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How to use haveCauseOfType method of io.kotest.matchers.throwable.matchers class

Best Kotest code snippet using io.kotest.matchers.throwable.matchers.haveCauseOfType

MeasurementConverterTests.kt

Source:MeasurementConverterTests.kt

...7import io.kotest.core.spec.style.StringSpec8import io.kotest.matchers.doubles.plusOrMinus9import io.kotest.matchers.should10import io.kotest.matchers.shouldBe11import io.kotest.matchers.throwable.haveCauseOfType12class MeasurementConverterTests : StringSpec() {13    private fun convert(from: ComplexFraction<String>, to: ComplexFraction<String>): Double {14        return sampleMeasurementConverter.convertFractions(from, to).value15    }16    init {17        "ÐÑÐ¸Ð¼ÐµÑ Ð¸Ð· ÑÑÐ»Ð¾Ð²Ð¸Ñ ÑÐ°Ð±Ð¾ÑÐ°ÐµÑ" {18            val from = ComplexFraction(listOf("Ð¼"), listOf("Ñ"))19            val to = ComplexFraction(listOf("ÐºÐ¼"), listOf("ÑÐ°Ñ"))20            convert(from, to) shouldBe 3.621        }22        "ÐÐ±ÑÐ°ÑÐ½ÑÐ¹ Ð¿ÑÐ¸Ð¼ÐµÑ Ð¸Ð· ÑÑÐ»Ð¾Ð²Ð¸Ñ ÑÐ°Ð±Ð¾ÑÐ°ÐµÑ" {23            val from = ComplexFraction(listOf("ÐºÐ¼"), listOf("ÑÐ°Ñ"))24            val to = ComplexFraction(listOf("Ð¼"), listOf("Ñ"))25            convert(from, to) shouldBe 1 / 3.626        }27        "ÐÐ¸Ð»Ð¾Ð¼ÐµÑÑÑ Ð² Ð¼ÐµÑÑÑ Ð²Ð¾Ð·Ð²ÑÐ°ÑÐ°ÐµÑ 1000" {28            val from = ComplexFraction(listOf("ÐºÐ¼"), emptyList())29            val to = ComplexFraction(listOf("Ð¼"), emptyList())30            convert(from, to) shouldBe 100031        }32        "ÐÐµÑÑÑ Ð² ÐºÐ¸Ð»Ð¾Ð¼ÐµÑÑÑ Ð²Ð¾Ð·Ð²ÑÐ°ÑÐ°ÐµÑ 1/1000" {33            val from = ComplexFraction(listOf("Ð¼"), emptyList())34            val to = ComplexFraction(listOf("ÐºÐ¼"), emptyList())35            convert(from, to) shouldBe 1.0 / 100036        }37        "Ð¡ÐµÐºÑÐ½Ð´Ð° Ð½Ð° Ð¼ÐµÑÑ Ð² ÑÐµÐºÑÐ½Ð´Ñ Ð½Ð° Ð¼ÐµÑÑ Ð²Ð¾Ð·Ð²ÑÐ°ÑÐ°ÐµÑ 1" {38            val from = ComplexFraction(listOf("Ñ"), listOf("Ð¼"))39            val to = ComplexFraction(listOf("Ñ"), listOf("Ð¼"))40            convert(from, to) shouldBe 141        }42        "ÐÐ¸Ð½ÑÑÐ° Ð² ÐºÐ²Ð°Ð´ÑÐ°ÑÐµ Ð² ÑÐµÐºÑÐ½Ð´Ñ Ð² ÐºÐ²Ð°Ð´ÑÐ°ÑÐµ Ð²Ð¾Ð·Ð²ÑÐ°ÑÐ°ÐµÑ 60*60" {43            