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Kotlin - Phone Number Complete

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anthony.cicchetti 2017-06-05 10:36:22 -04:00
parent 7bc0e81574
commit 571d943aa6
58 changed files with 2784 additions and 6 deletions
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15
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#Mon Jun 05 10:10:12 EDT 2017
gradle.version=3.5

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kotlin/phone-number/.idea/modules/phone-number_main.iml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
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# Phone Number
Clean up user-entered phone numbers so that they can be sent SMS messages.
The **North American Numbering Plan (NANP)** is a telephone numbering system used by many countries in North America like the United States, Canada or Bermuda. All NANP-countries share the same international country code `1`.
NANP numbers are ten-digit numbers consisting of a three-digit Numbering Plan Area code, commonly known as *area code*, followed by a seven-digit local number. The first three digits of the local number represent the *exchange code*, followed by the unique four-digit number which is the *subscriber number*.
The format is usually represented as
```
(NXX)-NXX-XXXX
```
where N is any digit from 2 through 9 and X is any digit from 0 through 9.
Your task is to clean up differently formated telephone numbers by removing punctuation and the country code (1) if present.
**Example:**
+1 (613)-995-0253
613-995-0253
1 613 995 0253
613.995.0253
- - - - - - - - - - - - -
6139950253
**Note:** As this exercise only deals with telephone numbers used in NANP-countries only 1 is considered a valid country code.
## Source
Event Manager by JumpstartLab [http://tutorials.jumpstartlab.com/projects/eventmanager.html](http://tutorials.jumpstartlab.com/projects/eventmanager.html)
## Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.

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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"]
}
}

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11001

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kotlin/phone-number/src/main/kotlin/.keep Normal file
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kotlin/phone-number/src/main/kotlin/PhoneNumber.kt Normal file
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class PhoneNumber(inpNumber: String) {
init {
if (inpNumber.length < 10) throw IllegalArgumentException()
if ((inpNumber.length == 11) && !(inpNumber[0] == '1')) throw IllegalArgumentException()
}
private val digits: String = inpNumber.filter { it.isDigit() }
val areaCode: String by lazy {
number.substring(0..2)
}
val number: String by lazy {
if (digits.length == 10) {
digits.filter { it.isDigit() }.drop(0)
}
else digits.filter { it.isDigit() }.drop(0).drop(1)
}
override fun toString(): String {
return "(" + number.subSequence(0..2) + ") " + number.subSequence(3..5)+ "-" + number.subSequence(6..9)
}
}

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kotlin/phone-number/src/test/kotlin/PhoneNumberTest.kt Normal file
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import org.junit.Test
import org.junit.Ignore
import kotlin.test.assertEquals
import kotlin.test.fail
class PhoneNumberTest {
@Test
fun cleansNumber() {
val expectedNumber = "1234567890"
val actualNumber = PhoneNumber("(123) 456-7890").number
assertEquals(expectedNumber, actualNumber)
}
@Test
fun cleansNumberWithDots() {
val expectedNumber = "1234567890"
val actualNumber = PhoneNumber("123.456.7890").number
assertEquals(expectedNumber, actualNumber)
}
@Test
fun validWhen11DigitsAndFirstIs1() {
val expectedNumber = "1234567890"
val actualNumber = PhoneNumber("11234567890").number
assertEquals(expectedNumber, actualNumber)
}
@Test(expected = IllegalArgumentException::class)
fun invalidWhenOnly11Digits() {
val actualNumber = PhoneNumber("21234567890")
fail("IllegalArgumentException should have been thrown")
}
@Test(expected = IllegalArgumentException::class)
fun invalidWhen9Digits() {
val actualNumber = PhoneNumber("123456789")
fail("IllegalArgumentException should have been thrown")
}
@Test
fun areaCode() {
val expectedAreaCode = "123"
val actualAreaCode = PhoneNumber("1234567890").areaCode
assertEquals(expectedAreaCode, actualAreaCode)
}
@Test
fun toStringPrint() {
val expectedtoStringNumber = "(123) 456-7890"
val actualtoStringNumber = PhoneNumber("1234567890").toString()
assertEquals(expectedtoStringNumber, actualtoStringNumber)
}
@Test
fun toStringPrintWithFullUSPhoneNumber() {
val expectedtoStringNumber = "(123) 456-7890"
val actualtoStringNumber = PhoneNumber("11234567890").toString()
assertEquals(expectedtoStringNumber, actualtoStringNumber)
}
}

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#Mon Jun 05 09:48:03 EDT 2017
gradle.version=3.5

