How to use containOnlyWhitespace method of io.kotest.matchers.string.matchers class

Best Kotest code snippet using io.kotest.matchers.string.matchers.containOnlyWhitespace

StringMatchersTest.kt

Source:StringMatchersTest.kt Github

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...12import io.kotest.matchers.string.containADigit13import io.kotest.matchers.string.containIgnoringCase14import io.kotest.matchers.string.containOnlyDigits15import io.kotest.matchers.string.containOnlyOnce16import io.kotest.matchers.string.containOnlyWhitespace17import io.kotest.matchers.string.endWith18import io.kotest.matchers.string.haveSameLengthAs19import io.kotest.matchers.string.match20import io.kotest.matchers.string.shouldBeBlank21import io.kotest.matchers.string.shouldBeEmpty22import io.kotest.matchers.string.shouldBeEqualIgnoringCase23import io.kotest.matchers.string.shouldBeInteger24import io.kotest.matchers.string.shouldBeSingleLine25import io.kotest.matchers.string.shouldContain26import io.kotest.matchers.string.shouldContainADigit27import io.kotest.matchers.string.shouldContainIgnoringCase28import io.kotest.matchers.string.shouldContainOnlyDigits29import io.kotest.matchers.string.shouldContainOnlyOnce30import io.kotest.matchers.string.shouldEndWith31import io.kotest.matchers.string.shouldHaveLengthBetween32import io.kotest.matchers.string.shouldHaveLengthIn33import io.kotest.matchers.string.shouldHaveSameLengthAs34import io.kotest.matchers.string.shouldMatch35import io.kotest.matchers.string.shouldNotBeBlank36import io.kotest.matchers.string.shouldNotBeEmpty37import io.kotest.matchers.string.shouldNotBeEqualIgnoringCase38import io.kotest.matchers.string.shouldNotBeSingleLine39import io.kotest.matchers.string.shouldNotContain40import io.kotest.matchers.string.shouldNotContainADigit41import io.kotest.matchers.string.shouldNotContainIgnoringCase42import io.kotest.matchers.string.shouldNotContainOnlyDigits43import io.kotest.matchers.string.shouldNotContainOnlyOnce44import io.kotest.matchers.string.shouldNotEndWith45import io.kotest.matchers.string.shouldNotHaveLengthBetween46import io.kotest.matchers.string.shouldNotHaveLengthIn47import io.kotest.matchers.string.shouldNotHaveSameLengthAs48import io.kotest.matchers.string.shouldNotMatch49class StringMatchersTest : FreeSpec() {50 init {51 "string shouldBe other" - {52 "should support null arguments" {53 val a: String? = "a"54 val b: String? = "a"55 a shouldBe b56 }57 "should report when only line endings differ" {58 forAll(59 row("a\nb", "a\r\nb"),60 row("a\nb\nc", "a\nb\r\nc"),61 row("a\r\nb", "a\nb"),62 row("a\nb", "a\rb"),63 row("a\rb", "a\r\nb")64 ) { expected, actual ->65 shouldThrow<AssertionError> {66 actual shouldBe expected67 }.let {68 it.message shouldContain "contents match, but line-breaks differ"69 }70 }71 }72 "should show diff when newline count differs" {73 shouldThrow<AssertionError> {74 "a\nb" shouldBe "a\n\nb"75 }.message shouldBe """76 |(contents match, but line-breaks differ; output has been escaped to show line-breaks)77 |expected:<a\n\nb> but was:<a\nb>78 """.trimMargin()79 }80 }81 "contain only once" {82 "la tour" should containOnlyOnce("tour")83 "la tour tour" shouldNot containOnlyOnce("tour")84 "la tour tour" shouldNotContainOnlyOnce "tour"85 shouldThrow<AssertionError> {86 "la" should containOnlyOnce("tour")87 }.message shouldBe """"la" should contain the substring "tour" exactly once"""88 shouldThrow<AssertionError> {89 null shouldNot containOnlyOnce("tour")90 }.message shouldBe "Expecting actual not to be null"91 shouldThrow<AssertionError> {92 null shouldNotContainOnlyOnce "tour"93 }.message shouldBe "Expecting actual not to be null"94 shouldThrow<AssertionError> {95 null should containOnlyOnce("tour")96 }.message shouldBe "Expecting actual not to be null"97 shouldThrow<AssertionError> {98 null shouldContainOnlyOnce "tour"99 }.message shouldBe "Expecting actual not to be null"100 }101 "contain(regex)" {102 "la tour" should contain("^.*?tour$".toRegex())103 "la tour" shouldNot contain(".*?abc.*?".toRegex())104 "la tour" shouldContain "^.*?tour$".toRegex()105 "la tour" shouldNotContain ".*?abc.*?".toRegex()106 shouldThrow<AssertionError> {107 "la tour" shouldContain ".*?abc.*?".toRegex()108 }.message shouldBe "\"la tour\" should contain regex .*?abc.*?"109 shouldThrow<AssertionError> {110 "la tour" shouldNotContain "^.*?tour$".toRegex()111 }.message shouldBe "\"la tour\" should not contain regex ^.*?tour\$"112 shouldThrow<AssertionError> {113 null shouldNot contain("^.*?tour$".toRegex())114 }.message shouldBe "Expecting actual not to be null"115 shouldThrow<AssertionError> {116 null shouldNotContain "^.*?tour$".toRegex()117 }.message shouldBe "Expecting actual not to be null"118 shouldThrow<AssertionError> {119 null should contain("^.*?tour$".toRegex())120 }.message shouldBe "Expecting actual not to be null"121 shouldThrow<AssertionError> {122 null shouldContain "^.*?tour$".toRegex()123 }.message shouldBe "Expecting actual not to be null"124 }125 "string should beEmpty()" - {126 "should test that a string has length 0" {127 "" should beEmpty()128 "hello" shouldNot beEmpty()129 "hello".shouldNotBeEmpty()130 "".shouldBeEmpty()131 shouldThrow<AssertionError> {132 "hello".shouldBeEmpty()133 }.message shouldBe "\"hello\" should be empty"134 shouldThrow<AssertionError> {135 "".shouldNotBeEmpty()136 }.message shouldBe "<empty string> should not be empty"137 }138 "should fail if value is null" {139 shouldThrow<AssertionError> {140 null shouldNot beEmpty()141 }.message shouldBe "Expecting actual not to be null"142 shouldThrow<AssertionError> {143 null.shouldNotBeEmpty()144 }.message shouldBe "Expecting actual not to be null"145 shouldThrow<AssertionError> {146 null should beEmpty()147 }.message shouldBe "Expecting actual not to be null"148 shouldThrow<AssertionError> {149 null.shouldBeEmpty()150 }.message shouldBe "Expecting actual not to be null"151 }152 }153 "string should containADigit()" - {154 "should test that a string has at least one number" {155 "" shouldNot containADigit()156 "1" should containADigit()157 "a1".shouldContainADigit()158 "a1b" should containADigit()159 "hello" shouldNot containADigit()160 "hello".shouldNotContainADigit()161 shouldThrow<AssertionError> {162 "hello" should containADigit()163 }.message shouldBe "\"hello\" should contain at least one digit"164 }165 "should fail if value is null" {166 shouldThrow<AssertionError> {167 null shouldNot containADigit()168 }.message shouldBe "Expecting actual not to be null"169 shouldThrow<AssertionError> {170 null.shouldNotContainADigit()171 }.message shouldBe "Expecting actual not to be null"172 shouldThrow<AssertionError> {173 null should containADigit()174 }.message shouldBe "Expecting actual not to be null"175 shouldThrow<AssertionError> {176 null.shouldContainADigit()177 }.message shouldBe "Expecting actual not to be null"178 }179 }180 "string should beBlank()" - {181 "should test that a string has only whitespace" {182 "" should beBlank()183 "" should containOnlyWhitespace()184 " \t " should beBlank()185 "hello" shouldNot beBlank()186 "hello".shouldNotBeBlank()187 " ".shouldBeBlank()188 }189 "should fail if value is null" {190 shouldThrow<AssertionError> {191 null shouldNot beBlank()192 }.message shouldBe "Expecting actual not to be null"193 shouldThrow<AssertionError> {194 null.shouldNotBeBlank()195 }.message shouldBe "Expecting actual not to be null"196 shouldThrow<AssertionError> {197 null should beBlank()...