val from = ComplexFraction(listOf("Ð¼Ð¸Ð½", "Ð¼Ð¸Ð½"), emptyList())44            val to = ComplexFraction(listOf("Ñ", "Ñ"), emptyList())45            convert(from, to) shouldBe 60 * 6046        }47        "Ð¡ÐµÐºÑÐ½Ð´Ð° Ð² ÐºÐ²Ð°Ð´ÑÐ°ÑÐµ Ð² Ð¼Ð¸Ð½ÑÑÑ Ð² ÐºÐ²Ð°Ð´ÑÐ°ÑÐµ Ð²Ð¾Ð·Ð²ÑÐ°ÑÐ°ÐµÑ 1/60/60" {48            val from = ComplexFraction(listOf("Ñ", "Ñ"), emptyList())49            val to = ComplexFraction(listOf("Ð¼Ð¸Ð½", "Ð¼Ð¸Ð½"), emptyList())50            convert(from, to) shouldBe 1.0 / 60 / 6051        }52        "ÐÐµÑÐ°Ð²Ð½ÑÐµ ÑÐ°Ð·Ð¼ÐµÑÐ½Ð¾ÑÑÐ¸ Ð¿Ð¾ Ð¾Ð±ÐµÐ¸Ð¼ ÑÑÐ¾ÑÐ¾Ð½Ð°Ð¼ ÑÐ°Ð±Ð¾ÑÐ°ÑÑ" {53            val from = ComplexFraction(listOf("Ñ", "Ð¼Ð¼", "Ð¼"), listOf("Ð¼", "Ð¼Ð¼"))54            val to = ComplexFraction(listOf("Ñ", "Ð¼"), listOf("ÐºÐ¼"))55            convert(from, to) shouldBe 100056        }57        "ÐÐ· Ð½Ð¸ÑÐµÐ³Ð¾ Ð² Ð½Ð¸ÑÐµÐ³Ð¾ ÑÐ°Ð±Ð¾ÑÐ°ÐµÑ" {58            val from = ComplexFraction<String>(emptyList(), emptyList())59            val to = ComplexFraction<String>(emptyList(), emptyList())60            convert(from, to) shouldBe 161        }62        "ÐÐ· Ð½Ð¸ÑÐµÐ³Ð¾ Ð² Ð¼/ÐºÐ¼ Ð²Ð¾Ð·Ð²ÑÐ°ÑÐ°ÐµÑ 1000" {63            val from = ComplexFraction<String>(emptyList(), emptyList())64            val to = ComplexFraction(listOf("Ð¼"), listOf("ÐºÐ¼"))65            convert(from, to) shouldBe 100066        }67        "ÐÐ· ÐºÐ¼/Ð¼ Ð² Ð½Ð¸ÑÐµÐ³Ð¾ Ð²Ð¾Ð·Ð²ÑÐ°ÑÐ°ÐµÑ 1000" {68            val from = ComplexFraction(listOf("ÐºÐ¼"), listOf("Ð¼"))69            val to = ComplexFraction<String>(emptyList(), emptyList())70            convert(from, to) shouldBe 100071        }72        "Ð¡Ð»Ð¾Ð¶Ð½ÑÐ¹ Ð¿ÑÐ¸Ð¼ÐµÑ ÑÐ°Ð±Ð¾ÑÐ°ÐµÑ ((Ð¼Ð¸Ð½*Ð¼Ð¸Ð½*Ñ*ÑÐ¼)/(ÐºÐ¼*Ð¼) = K * (ÑÐ¼*ÑÐ°Ñ*ÑÐ°Ñ*ÑÐ°Ñ)/(Ð¼*Ð¼Ð¼))" {73            val weights = mapOf(74                "Ð¼Ð¼" to 0.1,75                "ÑÐ¼" to 1.0,76                "Ð¼" to 100.0,77                "ÐºÐ¼" to 100.0 * 1000.0,78                "Ñ" to 1.0 / 60,79                "Ð¼Ð¸Ð½" to 1.0,80                "ÑÐ°Ñ" to 60.081            )82            fun <T> List<T>.productOf(func: (T) -> Double) = fold(1.0) { acc, x -> acc * func(x) }83            fun