bob
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parent
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{
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"authors": [
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"rubysolo"
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],
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"contributors": [
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"andrewsardone",
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"angelikatyborska",
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"austinlyons",
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"cbliard",
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"Cohen-Carlisle",
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"dalexj",
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"devonestes",
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"digitalronin",
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"doncruse",
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"etrepum",
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"ghajba",
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"kytrinyx",
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"lpil",
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"neenjaw",
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"parkerl",
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"pminten",
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"rsslldnphy",
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"seeflanigan",
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"sotojuan",
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"Teapane",
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"tjcelaya",
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"Tonkpils",
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"victorpre",
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"vladimir-tikhonov",
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"waiting-for-dev"
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],
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"files": {
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"solution": [
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"lib/bob.ex"
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],
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"test": [
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"test/bob_test.exs"
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],
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"example": [
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".meta/example.ex"
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]
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},
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"blurb": "Bob is a lackadaisical teenager. In conversation, his responses are very limited.",
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"source": "Inspired by the 'Deaf Grandma' exercise in Chris Pine's Learn to Program tutorial.",
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"source_url": "https://pine.fm/LearnToProgram/?Chapter=06"
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}
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{"track":"elixir","exercise":"bob","id":"7c75c2cb7c6d4f808ec6412bbc842f86","url":"https://exercism.org/tracks/elixir/exercises/bob","handle":"negrienko","is_requester":true,"auto_approve":false}
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# Used by "mix format"
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[
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inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
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]
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# The directory Mix will write compiled artifacts to.
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/_build/
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# If you run "mix test --cover", coverage assets end up here.
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/cover/
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# The directory Mix downloads your dependencies sources to.
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/deps/
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# Where third-party dependencies like ExDoc output generated docs.
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/doc/
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# Ignore .fetch files in case you like to edit your project deps locally.
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/.fetch
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# If the VM crashes, it generates a dump, let's ignore it too.
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erl_crash.dump
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# Also ignore archive artifacts (built via "mix archive.build").
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*.ez
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# Ignore package tarball (built via "mix hex.build").
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bob-*.tar
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# Help
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## Running the tests
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From the terminal, change to the base directory of the exercise then execute the tests with:
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```bash
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$ mix test
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```
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This will execute the test file found in the `test` subfolder -- a file ending in `_test.exs`
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Documentation:
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* [`mix test` - Elixir's test execution tool](https://hexdocs.pm/mix/Mix.Tasks.Test.html)
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* [`ExUnit` - Elixir's unit test library](https://hexdocs.pm/ex_unit/ExUnit.html)
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## Pending tests
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In test suites of practice exercises, all but the first test have been tagged to be skipped.
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Once you get a test passing, you can unskip the next one by commenting out the relevant `@tag :pending` with a `#` symbol.
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For example:
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```elixir
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# @tag :pending
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test "shouting" do
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assert Bob.hey("WATCH OUT!") == "Whoa, chill out!"
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end
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```
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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:
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```bash
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$ mix test --include pending
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```
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Or, you can enable all the tests by commenting out the `ExUnit.configure` line in the file `test/test_helper.exs`.
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```elixir
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# ExUnit.configure(exclude: :pending, trace: true)
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```
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## Useful `mix test` options
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* `test/<FILE>.exs:LINENUM` - runs only a single test, the test from `<FILE>.exs` whose definition is on line `LINENUM`
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* `--failed` - runs only tests that failed the last time they ran
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* `--max-failures` - the suite stops evaluating tests when this number of test failures
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is reached
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* `--seed 0` - disables randomization so the tests in a single file will always be ran
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in the same order they were defined in
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## Submitting your solution
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You can submit your solution using the `exercism submit lib/bob.ex` command.
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This command will upload your solution to the Exercism website and print the solution page's URL.
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It's possible to submit an incomplete solution which allows you to:
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- See how others have completed the exercise
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- Request help from a mentor
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## Need to get help?
