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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

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