List<String>.productOfWeights() = productOf { weights[it]!! }84            val fromX = listOf("Ð¼Ð¸Ð½", "Ð¼Ð¸Ð½", "Ñ", "ÑÐ¼")85            val fromY = listOf("ÐºÐ¼", "Ð¼")86            val toX = listOf("ÑÐ¼", "ÑÐ°Ñ", "ÑÐ°Ñ", "ÑÐ°Ñ")87            val toY = listOf("Ð¼", "Ð¼Ð¼")88            val fromWeight = fromX.productOfWeights() / fromY.productOfWeights()89            val toWeight = toX.productOfWeights() / toY.productOfWeights()90            val expected = fromWeight / toWeight91            val from = ComplexFraction(fromX, fromY)92            val to = ComplexFraction(toX, toY)93            convert(from, to) shouldBe (expected plusOrMinus 1e-25)94        }95        "ÐÐµÑÑÑ Ð² ÑÐµÐºÑÐ½Ð´Ñ Ð±ÑÐ¾ÑÐ°ÐµÑ ConversionException" {96            val from = ComplexFraction(listOf("Ð¼"), emptyList())97            val to = ComplexFraction(listOf("Ñ"), emptyList())98            shouldThrow<ConversionException> { convert(from, to) }99        }100        "ÐÐµÑÑÑ Ð² Ð»ÑÐ½Ð¾ÑÐ¾Ð´Ñ Ð¸ Ð½Ð°Ð¾Ð±Ð¾ÑÐ¾Ñ Ð±ÑÐ¾ÑÐ°ÐµÑ NoSuchMeasurementException" {101            val from = ComplexFraction(listOf("Ð¼"), emptyList())102            val to = ComplexFraction(listOf("Ð»ÑÐ½Ð¾ÑÐ¾Ð´"), emptyList())103            shouldThrow<NoSuchMeasurementException> { convert(from, to) }104            shouldThrow<NoSuchMeasurementException> { convert(to, from) }105        }106        "Ð¡ÐµÐºÑÐ½Ð´Ð° Ð½Ð° Ð¼ÐµÑÑ Ð² Ð¼ÐµÑÑ Ð½Ð° ÑÐµÐºÑÐ½Ð´Ñ Ð±ÑÐ¾ÑÐ°ÐµÑ ConversionException" {107            val from = ComplexFraction(listOf("Ñ"), listOf("Ð¼"))108            val to = ComplexFraction(listOf("Ð¼"), listOf("Ñ"))109            shouldThrow<ConversionException> { convert(from, to) }110        }111        "Ð Ð°Ð·Ð»Ð¸ÑÐ½ÑÐµ Ð´Ð»Ð¸Ð½Ñ Ð² ÑÐ¸ÑÐ»Ð¸ÑÐµÐ»Ðµ Ð¸ Ð·Ð½Ð°Ð¼ÐµÐ½Ð°ÑÐµÐ»Ðµ Ð±ÑÐ¾ÑÐ°ÐµÑ MismatchedDimensionalityException, Ð¾Ð±ÑÑÐ½ÑÑÑÐ¹ Ð² ConversionException" {112            val from = ComplexFraction(listOf("Ð¼"), listOf("Ñ"))113            val to = ComplexFraction(listOf("Ð¼", "Ð¼"), listOf("Ñ"))114            shouldThrow<ConversionException> { convert(from, to) } should115                    haveCauseOfType<MismatchedDimensionalityException>()116        }117    }118}...