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<?xml version="1.0" encoding="UTF-8"?>
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<?xml version="1.0" encoding="UTF-8"?>
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kotlin/robot-name/.idea/libraries/Gradle__junit_junit_4_12.xml generated Normal file
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kotlin/robot-name/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml generated Normal file
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kotlin/robot-name/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml generated Normal file
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kotlin/robot-name/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml generated Normal file
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kotlin/robot-name/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml generated Normal file
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<component name="libraryTable">
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kotlin/robot-name/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml generated Normal file
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kotlin/robot-name/.idea/misc.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
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</splitter-proportions>
</settings>
</state>
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</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/robot-name.iml" filepath="$PROJECT_DIR$/robot-name.iml" />
<module fileurl="file://$PROJECT_DIR$/.idea/modules/robot-name_main.iml" filepath="$PROJECT_DIR$/.idea/modules/robot-name_main.iml" group="robot-name" />
<module fileurl="file://$PROJECT_DIR$/.idea/modules/robot-name_test.iml" filepath="$PROJECT_DIR$/.idea/modules/robot-name_test.iml" group="robot-name" />
</modules>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<module external.linked.project.id="robot-name:main" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.type="sourceSet" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="kotlin-language" name="Kotlin">
<configuration version="2" platform="JVM 1.6" useProjectSettings="false">
<compilerSettings />
<compilerArguments>
<option name="noStdlib" value="true" />
<option name="noReflect" value="true" />
<option name="moduleName" value="robot-name_main" />
<option name="jvmTarget" value="1.6" />
<option name="addCompilerBuiltIns" value="true" />
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<sourceFolder url="file://$MODULE_DIR$/../../src/main/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/../../src/main/kotlin" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/../../src/main/resources" type="java-resource" />
</content>
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</component>
</module>

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kotlin/robot-name/.idea/modules/robot-name_test.iml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<module external.linked.project.id="robot-name:test" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.type="sourceSet" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="kotlin-language" name="Kotlin">
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<compilerSettings />
<compilerArguments>
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<option name="noReflect" value="true" />
<option name="moduleName" value="robot-name_main" />
<option name="jvmTarget" value="1.6" />
<option name="addCompilerBuiltIns" value="true" />
<option name="loadBuiltInsFromDependencies" value="true" />
<option name="languageVersion" value="1.1" />
<option name="apiVersion" value="1.1" />
<option name="pluginClasspaths">
<array />
</option>
<option name="coroutinesWarn" value="true" />
<option name="pluginOptions">
<array />
</option>
</compilerArguments>
</configuration>
</facet>
</component>
<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
<output-test url="file://$MODULE_DIR$/../../build/classes/test" />
<exclude-output />
<content url="file://$MODULE_DIR$/../../src/test">
<sourceFolder url="file://$MODULE_DIR$/../../src/test/java" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/../../src/test/kotlin" isTestSource="true" />
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</component>
<component name="TestModuleProperties" production-module="robot-name_main" />
</module>

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kotlin/robot-name/README.md Normal file
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# Robot Name
Manage robot factory settings.
When robots come off the factory floor, they have no name.
The first time you boot them up, a random name is generated in the format
of two uppercase letters followed by three digits, such as RX837 or BC811.
Every once in a while we need to reset a robot to its factory settings,
which means that their name gets wiped. The next time you ask, it will
respond with a new random name.
The names must be random: they should not follow a predictable sequence.
Random names means a risk of collisions. Your solution must ensure that
every existing robot has a unique name.
## Source
A debugging session with Paul Blackwell at gSchool. [http://gschool.it](http://gschool.it)
## Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.

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kotlin/robot-name/build.gradle Normal file
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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"]
}
}

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11001

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kotlin/robot-name/robot-name.iml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<module external.linked.project.id="robot-name" 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 />
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<excludeFolder url="file://$MODULE_DIR$/build" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

0
kotlin/robot-name/src/main/kotlin/.keep Normal file
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kotlin/robot-name/src/main/kotlin/Robot.kt Normal file
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import java.util.Random
class Robot {
var name: String = generateName()
fun reset(){
name = generateName()
}
private fun generateName(): String{
var nameString: String = ""
nameString += generateRandomString(1, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")
nameString += generateRandomString(2, "0123456789")
return nameString
}
private fun generateRandomString(length: Int, charList: String): String{
var returnString: String = ""
val rng: Random = Random()
for (i in (0..length)){
returnString += charList[rng.nextInt().coerceAtLeast(0).rem(charList.length)]
}
return returnString
}
}

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kotlin/robot-name/src/test/kotlin/RobotTest.kt Normal file
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import org.junit.Test
import org.junit.Ignore
import kotlin.test.assertNotEquals
import kotlin.test.assertTrue
class RobotTest {
companion object {
val EXPECTED_ROBOT_NAME_PATTERN = Regex("[A-Z]{2}\\d{3}")
private fun isValidName(name: String) = EXPECTED_ROBOT_NAME_PATTERN.matches(name)
}
val robot = Robot()
@Test
fun hasName() {
assertTrue(isValidName(robot.name), "Robot name ${robot.name} didn't match expected pattern.")
}
@Test
fun differentRobotsHaveDifferentNames() {
assertNotEquals(robot.name, Robot().name)
}
@Test
fun resetName() {
val name = robot.name
robot.reset()
val name2 = robot.name
assertNotEquals(name, name2)
assertTrue(isValidName(name2), "Robot name $name2 didn't match expected pattern.")
}
}