From 1c43af6a8f25720244c227e9a46bdfa2056a91ca Mon Sep 17 00:00:00 2001 From: Julio Biason Date: Mon, 8 May 2023 16:17:25 -0300 Subject: [PATCH] Gigasecond --- groovy/gigasecond/.exercism/config.json | 27 +++++++++ groovy/gigasecond/.exercism/metadata.json | 1 + groovy/gigasecond/HELP.md | 48 ++++++++++++++++ groovy/gigasecond/README.md | 55 +++++++++++++++++++ groovy/gigasecond/build.gradle | 18 ++++++ .../src/main/groovy/Gigasecond.groovy | 16 ++++++ .../src/test/groovy/GigasecondSpec.groovy | 54 ++++++++++++++++++ 7 files changed, 219 insertions(+) create mode 100644 groovy/gigasecond/.exercism/config.json create mode 100644 groovy/gigasecond/.exercism/metadata.json create mode 100644 groovy/gigasecond/HELP.md create mode 100644 groovy/gigasecond/README.md create mode 100644 groovy/gigasecond/build.gradle create mode 100644 groovy/gigasecond/src/main/groovy/Gigasecond.groovy create mode 100644 groovy/gigasecond/src/test/groovy/GigasecondSpec.groovy diff --git a/groovy/gigasecond/.exercism/config.json b/groovy/gigasecond/.exercism/config.json new file mode 100644 index 0000000..0845c61 --- /dev/null +++ b/groovy/gigasecond/.exercism/config.json @@ -0,0 +1,27 @@ +{ + "authors": [], + "contributors": [ + "alexanderific", + "amscotti", + "baincd", + "Dispader", + "ikhadykin", + "kytrinyx", + "Raibaz", + "sjwarner-bp" + ], + "files": { + "solution": [ + "src/main/groovy/Gigasecond.groovy" + ], + "test": [ + "src/test/groovy/GigasecondSpec.groovy" + ], + "example": [ + ".meta/src/reference/groovy/Gigasecond.groovy" + ] + }, + "blurb": "Given a moment, determine the moment that would be after a gigasecond has passed.", + "source": "Chapter 9 in Chris Pine's online Learn to Program tutorial.", + "source_url": "https://pine.fm/LearnToProgram/?Chapter=09" +} diff --git a/groovy/gigasecond/.exercism/metadata.json b/groovy/gigasecond/.exercism/metadata.json new file mode 100644 index 0000000..4e721ec --- /dev/null +++ b/groovy/gigasecond/.exercism/metadata.json @@ -0,0 +1 @@ +{"track":"groovy","exercise":"gigasecond","id":"bd17c521d76e408ea531477b04f0fc1b","url":"https://exercism.org/tracks/groovy/exercises/gigasecond","handle":"JBiason","is_requester":true,"auto_approve":false} \ No newline at end of file diff --git a/groovy/gigasecond/HELP.md b/groovy/gigasecond/HELP.md new file mode 100644 index 0000000..fccdbf2 --- /dev/null +++ b/groovy/gigasecond/HELP.md @@ -0,0 +1,48 @@ +# Help + +## Running the tests + +On MacOS/Linux, please run: + +```sh +$ chmod +x gradlew +``` + +Execute the tests with: + +```sh +$ ./gradlew test +``` + +> Use `gradlew.bat` if you're on Windows + +## Skipped tests + +After the first test(s) pass, continue by commenting out or removing the `@Ignore` annotations prepending other tests. + +## Submitting your solution + +You can submit your solution using the `exercism submit src/main/groovy/Gigasecond.groovy` command. +This command will upload your solution to the Exercism website and print the solution page's URL. + +It's possible to submit an incomplete solution which allows you to: + +- See how others have completed the exercise +- Request help from a mentor + +## Need to get help? + +If you'd like help solving the exercise, check the following pages: + +- The [Groovy track's documentation](https://exercism.org/docs/tracks/groovy) +- [Exercism's programming category on the forum](https://forum.exercism.org/c/programming/5) +- The [Frequently Asked Questions](https://exercism.org/docs/using/faqs) + +Should those resources not suffice, you could submit your (incomplete) solution to request mentoring. + +To get help if you're having trouble, you can use one of the following resources: + +- The [Groovy Language Documentation](http://docs.groovy-lang.org/docs/latest/html/documentation/) +- The [Groovy Community](http://www.groovy-lang.org/community.html) entry of the Groovy Language Documentation +- [/r/groovy](https://www.reddit.com/r/groovy) is the Groovy subreddit. +- [StackOverflow](http://stackoverflow.com/questions/tagged/groovy) can be used to search for your problem and see if it has been answered already. You can also ask and answer questions. \ No newline at end of file diff --git a/groovy/gigasecond/README.md b/groovy/gigasecond/README.md new file mode 100644 index 0000000..fd2b457 --- /dev/null +++ b/groovy/gigasecond/README.md @@ -0,0 +1,55 @@ +# Gigasecond + +Welcome to Gigasecond on Exercism's Groovy Track. +If you need help running the tests or submitting your code, check out `HELP.md`. + +## Introduction + +The way we measure time is kind of messy. +We have 60 seconds in a minute, and 60 minutes in an hour. +This comes from ancient Babylon, where they used 60 