Kotlin - PigLatin WIP

kotlin/flatten-array/.idea/workspace.xml

@@ -32,8 +32,8 @@
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@@ -677,7 +677,7 @@
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kotlin/pig-latin/.gradle/buildOutputCleanup/cache.properties

@@ -0,0 +1,2 @@
+#Tue Jul 25 17:26:14 EDT 2017
+gradle.version=4.0.1

kotlin/pig-latin/.gradle/buildOutputCleanup/cache.properties.lock

@@ -0,0 +1 @@
+

kotlin/pig-latin/README.md

@@ -0,0 +1,27 @@
+# Pig Latin
+
+Implement a program that translates from English to Pig Latin.
+
+Pig Latin is a made-up children's language that's intended to be
+confusing. It obeys a few simple rules (below), but when it's spoken
+quickly it's really difficult for non-children (and non-native speakers)
+to understand.
+
+- **Rule 1**: If a word begins with a vowel sound, add an "ay" sound to
+  the end of the word.
+- **Rule 2**: If a word begins with a consonant sound, move it to the
+  end of the word, and then add an "ay" sound to the end of the word.
+
+There are a few more rules for edge cases, and there are regional
+variants too.
+
+See <http://en.wikipedia.org/wiki/Pig_latin> for more details.
+
+
+
+## Source
+
+The Pig Latin exercise at Test First Teaching by Ultrasaurus [https://github.com/ultrasaurus/test-first-teaching/blob/master/learn_ruby/pig_latin/](https://github.com/ultrasaurus/test-first-teaching/blob/master/learn_ruby/pig_latin/)
+
+## Submitting Incomplete Solutions
+It's possible to submit an incomplete solution so you can see how others have completed the exercise.

kotlin/pig-latin/build.gradle

@@ -0,0 +1,28 @@
+buildscript {
+  ext.kotlin_version = '1.1.1'
+  repositories {
+    mavenCentral()
+  }
+  dependencies {
+    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+  }
+}
+
+apply plugin: 'kotlin'
+
+repositories {
+  mavenCentral()
+}
+
+dependencies {
+  compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+  testCompile 'junit:junit:4.12'
+  testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version"
+}
+test {
+  testLogging {
+    exceptionFormat = 'full'
+    events = ["passed", "failed", "skipped"]
+  }
+}

kotlin/pig-latin/build/kotlin-build/caches/version.txt

@@ -0,0 +1 @@
+11001

kotlin/pig-latin/pig-latin.iml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="pig-latin" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
+      <excludeFolder url="file://$MODULE_DIR$/build" />
+      <excludeFolder url="file://$MODULE_DIR$/out" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

kotlin/pig-latin/src/main/kotlin/PigLatin.kt

@@ -0,0 +1,31 @@
+class PigLatin {
+    companion object {
+        fun translate(inpString: String): String {
+            val stringList: List<String> = inpString.split(' ')
+            val returnStringBuilder = StringBuilder()
+            for (i in stringList){
+                returnStringBuilder.append(i.convertToPigLatin()).append(" ")
+            }
+            return String(returnStringBuilder).trim()
+        }
+
+    }
+}
+
+fun Char.isVowel(): Boolean{
+    val lowercase = this.toLowerCase()
+    return ((lowercase == 'a') or (lowercase == 'e') or (lowercase == 'i') or (lowercase == 'o') or (lowercase == 'u'))
+}
+
+fun String.convertToPigLatin(): String{
+    val returnStringBuilder = StringBuilder()
+    if (this.first().isVowel()){
+        returnStringBuilder.append(this + "ay")
+    }
+    else {
+        // TODO: Start accounting for edge cases
+        val (first, temp) = this.partition { it === this.first() }
+        returnStringBuilder.append(temp + first + "ay")
+    }
+    return String(returnStringBuilder)
+}

kotlin/pig-latin/src/test/kotlin/PigLatinTest.kt

@@ -0,0 +1,61 @@
+import org.junit.Test
+import org.junit.Ignore
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+import kotlin.test.assertEquals
+
+@RunWith(Parameterized::class)
+class PigLatinTest(val input: String, val expectedOutput: String) {
+
+    companion object {
+        @JvmStatic
+        @Parameterized.Parameters(name = "{index}: translate({0})={1}")
+        fun data() = arrayOf(
+                // Ay is added to words that start with vowels
+                arrayOf("apple", "appleay"),
+                arrayOf("ear", "earay"),
+                arrayOf("igloo", "iglooay"),
+                arrayOf("object", "objectay"),
+                arrayOf("under", "underay"),
+
+                // First letter and ay are moved to the end of words that start with consonants
+                arrayOf("pig", "igpay"),
+                arrayOf("koala", "oalakay"),
+                arrayOf("yellow", "ellowyay"),
+                arrayOf("xenon", "enonxay"),
+
+                // Ch is treated like a single consonant
+                arrayOf("chair", "airchay"),
+
+                // Qu is treated like a single consonant
+                arrayOf("queen", "eenquay"),
+
+                // Qu and a single preceding consonant are treated like a single consonant
+                arrayOf("square", "aresquay"),
+
+                // Th is treated like a single consonant
+                arrayOf("therapy", "erapythay"),
+
+                // Thr is treated like a single consonant
+                arrayOf("thrush", "ushthray"),
+
+                // Sch is treated like a single consonant
+                arrayOf("school", "oolschay"),
+
+                // Yt is treated like a single vowel
+                arrayOf("yttria", "yttriaay"),
+
+                // Xr is treated like a single vowel
+                arrayOf("xray", "xrayay"),
+
+                // Phrases are translated
+                arrayOf("quick fast run", "ickquay astfay unray")
+        )
+    }
+
+
+    @Test
+    fun test() {
+        assertEquals(expectedOutput, PigLatin.translate(input))
+    }
+}