From 379e523c04f9ef5c31c0afa26fb4b524a185c45b Mon Sep 17 00:00:00 2001 From: Danylo Negrienko Date: Sat, 6 Jul 2024 13:42:59 -0400 Subject: [PATCH] isogram --- elixir/isogram/.exercism/config.json | 29 ++++++++++ elixir/isogram/.exercism/metadata.json | 1 + elixir/isogram/.formatter.exs | 4 ++ elixir/isogram/.gitignore | 24 +++++++++ elixir/isogram/HELP.md | 75 ++++++++++++++++++++++++++ elixir/isogram/README.md | 40 ++++++++++++++ elixir/isogram/lib/isogram.ex | 9 ++++ elixir/isogram/mix.exs | 28 ++++++++++ elixir/isogram/test/isogram_test.exs | 59 ++++++++++++++++++++ elixir/isogram/test/test_helper.exs | 2 + 10 files changed, 271 insertions(+) create mode 100644 elixir/isogram/.exercism/config.json create mode 100644 elixir/isogram/.exercism/metadata.json create mode 100644 elixir/isogram/.formatter.exs create mode 100644 elixir/isogram/.gitignore create mode 100644 elixir/isogram/HELP.md create mode 100644 elixir/isogram/README.md create mode 100644 elixir/isogram/lib/isogram.ex create mode 100644 elixir/isogram/mix.exs create mode 100644 elixir/isogram/test/isogram_test.exs create mode 100644 elixir/isogram/test/test_helper.exs diff --git a/elixir/isogram/.exercism/config.json b/elixir/isogram/.exercism/config.json new file mode 100644 index 0000000..7d6a6b2 --- /dev/null +++ b/elixir/isogram/.exercism/config.json @@ -0,0 +1,29 @@ +{ + "authors": [ + "jimmbraddock" + ], + "contributors": [ + "angelikatyborska", + "awochna", + "Cohen-Carlisle", + "devonestes", + "lpil", + "neenjaw", + "parkerl", + "sotojuan" + ], + "files": { + "solution": [ + "lib/isogram.ex" + ], + "test": [ + "test/isogram_test.exs" + ], + "example": [ + ".meta/example.ex" + ] + }, + "blurb": "Determine if a word or phrase is an isogram.", + "source": "Wikipedia", + "source_url": "https://en.wikipedia.org/wiki/Isogram" +} diff --git a/elixir/isogram/.exercism/metadata.json b/elixir/isogram/.exercism/metadata.json new file mode 100644 index 0000000..b4eb110 --- /dev/null +++ b/elixir/isogram/.exercism/metadata.json @@ -0,0 +1 @@ +{"track":"elixir","exercise":"isogram","id":"97e0306c1cf5487e94c9f5a8a42aab63","url":"https://exercism.org/tracks/elixir/exercises/isogram","handle":"negrienko","is_requester":true,"auto_approve":false} \ No newline at end of file diff --git a/elixir/isogram/.formatter.exs b/elixir/isogram/.formatter.exs new file mode 100644 index 0000000..d2cda26 --- /dev/null +++ b/elixir/isogram/.formatter.exs @@ -0,0 +1,4 @@ +# Used by "mix format" +[ + inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"] +] diff --git a/elixir/isogram/.gitignore b/elixir/isogram/.gitignore new file mode 100644 index 0000000..f655aa4 --- /dev/null +++ b/elixir/isogram/.gitignore @@ -0,0 +1,24 @@ +# The directory Mix will write compiled artifacts to. +/_build/ + +# If you run "mix test --cover", coverage assets end up here. +/cover/ + +# The directory Mix downloads your dependencies sources to. +/deps/ + +# Where third-party dependencies like ExDoc output generated docs. +/doc/ + +# Ignore .fetch files in case you like to edit your project deps locally. +/.fetch + +# If the VM crashes, it generates a dump, let's ignore it too. +erl_crash.dump + +# Also ignore archive artifacts (built via "mix archive.build"). +*.ez + +# Ignore package tarball (built via "mix hex.build"). +isogram-*.tar + diff --git a/elixir/isogram/HELP.md b/elixir/isogram/HELP.md new file mode 100644 index 0000000..c300c73 --- /dev/null +++ b/elixir/isogram/HELP.md @@ -0,0 +1,75 @@ +# Help + +## Running the tests + +From the terminal, change to the base directory of the exercise then execute the tests with: + +```bash +$ mix test +``` + +This will execute the test file found in the `test` subfolder -- a file ending in `_test.exs` + +Documentation: + +* [`mix test` - Elixir's test execution tool](https://hexdocs.pm/mix/Mix.Tasks.Test.html) +* [`ExUnit` - Elixir's unit test library](https://hexdocs.pm/ex_unit/ExUnit.html) + +## Pending tests + +In test suites of practice exercises, all but the first test have been tagged to be skipped. + +Once you get a test passing, you can unskip the next one by commenting out the relevant `@tag :pending` with a `#` symbol. + +For example: + +```elixir +# @tag :pending +test "shouting" do + assert Bob.hey("WATCH OUT!") == "Whoa, chill out!" +end +``` + +If you wish to run all tests at once, you can include all skipped test by using the `--include` flag on the `mix test` command: + +```bash +$ mix test --include pending +``` + +Or, you can enable all the tests by commenting out the `ExUnit.configure` line in the file `test/test_helper.exs`. + +```elixir +# ExUnit.configure(exclude: :pending, trace: true) +``` + +## Useful `mix test` options + +* `test/.exs:LINENUM` - runs only a single test, the test from `.exs` whose definition is on line `LINENUM` +* `--failed` - runs only tests that failed the last time they ran +* `--max-failures` - the suite stops evaluating tests when this number of test failures +is reached +* `--seed 0` - disables randomization so the tests in a single file will always be ran +in the same order they were defined in + +## Submitting your solution + +You can submit your solution using the `exercism submit lib/isogram.ex` 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 [Elixir track's documentation](https://exercism.org/docs/tracks/elixir) +- The [Elixir track's programming category on the forum](https://forum.exercism.org/c/programming/elixir) +- [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. + +If you're stuck on something, it may help to look at some of the [available resources](https://exercism.org/docs/tracks/elixir/resources) out there where answers might be found. \ No newline at end of file diff --git a/elixir/isogram/README.md b/elixir/isogram/README.md new file mode 100644 index 0000000..1b3bec2 --- /dev/null +++ b/elixir/isogram/README.md @@ -0,0 +1,40 @@ +# Isogram + +Welcome to Isogram on Exercism's Elixir Track. +If you need help running the tests or submitting your code, check out `HELP.md`. + +## Instructions + +Determine if a word or phrase is an isogram. + +An isogram (also known as a "non-pattern word") is a word or phrase without a repeating letter, however spaces and hyphens are allowed to appear multiple times. + +Examples of isograms: + +- lumberjacks +- background +- downstream +- six-year-old + +The word _isograms_, however, is not an isogram, because the s repeats. + +## Source + +### Created by + +- @jimmbraddock + +### Contributed to by + +- @angelikatyborska +- @awochna +- @Cohen-Carlisle +- @devonestes +- @lpil +- @neenjaw +- @parkerl +- @sotojuan + +### Based on + +Wikipedia - https://en.wikipedia.org/wiki/Isogram \ No newline at end of file diff --git a/elixir/isogram/lib/isogram.ex b/elixir/isogram/lib/isogram.ex new file mode 100644 index 0000000..24192cd --- /dev/null +++ b/elixir/isogram/lib/isogram.ex @@ -0,0 +1,9 @@ +defmodule Isogram do + @doc """ + Determines if a word or sentence is an isogram + """ + @isogram ~r/(\w).*\1/i + + @spec isogram?(String.t()) :: boolean + def isogram?(sentence), do: !Regex.match?(@isogram, String.downcase(sentence)) +end diff --git a/elixir/isogram/mix.exs b/elixir/isogram/mix.exs new file mode 100644 index 0000000..e0160fd --- /dev/null +++ b/elixir/isogram/mix.exs @@ -0,0 +1,28 @@ +defmodule Isogram.MixProject do + use Mix.Project + + def project do + [ + app: :isogram, + version: "0.1.0", + # elixir: "~> 1.8", + start_permanent: Mix.env() == :prod, + deps: deps() + ] + end + + # Run "mix help compile.app" to learn about applications. + def application do + [ + extra_applications: [:logger] + ] + end + + # Run "mix help deps" to learn about dependencies. + defp deps do + [ + # {:dep_from_hexpm, "~> 0.3.0"}, + # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"} + ] + end +end diff --git a/elixir/isogram/test/isogram_test.exs b/elixir/isogram/test/isogram_test.exs new file mode 100644 index 0000000..4f8d34d --- /dev/null +++ b/elixir/isogram/test/isogram_test.exs @@ -0,0 +1,59 @@ +defmodule IsogramTest do + use ExUnit.Case + + test "empty string" do + assert Isogram.isogram?("") + end + + test "isogram with only lower case characters" do + assert Isogram.isogram?("isogram") + end + + test "word with one duplicated character" do + refute Isogram.isogram?("eleven") + end + + test "word with one duplicated character from the end of the alphabet" do + refute Isogram.isogram?("zzyzx") + end + + test "longest reported english isogram" do + assert Isogram.isogram?("subdermatoglyphic") + end + + test "word with duplicated character in mixed case" do + refute Isogram.isogram?("Alphabet") + end + + test "word with duplicated character in mixed case, lowercase first" do + refute Isogram.isogram?("alphAbet") + end + + test "hypothetical isogrammic word with hyphen" do + assert Isogram.isogram?("thumbscrew-japingly") + end + + test "hypothetical word with duplicated character following hyphen" do + refute Isogram.isogram?("thumbscrew-jappingly") + end + + test "isogram with duplicated hyphen" do + assert Isogram.isogram?("six-year-old") + end + + test "made-up name that is an isogram" do + assert Isogram.isogram?("Emily Jung Schwartzkopf") + end + + test "duplicated character in the middle" do + refute Isogram.isogram?("accentor") + end + + test "same first and last characters" do + refute Isogram.isogram?("angola") + end + + test "word with duplicated character and with two hyphens" do + refute Isogram.isogram?("up-to-date") + end +end diff --git a/elixir/isogram/test/test_helper.exs b/elixir/isogram/test/test_helper.exs new file mode 100644 index 0000000..35fc5bf --- /dev/null +++ b/elixir/isogram/test/test_helper.exs @@ -0,0 +1,2 @@ +ExUnit.start() +ExUnit.configure(exclude: :pending, trace: true)