How to use File.shouldHaveSameContentAs method of io.kotest.matchers.file.content class

Best Kotest code snippet using io.kotest.matchers.file.content.File.shouldHaveSameContentAs

matchers.kt

Source:matchers.kt

1package io.kotest.matchers.file2import io.kotest.matchers.Matcher3import io.kotest.matchers.MatcherResult4import io.kotest.matchers.collections.shouldBeSameSizeAs5import io.kotest.matchers.paths.beSymbolicLink6import io.kotest.matchers.should7import io.kotest.matchers.shouldBe8import io.kotest.matchers.shouldNot9import io.kotest.matchers.shouldNotBe10import java.io.File11import java.io.FileFilter12import java.nio.file.Path13private fun File.safeList(): List<String> = this.list()?.toList() ?: emptyList()14private fun File.safeListFiles(): List<File> = this.listFiles()?.toList() ?: emptyList()15private fun File.safeListFiles(filter: FileFilter): List<File> = this.listFiles(filter)?.toList() ?: emptyList()16fun File.shouldBeEmptyDirectory() = this should beEmptyDirectory()17fun File.shouldNotBeEmptyDirectory() = this shouldNot beEmptyDirectory()18fun beEmptyDirectory(): Matcher<File> = object : Matcher<File> {19   override fun test(value: File): MatcherResult {20      val contents = if (value.isDirectory) value.safeList() else emptyList()21      return MatcherResult(22         contents.isEmpty(),23         { "$value should be an empty directory but contained ${contents.size} file(s) [${contents.joinToString(", ")}]" },24         { "$value should not be a non empty directory" }25      )26   }27}28infix fun File.shouldContainNFiles(n: Int) = this shouldBe containNFiles(n)29infix fun File.shouldNotContainNFiles(n: Int) = this shouldNotBe containNFiles(n)30fun containNFiles(n: Int): Matcher<File> = object : Matcher<File> {31   override fun test(value: File): MatcherResult = MatcherResult(32      value.isDirectory && value.safeList().size == n,33      { "$value should be a directory and contain $n files" },34      { "$value should not be a directory containing $n files" }35   )36}37fun File.shouldBeEmpty() = this shouldBe emptyFile()38fun File.shouldNotBeEmpty() = this shouldNotBe emptyFile()39fun emptyFile(): Matcher<File> = object : Matcher<File> {40   override fun test(value: File): MatcherResult =41      MatcherResult(42         value.length() == 0L,43         { "File $value should be empty" },44         { "File $value should not be empty" }45      )46}47fun File.shouldExist() = this should exist()48fun File.shouldNotExist() = this shouldNot exist()49fun exist() = object : Matcher<File> {50   override fun test(value: File) =51      MatcherResult(52         value.exists(),53         { "File $value should exist" },54         { "File $value should not exist" }55      )56}57infix fun File.shouldContainFile(name: String) = this should containFile(name)58infix fun File.shouldNotContainFile(name: String) = this shouldNot containFile(name)59fun containFile(name: String) = object : Matcher<File> {60   override fun test(value: File): MatcherResult {61      val contents = value.safeList()62      val passed = value.isDirectory && contents.contains(name)63      return MatcherResult(64         passed,65         { "Directory $value should contain a file with filename $name (detected ${contents.size} other files)" },66         { "Directory $value should not contain a file with filename $name" }67      )68   }69}70fun File.shouldBeSymbolicLink() = this.toPath() should beSymbolicLink()71fun File.shouldNotBeSymbolicLink() = this.toPath() shouldNot beSymbolicLink()72infix fun File.shouldHaveParent(name: String) = this should haveParent(name)73infix fun File.shouldNotHaveParent(name: String) = this shouldNot haveParent(name)74fun haveParent(name: String) = object : Matcher<File> {75   private fun isParentEqualExpected(parent: File?): Boolean =76      parent != null && (parent.name == name || isParentEqualExpected(parent.parentFile))77   override fun test(value: File) = MatcherResult(78      isParentEqualExpected(value.parentFile),79      { "File $value should have parent $name" },80      { "File $value should not have parent $name" }81   )82}83fun File.shouldBeADirectory() = this should aDirectory()84fun File.shouldNotBeADirectory() = this shouldNot aDirectory()85fun aDirectory(): Matcher<File> = object : Matcher<File> {86   override fun test(value: File): MatcherResult = MatcherResult(87      value.isDirectory,88      { "File $value should be a directory" },89      { "File $value should not be a directory" }90   )91}92fun File.shouldBeAFile() = this should aFile()93fun File.shouldNotBeAFile() = this shouldNot aFile()94fun aFile(): Matcher<File> = object : Matcher<File> {95   override fun test(value: File): MatcherResult =96      MatcherResult(97         value.isFile,98         { "File $value should be a file" },99         { "File $value should not be a file" })100}101infix fun File.shouldBeSmaller(other: Path) = this should beSmaller(other.toFile())102infix fun File.shouldBeSmaller(other: File) = this should beSmaller(other)103infix fun File.shouldNotBeSmaller(other: Path) = this shouldNot beSmaller(other.toFile())104infix fun File.shouldNotBeSmaller(other: File) = this shouldNot beSmaller(other)105fun beSmaller(other: File): Matcher<File> = object : Matcher<File> {106   override fun test(value: File): MatcherResult {107      val sizea = value.length()108      val sizeb = other.length()109      return MatcherResult(110         value.length() < other.length(),111         { "File $value ($sizea bytes) should be smaller than $other ($sizeb bytes)" },112         { "File $value ($sizea bytes) should not be smaller than $other ($sizeb bytes)" }113      )114   }115}116infix fun File.shouldBeLarger(other: Path) = this should beLarger(other.toFile())117infix fun File.shouldBeLarger(other: File) = this should beLarger(other)118infix fun File.shouldNotBeLarger(other: Path) = this shouldNot beLarger(other.toFile())119infix fun File.shouldNotBeLarger(other: File) = this shouldNot beLarger(other)120fun beLarger(other: File): Matcher<File> = object : Matcher<File> {121   override fun test(value: File): MatcherResult {122      val sizea = value.length()123      val sizeb = other.length()124      return MatcherResult(125         value.length() > other.length(),126         { "File $value ($sizea bytes) should be larger than $other ($sizeb bytes)" },127         { "File $value ($sizea bytes) should not be larger than $other ($sizeb bytes)" }128      )129   }130}131fun File.shouldBeCanonical() = this should beCanonicalPath()132fun File.shouldNotBeCanonical() = this shouldNot beCanonicalPath()133fun beCanonicalPath(): Matcher<File> = object : Matcher<File> {134   override fun test(value: File): MatcherResult = MatcherResult(135      value.canonicalPath == value.path,136      { "File $value should be canonical" },137      { "File $value should not be canonical" }138   )139}140fun File.shouldBeAbsolute() = this should beAbsolute()141fun File.shouldNotBeAbsolute() = this shouldNot beAbsolute()142fun beAbsolute(): Matcher<File> = object : Matcher<File> {143   override fun test(value: File): MatcherResult =144      MatcherResult(145         value.isAbsolute,146         { "File $value should be absolute" },147         { "File $value should not be absolute" })148}149fun File.shouldBeRelative() = this should beRelative()150fun File.shouldNotBeRelative() = this shouldNot beRelative()151fun beRelative(): Matcher<File> = object : Matcher<File> {152   override fun test(value: File): MatcherResult =153      MatcherResult(154         !value.isAbsolute,155         { "File $value should be relative" },156         { "File $value should not be relative" })157}158infix fun File.shouldHaveFileSize(size: Long) = this should haveFileSize(size)159infix fun File.shouldNotHaveFileSize(size: Long) = this shouldNot haveFileSize(size)160fun haveFileSize(size: Long): Matcher<File> = object : Matcher<File> {161   override fun test(value: File): MatcherResult = MatcherResult(162      value.length() == size,163      { "File $value should have size $size" },164      { "File $value should not have size $size" }165   )166}167fun File.shouldBeWriteable() = this should beWriteable()168fun File.shouldNotBeWriteable() = this shouldNot beWriteable()169fun beWriteable(): Matcher<File> = object : Matcher<File> {170   override fun test(value: File): MatcherResult =171      MatcherResult(172         value.canWrite(),173         { "File $value should be writeable" },174         { "File $value should not be writeable" })175}176fun File.shouldBeExecutable() = this should beExecutable()177fun File.shouldNotBeExecutable() = this shouldNot beExecutable()178fun beExecutable(): Matcher<File> = object : Matcher<File> {179   override fun test(value: File): MatcherResult = MatcherResult(180      value.canExecute(),181      { "File $value should be executable" },182      { "File $value should not be executable" }183   )184}185fun File.shouldBeHidden() = this should beHidden()186fun File.shouldNotBeHidden() = this shouldNot beHidden()187fun beHidden(): Matcher<File> = object : Matcher<File> {188   override fun test(value: File): MatcherResult =189      MatcherResult(190         value.isHidden,191         { "File $value should be hidden" },192         { "File $value should not be hidden" })193}194fun File.shouldBeReadable() = this should beReadable()195fun File.shouldNotBeReadable() = this shouldNot beReadable()196fun beReadable(): Matcher<File> = object : Matcher<File> {197   override fun test(value: File): MatcherResult =198      MatcherResult(199         value.canRead(),200         { "File $value should be readable" },201         { "File $value should not be readable" })202}203infix fun File.shouldStartWithPath(path: Path) = this should startWithPath(path)204infix fun File.shouldNotStartWithPath(path: Path) = this shouldNot startWithPath(path)205infix fun File.shouldStartWithPath(prefix: String) = this should startWithPath(prefix)206infix fun File.shouldNotStartWithPath(prefix: String) = this shouldNot startWithPath(prefix)207infix fun File.shouldStartWithPath(file: File) = this should startWithPath(file)208infix fun File.shouldNotStartWithPath(file: File) = this shouldNot startWithPath(file)209infix fun Path.shouldStartWithPath(path: Path) = this.toFile() should startWithPath(path)210infix fun Path.shouldNotStartWithPath(path: Path) = this.toFile() shouldNot startWithPath(path)211fun startWithPath(path: Path) = startWithPath(path.toFile())212fun startWithPath(file: File) = startWithPath(file.toString())213fun startWithPath(prefix: String) = object : Matcher<File> {214   override fun test(value: File): MatcherResult = MatcherResult(215      value.toString().startsWith(prefix),216      { "File $value should start with $prefix" },217      { "File $value should not start with $prefix" }218   )219}220infix fun File.shouldHaveSameStructureAs(file: File) {221   this.shouldHaveSameStructureAs(file) { _, _ -> false }222}223fun File.shouldHaveSameStructureAs(224   file: File,225   compare: (expect: File, actual: File) -> Boolean,226) {227   val expectFiles = this.walkTopDown().toList()228   val actualFiles = file.walkTopDown().toList()229   val expectParentPath = this.path230   val actualParentPath = file.path231   expectFiles shouldBeSameSizeAs actualFiles232   expectFiles.zip(actualFiles) { expect, actual ->233      when {234         compare(expect, actual) -> {}235         expect.isDirectory -> actual.shouldBeADirectory()236         expect.isFile -> {237            expect.path.removePrefix(expectParentPath)238               .shouldBe(actual.path.removePrefix(actualParentPath))239         }240         else -> error("There is an unexpected error analyzing file trees")241      }242   }243}244fun File.shouldHaveSameStructureAs(245   file: File,246   filterLhs: (File) -> Boolean = { false },247   filterRhs: (File) -> Boolean = { false },248) {249   this.shouldHaveSameStructureAs(file) { expect, actual ->250      filterLhs(expect) || filterRhs(actual)251   }252}253infix fun File.shouldHaveSameStructureAndContentAs(file: File) {254   this.shouldHaveSameStructureAndContentAs(file) { _, _ -> false }255}256fun File.shouldHaveSameStructureAndContentAs(257   file: File,258   compare: (expect: File, actual: File) -> Boolean,259) {260   val expectFiles = this.walkTopDown().toList()261   val actualFiles = file.walkTopDown().toList()262   val expectParentPath = this.path263   val actualParentPath = file.path264   expectFiles shouldBeSameSizeAs actualFiles265   expectFiles.zip(actualFiles) { expect, actual ->266      when {267         compare(expect, actual) -> {}268         expect.isDirectory -> actual.shouldBeADirectory()269         expect.isFile -> {270            expect.path.removePrefix(expectParentPath)271               .shouldBe(actual.path.removePrefix(actualParentPath))272            expect.shouldHaveSameContentAs(actual)273         }274         else -> error("There is an unexpected error analyzing file trees")275      }276   }277}278fun File.shouldHaveSameStructureAndContentAs(279   file: File,280   filterLhs: (File) -> Boolean = { false },281   filterRhs: (File) -> Boolean = { false },282) {283   this.shouldHaveSameStructureAndContentAs(file) { expect, actual ->284      filterLhs(expect) || filterRhs(actual)285   }286}...