matchers.kt

Source:matchers.kt

...32        "Throwable cause should be of type ${T::class}"33    )34  }35}36inline fun <reified T : Throwable> Throwable.shouldHaveCauseOfType() = this should haveCauseOfType<T>()37inline fun <reified T : Throwable> Throwable.shouldNotHaveCauseOfType() = this shouldNot haveCauseOfType<T>()38inline fun <reified T : Throwable> haveCauseOfType() = object : Matcher<Throwable> {39  override fun test(value: Throwable) = when (value.cause) {40      null -> resultForThrowable(value.cause)41      else -> MatcherResult(42         value.cause!!::class == T::class,43         "Throwable cause should be of type ${T::class}, but instead got ${value::class}",44         "Throwable cause should be of type ${T::class}"45      )46  }47}48@PublishedApi49internal fun resultForThrowable(value: Throwable?) = MatcherResult(50    value != null,51    "Throwable should have a cause",52    "Throwable should not have a cause"...

haveCauseOfType

Using AI Code Generation

1haveCauseOfType<IOException>()2haveCauseInstanceOf(IOException::class)3haveCauseMessage("message")4haveCauseMessageContaining("message")5haveCauseMessageMatching("message")6haveCauseMessageStartingWith("message")7haveCauseMessageEndingWith("message")8haveCauseMessageContainingAll("message")9haveCauseMessageContainingNone("message")10haveCauseMessageContainingNone("message")11haveCauseMessageStartingWithAll("message")12haveCauseMessageEndingWithAll("message")13haveCauseMessageMatchingAll("message")14haveCauseMessageContainingAny("message")15haveCauseMessageStartingWithAny("message")16haveCauseMessageEndingWithAny("message")17haveCauseMessageMatchingAny("message

haveCauseOfType

Using AI Code Generation

1haveCauseOfType<IllegalArgumentException>()2haveCauseInstanceOf(IllegalArgumentException::class)3haveCauseMessage("Cause Message")4haveCauseMessageContaining("Cause Message")5haveCauseMessageMatching(Regex("Cause Message"))6haveCauseMessageStartingWith("Cause Message")7haveCauseMessageEndingWith("Cause Message")8beSuppressedBy(IllegalArgumentException("Suppressed Exception"))9beSuppressedByExactly(IllegalArgumentException("Suppressed Exception"))10beSuppressedByExactlyInAnyOrder(IllegalArgumentException("Suppressed Exception"), IllegalArgumentException("Suppressed Exception"))11beSuppressedByExactlyInAnyOrder(listOf(IllegalArgumentException("Suppressed Exception"), IllegalArgumentException("Suppressed Exception")))12beSuppressedByExactlyInAnyOrder(*arrayOf(IllegalArgumentException("Suppressed Exception"), IllegalArgumentException("Suppressed Exception")))13beSuppressedByExactlyInAnyOrder(arrayOf(IllegalArgumentException("Suppressed Exception"), IllegalArgumentException("Suppressed Exception")))14beSuppressedByExactlyInAnyOrder(arrayOf(IllegalArgumentException("Suppressed Exception"),

haveCauseOfType

Using AI Code Generation

1import io.kotest.matchers.throwable.haveCauseOfType2import io.kotest.assertions.throwable.shouldThrow3import io.kotest.assertions.throwable.shouldThrowAny4import io.kotest.assertions.throwable.shouldNotThrowAny5import io.kotest.assertions.throwable.shouldThrowExactly6import io.kotest.assertions.throwable.shouldThrowAny7import io.kotest.assertions.throwable.shouldThrowAny8import io.kotest.assertions.throwable.shouldNotThrowAny9import io.kotest.assertions.throwable.shouldThrowExactly10import io.kotest.assertions.throwable.shouldThrowAny11import io.kotest.assertions.throwable.shouldThrowAny12import io.kotest.assertions.throwable.shouldNotThrowAny13import io.kotest.assertions.throwable.shouldThrowExactly14import io.kotest.assertions.throwable.shouldThrowAny15import io.kotest.assertions.throwable.shouldThrowAny

haveCauseOfType

Using AI Code Generation

1import io.kotest.matchers.throwable.*2import io.kotest.matchers.throwable.matchers.*3import io.kotest.matchers.throwable.*4import io.kotest.matchers.throwable.matchers.*5import io.kotest.matchers.throwable.*6import io.kotest.matchers.throwable.matchers.*7import io.kotest.matchers.throwable.*8import io.kotest.matchers.throwable.matchers.*9import io.kotest.matchers.throwable.*10import io.kotest.matchers.throwable.matchers.*11import io.kotest.matchers.throwable.*12import io.kotest.matchers.throwable.matchers.*13import io.kotest.matchers.throwable.*14import io.kotest.matchers.throwable.matchers.*15import io.kotest.matchers.throwable.*16import io.kotest.matchers.throwable.matchers.*17import io.kotest.matchers.throwable.*18import io.kotest.matchers.throwable.matchers.*19import io.kotest.matchers.throwable.*20import io.kotest.matchers.throwable.matchers.*21import io.kotest.matchers.throwable.*22import io.kotest.matchers.throwable.matchers.*23import io.kotest.matchers.throwable.*24import io.kotest.matchers

