From 460b21f0bb5ea27c99607246255113b333762ece Mon Sep 17 00:00:00 2001 From: "anthony.cicchetti" Date: Mon, 5 Jun 2017 11:36:44 -0400 Subject: [PATCH] Kotlin - Grade School Complete --- .../.gradle/3.5/file-changes/last-build.bin | Bin 0 -> 1 bytes .../.gradle/3.5/taskHistory/taskHistory.lock | Bin 0 -> 17 bytes .../.gradle/buildOutputCleanup/built.bin | 0 .../buildOutputCleanup/cache.properties | 2 + .../buildOutputCleanup/cache.properties.lock | 1 + kotlin/grade-school/.idea/compiler.xml | 9 + kotlin/grade-school/.idea/gradle.xml | 19 + .../libraries/Gradle__junit_junit_4_12.xml | 11 + ...Gradle__org_hamcrest_hamcrest_core_1_3.xml | 11 + ...Gradle__org_jetbrains_annotations_13_0.xml | 11 + ...g_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml | 11 + ...org_jetbrains_kotlin_kotlin_test_1_1_1.xml | 11 + ...tbrains_kotlin_kotlin_test_junit_1_1_1.xml | 11 + kotlin/grade-school/.idea/misc.xml | 22 + kotlin/grade-school/.idea/modules.xml | 10 + .../.idea/modules/grade-school_main.iml | 40 + .../.idea/modules/grade-school_test.iml | 46 + kotlin/grade-school/.idea/workspace.xml | 1030 +++++++++++++++++ kotlin/grade-school/README.md | 44 + kotlin/grade-school/build.gradle | 28 + .../main/School$sort$returnDatabase$1.class | Bin 0 -> 1308 bytes .../build/classes/main/School.class | Bin 0 -> 3038 bytes .../build/classes/test/SchoolTest.class | Bin 0 -> 4440 bytes .../build/kotlin-build/caches/version.txt | 1 + kotlin/grade-school/grade-school.iml | 12 + kotlin/grade-school/src/main/kotlin/.keep | 0 kotlin/grade-school/src/main/kotlin/School.kt | 26 + .../src/test/kotlin/SchoolTest.kt | 85 ++ kotlin/phone-number/.idea/workspace.xml | 4 +- 29 files changed, 1443 insertions(+), 2 deletions(-) create mode 100644 kotlin/grade-school/.gradle/3.5/file-changes/last-build.bin create mode 100644 kotlin/grade-school/.gradle/3.5/taskHistory/taskHistory.lock create mode 100644 kotlin/grade-school/.gradle/buildOutputCleanup/built.bin create mode 100644 kotlin/grade-school/.gradle/buildOutputCleanup/cache.properties create mode 100644 kotlin/grade-school/.gradle/buildOutputCleanup/cache.properties.lock create mode 100644 kotlin/grade-school/.idea/compiler.xml create mode 100644 kotlin/grade-school/.idea/gradle.xml create mode 100644 kotlin/grade-school/.idea/libraries/Gradle__junit_junit_4_12.xml create mode 100644 kotlin/grade-school/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml create mode 100644 kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml create mode 100644 kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml create mode 100644 kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml create mode 100644 kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml create mode 100644 kotlin/grade-school/.idea/misc.xml create mode 100644 kotlin/grade-school/.idea/modules.xml create mode 100644 kotlin/grade-school/.idea/modules/grade-school_main.iml create mode 100644 kotlin/grade-school/.idea/modules/grade-school_test.iml create mode 100644 kotlin/grade-school/.idea/workspace.xml create mode 100644 kotlin/grade-school/README.md create mode 100644 kotlin/grade-school/build.gradle create mode 100644 kotlin/grade-school/build/classes/main/School$sort$returnDatabase$1.class create mode 100644 kotlin/grade-school/build/classes/main/School.class create mode 100644 kotlin/grade-school/build/classes/test/SchoolTest.class create mode 100644 kotlin/grade-school/build/kotlin-build/caches/version.txt create mode 100644 kotlin/grade-school/grade-school.iml create mode 100644 kotlin/grade-school/src/main/kotlin/.keep create mode 100644 kotlin/grade-school/src/main/kotlin/School.kt create mode 100644 kotlin/grade-school/src/test/kotlin/SchoolTest.kt diff --git a/kotlin/grade-school/.gradle/3.5/file-changes/last-build.bin b/kotlin/grade-school/.gradle/3.5/file-changes/last-build.bin new file mode 100644 index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d GIT binary patch literal 1 IcmZPo000310RR91 literal 0 HcmV?d00001 diff --git a/kotlin/grade-school/.gradle/3.5/taskHistory/taskHistory.lock b/kotlin/grade-school/.gradle/3.5/taskHistory/taskHistory.lock new file mode 100644 index 