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If you'd like help solving the exercise, check the following pages:
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- The [Elixir track's documentation](https://exercism.org/docs/tracks/elixir)
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- The [Elixir track's programming category on the forum](https://forum.exercism.org/c/programming/elixir)
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- [Exercism's programming category on the forum](https://forum.exercism.org/c/programming/5)
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- The [Frequently Asked Questions](https://exercism.org/docs/using/faqs)
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Should those resources not suffice, you could submit your (incomplete) solution to request mentoring.
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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.
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# Bob
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Welcome to Bob on Exercism's Elixir Track.
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If you need help running the tests or submitting your code, check out `HELP.md`.
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## Introduction
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Bob is a [lackadaisical][] teenager.
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He likes to think that he's very cool.
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And he definitely doesn't get excited about things.
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That wouldn't be cool.
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When people talk to him, his responses are pretty limited.
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[lackadaisical]: https://www.collinsdictionary.com/dictionary/english/lackadaisical
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## Instructions
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Your task is to determine what Bob will reply to someone when they say something to him or ask him a question.
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Bob only ever answers one of five things:
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- **"Sure."**
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This is his response if you ask him a question, such as "How are you?"
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The convention used for questions is that it ends with a question mark.
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- **"Whoa, chill out!"**
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This is his answer if you YELL AT HIM.
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The convention used for yelling is ALL CAPITAL LETTERS.
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- **"Calm down, I know what I'm doing!"**
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This is what he says if you yell a question at him.
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- **"Fine. Be that way!"**
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This is how he responds to silence.
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The convention used for silence is nothing, or various combinations of whitespace characters.
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- **"Whatever."**
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This is what he answers to anything else.
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## Source
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### Created by
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- @rubysolo
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### Contributed to by
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- @andrewsardone
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- @angelikatyborska
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- @austinlyons
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- @cbliard
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- @Cohen-Carlisle
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- @dalexj
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- @devonestes
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- @digitalronin
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- @doncruse
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- @etrepum
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- @ghajba
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- @kytrinyx
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- @lpil
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- @neenjaw
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- @parkerl
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- @pminten
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- @rsslldnphy
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- @seeflanigan
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- @sotojuan
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- @Teapane
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- @tjcelaya
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- @Tonkpils
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- @victorpre
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- @vladimir-tikhonov
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- @waiting-for-dev
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### Based on
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Inspired by the 'Deaf Grandma' exercise in Chris Pine's Learn to Program tutorial. - https://pine.fm/LearnToProgram/?Chapter=06
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defmodule Bob do
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@spec hey(String.t()) :: String.t()
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def hey(input) do
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trimmed = String.trim(input)
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is_yell? = String.upcase(trimmed) == trimmed and String.downcase(trimmed) != trimmed
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is_question? = String.ends_with?(trimmed, "?")
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is_silence? = trimmed == ""
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cond do
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is_silence? ->
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"Fine. Be that way!"
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is_yell? and is_question? ->
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"Calm down, I know what I'm doing!"
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is_question? ->
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"Sure."
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is_yell? ->
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"Whoa, chill out!"
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true ->
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"Whatever."
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end
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end
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end
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defmodule Bob.MixProject do
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use Mix.Project
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def project do
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[
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app: :bob,
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version: "0.1.0",
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# elixir: "~> 1.8",
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start_permanent: Mix.env() == :prod,
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deps: deps()
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]
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end
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# Run "mix help compile.app" to learn about applications.
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def application do
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[
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extra_applications: [:logger]
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]
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end
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# Run "mix help deps" to learn about dependencies.
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defp deps do
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[
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# {:dep_from_hexpm, "~> 0.3.0"},
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# {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"}
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]
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end
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end
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defmodule BobTest do
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use ExUnit.Case
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test "stating something" do
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assert Bob.hey("Tom-ay-to, tom-aaaah-to.") == "Whatever."
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end
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# @tag :pending
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test "shouting" do
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assert Bob.hey("WATCH OUT!") == "Whoa, chill out!"