as the basis for their number system. +We have 24 hours in a day, 7 days in a week, and how many days in a month? +Well, for days in a month it depends not only on which month it is, but also on what type of calendar is used in the country you live in. + +What if, instead, we only use seconds to express time intervals? +Then we can use metric system prefixes for writing large numbers of seconds in more easily comprehensible quantities. + +- A food recipe might explain that you need to let the brownies cook in the oven for two kiloseconds (that's two thousand seconds). +- Perhaps you and your family would travel to somewhere exotic for two megaseconds (that's two million seconds). +- And if you and your spouse were married for _a thousand million_ seconds, you would celebrate your one gigasecond anniversary. + +```exercism/note +If we ever colonize Mars or some other planet, measuring time is going to get even messier. +If someone says "year" do they mean a year on Earth or a year on Mars? + +The idea for this exercise came from the science fiction novel ["A Deepness in the Sky"][vinge-novel] by author Vernor Vinge. +In it the author uses the metric system as the basis for time measurements. + +[vinge-novel]: https://www.tor.com/2017/08/03/science-fiction-with-something-for-everyone-a-deepness-in-the-sky-by-vernor-vinge/ +``` + +## Instructions + +Your task is to determine the date and time one gigasecond after a certain date. + +A gigasecond is one thousand million seconds. +That is a one with nine zeros after it. + +If you were born on _January 24th, 2015 at 22:00 (10:00:00pm)_, then you would be a gigasecond old on _October 2nd, 2046 at 23:46:40 (11:46:40pm)_. + +## Source + +### Contributed to by + +- @alexanderific +- @amscotti +- @baincd +- @Dispader +- @ikhadykin +- @kytrinyx +- @Raibaz +- @sjwarner-bp + +### Based on + +Chapter 9 in Chris Pine's online Learn to Program tutorial. - https://pine.fm/LearnToProgram/?Chapter=09 \ No newline at end of file diff --git a/groovy/gigasecond/build.gradle b/groovy/gigasecond/build.gradle new file mode 100644 index 0000000..e16cd99 --- /dev/null +++ b/groovy/gigasecond/build.gradle @@ -0,0 +1,18 @@ +apply plugin: "groovy" + +repositories { + mavenCentral() +} + +dependencies { + testImplementation "org.spockframework:spock-core:2.0-M2-groovy-3.0" + implementation "org.codehaus.groovy:groovy-all:3.0.2" +} + +test { + useJUnitPlatform() + testLogging { + exceptionFormat = 'full' + events = ["passed", "failed", "skipped"] + } +} \ No newline at end of file diff --git a/groovy/gigasecond/src/main/groovy/Gigasecond.groovy b/groovy/gigasecond/src/main/groovy/Gigasecond.groovy new file mode 100644 index 0000000..dc9bb0f --- /dev/null +++ b/groovy/gigasecond/src/main/groovy/Gigasecond.groovy @@ -0,0 +1,16 @@ +import java.time.LocalDateTime +import java.time.LocalDate + +class Gigasecond { + + static long GIGASECOND = 1_000_000_000 + + static LocalDateTime add(LocalDate initial) { + add(initial?.atStartOfDay()) + } + + static LocalDateTime add(LocalDateTime initial) { + initial?.plusSeconds(GIGASECOND) + } + +} diff --git a/groovy/gigasecond/src/test/groovy/GigasecondSpec.groovy b/groovy/gigasecond/src/test/groovy/GigasecondSpec.groovy new file mode 100644 index 0000000..73599d3 --- /dev/null +++ b/groovy/gigasecond/src/test/groovy/GigasecondSpec.groovy @@ -0,0 +1,54 @@ +import spock.lang.* + +import java.time.LocalDate +import java.time.LocalDateTime +import java.time.Month + +class GigasecondSpec extends Specification { + + def "Date only specification of time"() { + expect: + Gigasecond.add(moment) == expected + + where: + moment = LocalDate.of(2011, Month.APRIL, 25) + expected = LocalDateTime.of(2043, Month.JANUARY, 1, 1, 46, 40) + } + + def "Second test for date only specification of time"() { + expect: + Gigasecond.add(moment) == expected + + where: + moment = LocalDate.of(1977, Month.JUNE, 13) + expected = LocalDateTime.of(2009, Month.FEBRUARY, 19, 1, 46, 40) + } + + def "Third test for date only specification of time"() { + expect: + Gigasecond.add(moment) == expected + + where: + moment = LocalDate.of(1959, Month.JULY, 19) + expected = LocalDateTime.of(1991, Month.MARCH, 27, 1, 46, 40) + } + + def "Full time specified"() { + expect: + Gigasecond.add(moment) == expected + + where: + moment = LocalDateTime.of(2015, Month.JANUARY, 24, 22, 0, 0) + expected = LocalDateTime.of(2046, Month.OCTOBER, 2, 23, 46, 40) + } + + def "Full time with day roll-over"() { + expect: + Gigasecond.add(moment) == expected + + where: + moment = LocalDateTime.of(2015, Month.JANUARY, 24, 23, 59, 59) + expected = LocalDateTime.of(2046, Month.OCTOBER, 3, 1, 46, 39) + } + +}