0000000000000000000000000000000000000000..1475f83b51438000cddc758428dc1692d8dc3cbf GIT binary patch literal 17 TcmZR+^Wy50FuTr&3{U_7M#}|% literal 0 HcmV?d00001 diff --git a/kotlin/grade-school/.gradle/buildOutputCleanup/built.bin b/kotlin/grade-school/.gradle/buildOutputCleanup/built.bin new file mode 100644 index 0000000..e69de29 diff --git a/kotlin/grade-school/.gradle/buildOutputCleanup/cache.properties b/kotlin/grade-school/.gradle/buildOutputCleanup/cache.properties new file mode 100644 index 0000000..a92e1f9 --- /dev/null +++ b/kotlin/grade-school/.gradle/buildOutputCleanup/cache.properties @@ -0,0 +1,2 @@ +#Mon Jun 05 10:37:40 EDT 2017 +gradle.version=3.5 diff --git a/kotlin/grade-school/.gradle/buildOutputCleanup/cache.properties.lock b/kotlin/grade-school/.gradle/buildOutputCleanup/cache.properties.lock new file mode 100644 index 0000000..40fdece --- /dev/null +++ b/kotlin/grade-school/.gradle/buildOutputCleanup/cache.properties.lock @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/kotlin/grade-school/.idea/compiler.xml b/kotlin/grade-school/.idea/compiler.xml new file mode 100644 index 0000000..b4894a7 --- /dev/null +++ b/kotlin/grade-school/.idea/compiler.xml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grade-school/.idea/gradle.xml b/kotlin/grade-school/.idea/gradle.xml new file mode 100644 index 0000000..346dc7e --- /dev/null +++ b/kotlin/grade-school/.idea/gradle.xml @@ -0,0 +1,19 @@ + + + + + + \ No newline at end of file diff --git a/kotlin/grade-school/.idea/libraries/Gradle__junit_junit_4_12.xml b/kotlin/grade-school/.idea/libraries/Gradle__junit_junit_4_12.xml new file mode 100644 index 0000000..04c10dd --- /dev/null +++ b/kotlin/grade-school/.idea/libraries/Gradle__junit_junit_4_12.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grade-school/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml b/kotlin/grade-school/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml new file mode 100644 index 0000000..8262f72 --- /dev/null +++ b/kotlin/grade-school/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml b/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml new file mode 100644 index 0000000..4f32fde --- /dev/null +++ b/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml b/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml new file mode 100644 index 0000000..7b6f562 --- /dev/null +++ b/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml b/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml new file mode 100644 index 0000000..1720158 --- /dev/null +++ b/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grade-school/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml 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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1496673458047 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grade-school/README.md b/kotlin/grade-school/README.md new file mode 100644 index 0000000..57e56e4 --- /dev/null +++ b/kotlin/grade-school/README.md @@ -0,0 +1,44 @@ +# Grade School + +Given students' names along with the grade that they are in, create a roster +for the school. + +In the end, you should be able to: + +- Add a student's name to the roster for a grade + - "Add Jim to grade 2." + - "OK." +- Get a list of all students enrolled in a grade + - "Which students are in grade 2?" + - "We've only got Jim just now." +- Get a sorted list of all students in all grades. Grades should sort + as 1, 2, 3, etc., and students within a grade should be sorted + alphabetically by name. + - "Who all is enrolled in school right now?" + - "Grade 1: Anna, Barb, and Charlie. Grade 2: Alex, Peter, and Zoe. + Grade 3…" + +Note that all our students only have one name. (It's a small town, what +do you want?) + + +## For bonus points + +Did you get the tests passing and the code clean? If you want to, these +are some additional things you could try: + +- If you're working in a language with mutable data structures and your + implementation allows outside code to mutate the school's internal DB + directly, see if you can prevent this. Feel free to introduce additional + tests. + +Then please