.get.nonEmpty)
  }
  @Test
  def testFetchAndStoreDeputadosData(): Unit = {
    val deputadosTry = service.fetchAndStoreDeputadosData(SaveMode.Ignore)
  }
} 

//设置package包名称以及导入依赖的类
package scorex.consensus.nxt

import com.wavesplatform.state2.ByteStr
import org.scalatest.{Assertions, Matchers, PropSpec}
import scorex.account.{Address, PrivateKeyAccount}
import scorex.consensus.TransactionsOrdering
import scorex.transaction.PaymentTransaction
import scorex.transaction.assets.TransferTransaction

import scala.util.Random

class TransactionsOrderingSpecification extends PropSpec with Assertions with Matchers {

  property("TransactionsOrdering.InBlock should sort correctly") {
    val txsDifferentById = (0 to 3).map(i =>
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 5, None, 125L, Array(i.toByte)).right.get).sortBy(t => t.id.base58)

    val correctSeq = txsDifferentById ++ Seq(
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, None, 125L, Array.empty).right.get,
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 2, None, 124L, Array.empty).right.get,
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, None, 124L, Array.empty).right.get,
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 2, Some(ByteStr.empty), 124L, Array.empty).right.get,
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, Some(ByteStr.empty), 124L, Array.empty).right.get)

    val sorted = Random.shuffle(correctSeq).sorted(TransactionsOrdering.InBlock)

    sorted shouldBe correctSeq
  }

  property("TransactionsOrdering.InUTXPool should sort correctly") {
    val txsDifferentById = (0 to 3).map(i =>
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)),Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 5, None, 125L, Array(i.toByte)).right.get).sortBy(t => t.id.base58)

    val correctSeq = txsDifferentById ++ Seq(
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, None, 124L, Array.empty).right.get,
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, None, 123L, Array.empty).right.get,
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 2, None, 123L, Array.empty).right.get,
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, Some(ByteStr.empty), 124L, Array.empty).right.get,
      TransferTransaction.create(None, PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 2, Some(ByteStr.empty), 124L, Array.empty).right.get)

    val sorted = Random.shuffle(correctSeq).sorted(TransactionsOrdering.InUTXPool)

    sorted shouldBe correctSeq
  }

  property("TransactionsOrdering.InBlock should sort txs by decreasing block timestamp") {
    val correctSeq = Seq(
      PaymentTransaction.create(PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, 124L).right.get,
      PaymentTransaction.create(PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, 123L).right.get)

    Random.shuffle(correctSeq).sorted(TransactionsOrdering.InBlock) shouldBe correctSeq
  }

  property("TransactionsOrdering.InUTXPool should sort txs by ascending block timestamp") {
    val correctSeq = Seq(
      PaymentTransaction.create(PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, 123L).right.get,
      PaymentTransaction.create(PrivateKeyAccount(Array.fill(32)(0)), Address.fromString("3MydsP4UeQdGwBq7yDbMvf9MzfB2pxFoUKU").right.get, 100000, 1, 124L).right.get)
    Random.shuffle(correctSeq).sorted(TransactionsOrdering.InUTXPool) shouldBe correctSeq
  }
} 

//设置package包名称以及导入依赖的类
package preact

import org.scalatest.{Assertion, Assertions}

import scala.meta.Tree
import scala.meta.testkit.StructurallyEqual

package object macros {

  def assertStructurallyEqual(actual: Tree, expected: Tree): Assertion = {
    StructurallyEqual(actual, expected) match {
      case Left(diff) =>
        Assertions.fail(
          s"""Not Structurally equal:
             |$diff
             |Details:
             |${diff.detailed}""".stripMargin)
      case _ => Assertions.succeed
    }
  }
} 