haveCauseOfType

Using AI Code Generation

1val exception = assertThrows<IllegalArgumentException> {2throw IllegalArgumentException("some message")3}4exception should haveCauseOfType<IllegalStateException>()5val exception = assertThrows<IllegalArgumentException> {6throw IllegalArgumentException("some message")7}8exception should haveCauseInstanceOf<IllegalStateException>()9val exception = assertThrows<IllegalArgumentException> {10throw IllegalArgumentException("some message")11}12exception should haveNoCause()13val exception = assertThrows<IllegalArgumentException> {14throw IllegalArgumentException("some message")15}16exception should haveNoSuppressedExceptions()17val exception = assertThrows<IllegalArgumentException> {18throw IllegalArgumentException("some message")19}20exception should haveSuppressedInstanceOf<IllegalStateException>()21val exception = assertThrows<IllegalArgumentException> {22throw IllegalArgumentException("some message")23}24exception should haveSuppressedOfType<IllegalStateException>()25val exception = assertThrows<IllegalArgumentException> {26throw IllegalArgumentException("some message")27}28exception should haveSuppressedSize(1)29val exception = assertThrows<IllegalArgumentException> {30throw IllegalArgumentException("some message")31}32exception should haveType<IllegalArgumentException>()33val exception = assertThrows<IllegalArgumentException> {34throw IllegalArgumentException("some message")35}36exception should haveType<IllegalArgumentException>()37val exception = assertThrows<IllegalArgumentException> {38throw IllegalArgumentException("some message")39}40exception should haveType<IllegalArgumentException>()41val exception = assertThrows<IllegalArgumentException> {42throw IllegalArgumentException("some message")43}44exception should haveType<IllegalArgumentException>()

haveCauseOfType

Using AI Code Generation

1fun `test exception`() {2    val e = assertFailsWith<IllegalArgumentException> {3        throw IllegalArgumentException()4    }5    e should haveCauseOfType<NullPointerException>()6}7fun `test exception`() {8    val e = assertFailsWith<IllegalArgumentException> {9        throw IllegalArgumentException()10    }11    e should haveCauseInstanceOf<NullPointerException>()12}13fun `test exception`() {14    val e = assertFailsWith<IllegalArgumentException> {15        throw IllegalArgumentException()16    }17    e should haveCauseMessage("some message")18}19fun `test exception`() {20    val e = assertFailsWith<IllegalArgumentException> {21        throw IllegalArgumentException()22    }23    e should haveCauseMessageContaining("some message")24}25fun `test exception`() {26    val e = assertFailsWith<IllegalArgumentException> {27        throw IllegalArgumentException()28    }29    e should haveCauseMessageMatching("some message")30}31fun `test exception`() {32    val e = assertFailsWith<IllegalArgumentException> {33        throw IllegalArgumentException()34    }35    e should haveCauseMessageStartingWith("some message")36}37fun `test exception`() {38    val e = assertFailsWith<IllegalArgumentException> {39        throw IllegalArgumentException()40    }41    e should haveCauseMessageEndingWith("some message")42}43fun `test exception`() {44    val e = assertFailsWith<IllegalArgumentException> {45        throw IllegalArgumentException()46    }47    e should haveCauseMessageEqualToIgnoringCase("some message")48}

haveCauseOfType

Using AI Code Generation

1    io.kotest.matchers.throwable.matchers.shouldThrow<Throwable> {2        throw RuntimeException()3    }.haveCauseOfType<IOException>()4This method is a shorthand for `shouldThrow<Throwable> { throw RuntimeException() }.cause.shouldBeInstanceOf<IOException>()`5    io.kotest.matchers.throwable.matchers.shouldThrow<Throwable> {6        throw RuntimeException("foo")7    }.haveMessage("foo")8This method is a shorthand for `shouldThrow<Throwable> { throw RuntimeException("foo") }.message.shouldBe("foo")`9    io.kotest.matchers.throwable.matchers.shouldThrow<Throwable> {10        throw RuntimeException("foo")11    }.haveMessageContaining("f")12This method is a shorthand for `shouldThrow<Throwable> { throw RuntimeException("foo") }.message.shouldContain("f")`13    io.kotest.matchers.throwable.matchers.shouldThrow<Throwable> {14        throw RuntimeException("foo")15    }.haveMessageMatching("f.*")16This method is a shorthand for `shouldThrow<Throwable> { throw RuntimeException("foo") }.message.shouldMatch("f.*")`17    io.kotest.matchers.throwable.matchers.shouldThrow<Throwable> {18        throw RuntimeException("foo")19    }.haveMessage

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