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matchers.kt

Source:matchers.kt Github

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...69fun String?.shouldNotBeBlank(): String? {70 this shouldNot beBlank()71 return this72}73fun containOnlyWhitespace() = beBlank()74fun beBlank() = neverNullMatcher<String> { value ->75 MatcherResult(76 value.isBlank(),77 { "${value.print().value} should contain only whitespace" },78 { "${value.print().value} should not contain only whitespace" }79 )80}81infix fun String?.shouldContainIgnoringCase(substr: String): String? {82 this should containIgnoringCase(substr)83 return this84}85infix fun String?.shouldNotContainIgnoringCase(substr: String): String? {86 this shouldNot containIgnoringCase(substr)87 return this...

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containOnlyWhitespace

Using AI Code Generation

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1 .containOnlyWhitespace()2 .haveLength(3)3 .startWith("abc")4 .endWith("abc")5 .match(Regex("abc"))6 .match("abc")7 .match("abc".toRegex())8 .match("abc".toRegex())9 .match(Regex("abc"))10 .match("abc")11 .match("abc".toRegex())12 .match("abc".toRegex())13 .match(Regex("abc"))14 .match("abc")15 .match("abc".toRegex())16 .match("abc".toRegex())17 .match(Regex("abc"))18 .match("abc")19 .match("abc".toRegex())

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