//设置package包名称以及导入依赖的类
package uk.gov.hmrc.softdrinksindustrylevyfrontend.util

import java.awt.Robot

import org.openqa.selenium.support.ui.{ExpectedCondition, ExpectedConditions, WebDriverWait}
import org.openqa.selenium.{By, WebDriver, WebElement}
import org.scalatest.concurrent.{Eventually, IntegrationPatience}
import org.scalatest.selenium.WebBrowser
import org.scalatest.{Assertions, Matchers}
import uk.gov.hmrc.softdrinksindustrylevyfrontend.generic.WebPage


trait NavigationSugar extends WebBrowser with Eventually with Assertions with Matchers with IntegrationPatience {

  val robot = new Robot()

  def goOn(page: WebPage)(implicit webDriver: WebDriver) = {
    goTo(page)
    on(page)
  }

  def on(page: WebPage)(implicit webDriver: WebDriver) = {
    val wait = new WebDriverWait(webDriver, 5)
    wait.until(ExpectedConditions.presenceOfElementLocated(By.tagName("body")))
    assert(page.isCurrentPage, s"Page was not loaded: ${page.currentUrl}")
  }

  def notOn(page: WebPage)(implicit webDriver: WebDriver) = {
    eventually {
      webDriver.findElement(By.tagName("body"))
    }
    assertResult(false, s"\nDid not expect ${page.currentUrl} to be loaded") {
      page.isCurrentPage
    }
  }

  def loadPage()(implicit webDriver: WebDriver) = {
    val wait = new WebDriverWait(webDriver, 15)
    wait.until(
      new ExpectedCondition[WebElement] {
        override def apply(d: WebDriver) = d.findElement(By.tagName("body"))
      }
    )
  }

  def anotherTabIsOpened()(implicit webDriver: WebDriver) = {
    webDriver.getWindowHandles.size() should be(2)
  }

  def browserGoBack()(implicit webDriver: WebDriver) = {
    webDriver.navigate().back()
  }

  def switchToTabWith(marker: => Boolean)(implicit webDriver: WebDriver): Any = {
    windowHandles.foreach { newTab: String =>
      switch to window(newTab)
      if (marker) return
    }
    fail(s"Marker evaluation resolves false for current page")
  }
} 

//设置package包名称以及导入依赖的类
package com.xebia.mowitnow.model.factory

import com.xebia.mowitnow.model.Entity.{Orientation, Mower, Position}
import com.xebia.mowitnow.model.Factory.MowerFactoryImpl
import org.junit.Assert._
import org.junit.{Test, Before}
import org.scalatest.Assertions


class MowerFactoryImplTest  extends Assertions {

var mowerFactory: MowerFactoryImpl = null

@Before def initialize() {
  mowerFactory = new MowerFactoryImpl
}

@Test def testCreateMower() {
// Create mower with position 1,5 & orientation N
  assertEquals(Some(Mower(Position(1,5, Orientation.N))), mowerFactory.createMower("1 5 N"))
 //Try to create mower with unsupported orientation
  assertEquals(None, mowerFactory.createMower("1 5 A"))
}
} 

//设置package包名称以及导入依赖的类
package com.xebia.mowitnow.model.factory

import com.xebia.mowitnow.model.Entity.{Dimension, Ground}
import com.xebia.mowitnow.model.Factory.GroundFactoryImpl
import org.junit.Assert._
import org.junit.{Test, Before}
import org.scalatest.Assertions


class GroundFactoryImplTest extends Assertions {

  var groundFactory: GroundFactoryImpl = null

  @Before def initialize() {
    groundFactory = new GroundFactoryImpl
  }

  @Test def testCreateGround() {

    assertEquals(Some(Ground(Dimension(5, 5))), groundFactory.createGround("5 5"))
    assertEquals(Some(Ground(Dimension(5, 5))), groundFactory.createGround("  5   5  "))
    // Handling of unsupported format of ground
    assertEquals(None, groundFactory.createGround("A 5"))
    assertEquals(None, groundFactory.createGround(""))
    assertEquals(None, groundFactory.createGround("5.5 5"))
    assertEquals(None, groundFactory.createGround("-1 5"))
  }
}