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end
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# @tag :pending
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test "shouting gibberish" do
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assert Bob.hey("FCECDFCAAB") == "Whoa, chill out!"
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end
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# @tag :pending
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test "asking a question" do
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assert Bob.hey("Does this cryogenic chamber make me look fat?") == "Sure."
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end
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# @tag :pending
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test "asking a numeric question" do
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assert Bob.hey("You are, what, like 15?") == "Sure."
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end
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# @tag :pending
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test "asking gibberish" do
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assert Bob.hey("fffbbcbeab?") == "Sure."
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end
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# @tag :pending
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test "talking forcefully" do
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assert Bob.hey("Hi there!") == "Whatever."
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end
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# @tag :pending
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test "using acronyms in regular speech" do
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assert Bob.hey("It's OK if you don't want to go to the DMV.") == "Whatever."
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end
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# @tag :pending
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test "talking in capitals" do
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assert Bob.hey("This Isn't Shouting!") == "Whatever."
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end
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# @tag :pending
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test "forceful question" do
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assert Bob.hey("WHAT'S GOING ON?") == "Calm down, I know what I'm doing!"
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end
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# @tag :pending
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test "asking in capitals" do
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assert Bob.hey("THIS ISN'T SHOUTING?") == "Calm down, I know what I'm doing!"
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end
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# @tag :pending
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test "shouting numbers" do
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assert Bob.hey("1, 2, 3 GO!") == "Whoa, chill out!"
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end
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# @tag :pending
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test "shouting with special characters" do
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assert Bob.hey("ZOMG THE %^*@#$(*^ ZOMBIES ARE COMING!!11!!1!") == "Whoa, chill out!"
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end
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# @tag :pending
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test "shouting with no exclamation mark" do
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assert Bob.hey("I HATE THE DENTIST") == "Whoa, chill out!"
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end
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# @tag :pending
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test "statement containing question mark" do
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assert Bob.hey("Ending with ? means a question.") == "Whatever."
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end
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# @tag :pending
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test "silence" do
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assert Bob.hey("") == "Fine. Be that way!"
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end
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# @tag :pending
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test "prolonged silence" do
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assert Bob.hey(" ") == "Fine. Be that way!"
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end
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# @tag :pending
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test "alternate silence" do
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assert Bob.hey("\t\t\t\t\t\t\t\t\t\t") == "Fine. Be that way!"
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end
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# @tag :pending
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test "only numbers" do
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assert Bob.hey("1, 2, 3") == "Whatever."
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end
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# @tag :pending
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test "multiple line question" do
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assert Bob.hey("\nDoes this cryogenic chamber make me look fat?\nNo.") == "Whatever."
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end
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# @tag :pending
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test "question with numbers" do
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assert Bob.hey("4?") == "Sure."
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end
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# @tag :pending
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test "non-letters with question" do
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assert Bob.hey(":) ?") == "Sure."
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end
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# @tag :pending
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test "prattling on" do
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assert Bob.hey("Wait! Hang on. Are you going to be OK?") == "Sure."
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end
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# @tag :pending
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test "starting with whitespace" do
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assert Bob.hey(" hmmmmmmm...") == "Whatever."
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end
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# @tag :pending
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test "ending with whitespace" do
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assert Bob.hey("Okay if like my spacebar quite a bit? ") == "Sure."
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end
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# @tag :pending
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test "other whitespace" do
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assert Bob.hey("\n\r \t") == "Fine. Be that way!"
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end
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# @tag :pending
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test "non-question ending with whitespace" do
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assert Bob.hey("This is a statement ending with whitespace ") == "Whatever."
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end
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# @tag :pending
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test "shouting in Russian" do
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assert Bob.hey("УХОДИ") == "Whoa, chill out!"
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end
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end
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@ -0,0 +1,2 @@
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ExUnit.start()
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ExUnit.configure(exclude: :pending, trace: true)
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Loading…
Reference in New Issue