ContentsTest.kt

Source:ContentsTest.kt

1package com.sksamuel.kotest.matchers.file2import io.kotest.assertions.throwables.shouldThrowAny3import io.kotest.core.spec.style.FunSpec4import io.kotest.matchers.file.shouldHaveSameContentAs5import io.kotest.matchers.throwable.shouldHaveMessage6import java.nio.file.Files7class ContentsTest : FunSpec() {8   init {9      test("file contents match") {10         val a = Files.createTempFile("a", "txt")11         val b = Files.createTempFile("a", "txt")12         Files.write(a, "foo\nbar\nbaz".lines())13         Files.write(b, "foo\nbar\nbaz".lines())14         a.toFile().shouldHaveSameContentAs(b.toFile())15      }16      test("file contents differ") {17         val a = Files.createTempFile("a", "txt")18         val b = Files.createTempFile("a", "txt")19         Files.write(a, "foo\nwoo\nbaz".lines())20         Files.write(b, "foo\nbar\nbaz".lines())21         shouldThrowAny {22            a.toFile().shouldHaveSameContentAs(b.toFile())23         }.shouldHaveMessage("""Files $a and $b should have the same content.24Instead they differ at line 2:25+ woo26- bar""")27      }28      test("file contents match but one has more lines") {29         val a = Files.createTempFile("a", "txt")30         val b = Files.createTempFile("a", "txt")31         Files.write(a, "foo\nbar\nbaz".lines())32         Files.write(b, "foo\nbar".lines())33         shouldThrowAny {34            a.toFile().shouldHaveSameContentAs(b.toFile())35         }.shouldHaveMessage("""Files $a and $b should have the same content.36File $a has additional lines, starting at line 3: baz""")37      }38   }39}...

content.kt

Source:content.kt

1package io.kotest.matchers.file2import io.kotest.matchers.Matcher3import io.kotest.matchers.MatcherResult4import io.kotest.matchers.should5import java.io.BufferedReader6import java.io.File7import java.io.FileInputStream8import java.io.InputStreamReader9import java.nio.charset.Charset10fun File.shouldHaveSameContentAs(other: File, charset: Charset = Charset.forName("utf8")) =11   this should object : Matcher<File> {12      override fun test(value: File): MatcherResult {13         val lines1 = BufferedReader(InputStreamReader(FileInputStream(value), charset))14         val lines2 = BufferedReader(InputStreamReader(FileInputStream(other), charset))15         var passed = true16         var index = 017         var a: String? = ""18         var b: String? = ""19         while (passed && a != null && b != null) {20            a = lines1.readLine()21            b = lines2.readLine()22            passed = a == b23            index++24         }25         val diff = when {26            a == null -> "File $other has additional lines, starting at line $index: $b"27            b == null -> "File $value has additional lines, starting at line $index: $a"28            else -> "Instead they differ at line $index:\n+ $a\n- $b"29         }30         return MatcherResult(31            passed,32            { "Files $value and $other should have the same content.\n$diff" },33            { "Files $value and $other should not have the same content" }34         )35      }36   }...

BuildProjectsVersionCatalogTest.kt

Source:BuildProjectsVersionCatalogTest.kt

1package com.javiersc.gradle.plugins.projects.version.catalog2import com.javiersc.gradle.plugins.core.test.testSandbox3import io.kotest.matchers.file.shouldHaveSameContentAs4import java.io.File5import kotlin.test.Test6import org.gradle.testkit.runner.BuildResult7class BuildProjectsVersionCatalogTest {8    @Test9    fun `build projects version catalog 1`() {10        testSandbox(sandboxPath = "version-catalog-1", test = ::testProjectsVersionCatalog)11    }12    @Test13    fun `build projects version catalog 2`() {14        testSandbox(sandboxPath = "version-catalog-2", test = ::testProjectsVersionCatalog)15    }16    @Test17    fun `build projects version catalog 3`() {18        testSandbox(sandboxPath = "version-catalog-3", test = ::testProjectsVersionCatalog)19    }20    @Test21    fun `build projects version catalog 4`() {22        testSandbox(sandboxPath = "version-catalog-4", test = ::testProjectsVersionCatalog)23    }24    @Test25    fun `build projects version catalog 5`() {26        testSandbox(sandboxPath = "version-catalog-5", test = ::testProjectsVersionCatalog)27    }28    @Suppress("UNUSED_PARAMETER")29    fun testProjectsVersionCatalog(result: BuildResult, testProjectDir: File) {30        val expect = File("$testProjectDir/projects.versions.toml")31        val actual = File("$testProjectDir/projects.versions-actual.toml")32        expect.shouldHaveSameContentAs(actual)33    }34}...