share your thoughts in a comment on the submission. Did this +experiment make the code better? Worse? Did you learn anything from it? + +## Source + +A pairing session with Phil Battos 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. + diff --git a/kotlin/grade-school/build.gradle b/kotlin/grade-school/build.gradle new file mode 100644 index 0000000..16c36c0 --- /dev/null +++ b/kotlin/grade-school/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"] + 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b/kotlin/grade-school/grade-school.iml new file mode 100644 index 0000000..f07c5a7 --- /dev/null +++ b/kotlin/grade-school/grade-school.iml @@ -0,0 +1,12 @@ + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grade-school/src/main/kotlin/.keep b/kotlin/grade-school/src/main/kotlin/.keep new file mode 100644 index 0000000..e69de29 diff --git a/kotlin/grade-school/src/main/kotlin/School.kt b/kotlin/grade-school/src/main/kotlin/School.kt new file mode 100644 index 0000000..1003927 --- /dev/null +++ b/kotlin/grade-school/src/main/kotlin/School.kt @@ -0,0 +1,26 @@ +class School { + private var database: MutableMap> = emptyMap>().toMutableMap() + fun db(): Map>{ + return database + } + + fun sort(): Map>{ + val returnDatabase = database.toSortedMap(Comparator{o1, o2 -> o1 - o2 }) + // Super shitty and hacky but... ehhh + for (i in returnDatabase.keys){ + returnDatabase.put(i, returnDatabase.getOrDefault(i, emptyList()).sorted()) + } + return returnDatabase + } + + fun add(name: String, grade: Int){ + val gradeList: MutableList = this.database.getOrDefault(grade, emptyList()).toMutableList() + gradeList.add(name) + this.database.put(grade, gradeList) + } + + fun grade(grade: Int): List{ + return this.database.getOrDefault(grade, emptyList()) + } + +} \ No newline at end of file diff --git a/kotlin/grade-school/src/test/kotlin/SchoolTest.kt b/kotlin/grade-school/src/test/kotlin/SchoolTest.kt new file mode 100644 index 0000000..591ac57 --- /dev/null +++ b/kotlin/grade-school/src/test/kotlin/SchoolTest.kt @@ -0,0 +1,85 @@ +import org.junit.Before +import org.junit.Test +import org.junit.Ignore +import kotlin.test.assertEquals +import kotlin.test.assertTrue + +class SchoolTest { + + private lateinit var school: School + + @Before + fun beforeTest() { + school = School() + } + + + @Test + fun startsWithNoStudents() { + assertTrue(school.db().isEmpty()) + } + + + @Test + fun addsStudents() { + school.add("Aimee", 2) + + val expected = mapOf(2 to listOf("Aimee")) + assertEquals(expected, school.db()) + } + + + @Test + fun addsMoreStudentsInSameGrade() { + val grade = 2 + school.add("James", grade) + school.add("Blair", grade) + school.add("Paul", grade) + + val expected = mapOf(2 to listOf("James", "Blair", "Paul")) + assertEquals(expected, school.db()) + } + + + @Test + fun addsStudentsInMultipleGrades() { + school.add("Chelsea", 3) + school.add("Logan", 7) + + val expected = mapOf(3 to listOf("Chelsea"), 7 to listOf("Logan")) + assertEquals(expected, school.db()) + } + + + @Test + fun getsStudentsInAGrade() { + school.add("Franklin", 5) + school.add("Bradley", 5) + school.add("Jeff", 1) + + val expected = mapOf(5 to listOf("Franklin", "Bradley"), 1 to listOf("Jeff")) + assertEquals(expected, school.db()) + } + + + @Test + fun getsStudentsInEmptyGrade() { + assertTrue(school.grade(1).isEmpty()) + } + + + @Test + fun sortsSchool() { + school.add("Jennifer", 4) + school.add("Kareem", 6) + school.add("Christopher", 4) + school.add("Kyle", 3) + + val expected = mapOf(6 to listOf("Kareem"), 4 to listOf("Christopher", "Jennifer"), 3 to listOf("Kyle")) + val sortedClasses = school.sort() + assertEquals(expected, sortedClasses) + assertEquals(listOf(3, 4, 6), sortedClasses.keys.toList(), "Grades not sorted in ascending order") + + assertEquals(listOf("Jennifer", "Christopher"), school.db().get(4), "Original student order should not be mutated") + } +} diff --git a/kotlin/phone-number/.idea/workspace.xml b/kotlin/phone-number/.idea/workspace.xml index afa3928..1aa1257 100644 --- a/kotlin/phone-number/.idea/workspace.xml +++ b/kotlin/phone-number/.idea/workspace.xml @@ -484,7 +484,7 @@ - +