CodeFormatterTest.kt

Source:CodeFormatterTest.kt

1package com.javiersc.gradle.plugins.code.formatter2import com.javiersc.gradle.plugins.core.test.getResource3import com.javiersc.gradle.plugins.core.test.testSandbox4import io.kotest.matchers.collections.shouldBeSameSizeAs5import io.kotest.matchers.file.shouldBeADirectory6import io.kotest.matchers.file.shouldHaveSameContentAs7import java.io.File8import kotlin.test.Test9import org.gradle.testkit.runner.BuildResult10class CodeFormatterTest {11    @Test12    fun `format 1`() {13        testSandbox(sandboxPath = "sandbox-format-1", test = ::testFormatter)14    }15}16@Suppress("UNUSED_PARAMETER")17fun testFormatter(result: BuildResult, testProjectDir: File) {18    val expect = File("$testProjectDir/library/")19    val actual: File = getResource("sandbox-format-1-actual/library")20    val expectFiles: List<File> =21        expect.walkTopDown().toList().filter { it.path.contains("spotless").not() }22    val actualFiles: List<File> =23        actual.walkTopDown().toList().filter { it.path.contains("spotless").not() }24    expectFiles shouldBeSameSizeAs actualFiles25    expectFiles.zip(actualFiles).forEach { (expect, actual) ->26        when {27            expect.isDirectory -> actual.shouldBeADirectory()28            expect.isFile -> expect.shouldHaveSameContentAs(actual)29            else -> error("Unexpected error analyzing file trees")30        }31    }32}...

TestChangelog.kt

Source:TestChangelog.kt

1package com.javiersc.gradle.plugins.changelog.utils2import io.kotest.matchers.file.shouldHaveSameContentAs3import java.io.File4import java.text.SimpleDateFormat5import java.util.Date6import org.gradle.testkit.runner.BuildResult7@Suppress("UNUSED_PARAMETER")8internal fun testChangelog(result: BuildResult, testProjectDir: File) {9    with(testProjectDir) {10        updateChangelogActualDate()11        changelog.shouldHaveSameContentAs(changelogActual)12    }13}14internal val File.changelog: File15    get() = File("$this/CHANGELOG.md")16internal val File.changelogActual: File17    get() = File("$this/CHANGELOG_EXPECT.md")18internal fun File.updateChangelogActualDate() {19    changelogActual.writeText(20        changelogActual21            .readText()22            .replace("{{ PLACEHOLDER_DATE }}", SimpleDateFormat("yyyy-MM-dd").format(Date()))23    )24}...

File.shouldHaveSameContentAs

Using AI Code Generation

1import io.kotest.matchers.file.content.shouldHaveSameContentAs2import io.kotest.matchers.file.empty.shouldBeEmpty3import io.kotest.matchers.file.emptyDirectory.shouldBeEmptyDirectory4import io.kotest.matchers.file.emptyDirectory.shouldBeEmptyDirectory5import io.kotest.matchers.file.executable.shouldBeExecutable6import io.kotest.matchers.file.hidden.shouldBeHidden7import io.kotest.matchers.file.readable.shouldBeReadable8import io.kotest.matchers.file.relative.shouldBeRelative9import io.kotest.matchers.file.sameFileAs.shouldBeSameFileAs10import io.kotest.matchers.file.symbolicLink.shouldBeSymbolicLink11import io.kotest.matchers.file.writable.shouldBeWritable12import io.kotest.matchers.file.exist.shouldExist13import io.kotest.matchers.file.exist.shouldNotExist14import io.kotest.matchers.file.name.shouldHaveName15import io.kotest.matchers.file

File.shouldHaveSameContentAs

Using AI Code Generation

1File ( "test.txt" ) . shouldHaveSameContentAs ( "test.txt" )2File ( "test.txt" ) . shouldHaveSameContentAs ( File ( "test.txt" ) )3File ( "test.txt" ) . shouldHaveSameContentAs ( "test.txt" , StandardCharsets . UTF_8 )4File ( "test.txt" ) . shouldHaveSameContentAs ( File ( "test.txt" ) , StandardCharsets . UTF_8 )5File ( "test.txt" ) . shouldHaveSameContentAs ( "test.txt" , StandardCharsets . UTF_8 , 8192 )6File ( "test.txt" ) . shouldHaveSameContentAs ( File ( "test.txt" ) , StandardCharsets . UTF_8 , 8192 )7File ( "test.txt" ) . shouldHaveSameContentAs ( "test.txt" , StandardCharsets . UTF_8 , 8192 , 8192 )8File ( "test.txt" ) . shouldHaveSameContentAs ( File ( "test.txt" ) , StandardCharsets . UTF_8 , 8192 , 8192 )9File ( "test.txt" ) . shouldHaveSameContentAs ( "test.txt" , StandardCharsets . UTF_8 , 8192 , 8192 , 8192 )10File ( "test.txt" ) . shouldHaveSameContentAs ( File ( "test.txt" ) , StandardCharsets . UTF_8 , 8192

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.