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{
"authors": [
"rubysolo"
],
"contributors": [
"andrewsardone",
"angelikatyborska",
"austinlyons",
"cbliard",
"Cohen-Carlisle",
"dalexj",
"devonestes",
"digitalronin",
"doncruse",
"etrepum",
"ghajba",
"kytrinyx",
"lpil",
"neenjaw",
"parkerl",
"pminten",
"rsslldnphy",
"seeflanigan",
"sotojuan",
"Teapane",
"tjcelaya",
"Tonkpils",
"victorpre",
"vladimir-tikhonov",
"waiting-for-dev"
],
"files": {
"solution": [
"lib/bob.ex"
],
"test": [
"test/bob_test.exs"
],
"example": [
".meta/example.ex"
]
},
"blurb": "Bob is a lackadaisical teenager. In conversation, his responses are very limited.",
"source": "Inspired by the 'Deaf Grandma' exercise in Chris Pine's Learn to Program tutorial.",
"source_url": "https://pine.fm/LearnToProgram/?Chapter=06"
}

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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"
[
inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
]

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elixir/bob/.gitignore vendored Normal file
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# 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").
bob-*.tar

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elixir/bob/HELP.md Normal file
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# 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/<FILE>.exs:LINENUM` - runs only a single test, the test from `<FILE>.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/bob.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.

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# Bob
Welcome to Bob on Exercism's Elixir Track.
If you need help running the tests or submitting your code, check out `HELP.md`.
## Introduction
Bob is a [lackadaisical][] teenager.
He likes to think that he's very cool.
And he definitely doesn't get excited about things.
That wouldn't be cool.
When people talk to him, his responses are pretty limited.
[lackadaisical]: https://www.collinsdictionary.com/dictionary/english/lackadaisical
## Instructions
Your task is to determine what Bob will reply to someone when they say something to him or ask him a question.
Bob only ever answers one of five things:
- **"Sure."**
This is his response if you ask him a question, such as "How are you?"
The convention used for questions is that it ends with a question mark.
- **"Whoa, chill out!"**
This is his answer if you YELL AT HIM.
The convention used for yelling is ALL CAPITAL LETTERS.
- **"Calm down, I know what I'm doing!"**
This is what he says if you yell a question at him.
- **"Fine. Be that way!"**
This is how he responds to silence.
The convention used for silence is nothing, or various combinations of whitespace characters.
- **"Whatever."**
This is what he answers to anything else.
## Source
### Created by
- @rubysolo
### Contributed to by
- @andrewsardone
- @angelikatyborska
- @austinlyons
- @cbliard
- @Cohen-Carlisle
- @dalexj
- @devonestes
- @digitalronin
- @doncruse
- @etrepum
- @ghajba
- @kytrinyx
- @lpil
- @neenjaw
- @parkerl
- @pminten
- @rsslldnphy
- @seeflanigan
- @sotojuan
- @Teapane
- @tjcelaya
- @Tonkpils
- @victorpre
- @vladimir-tikhonov
- @waiting-for-dev
### Based on
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
@spec hey(String.t()) :: String.t()
def hey(input) do
trimmed = String.trim(input)
is_yell? = String.upcase(trimmed) == trimmed and String.downcase(trimmed) != trimmed
is_question? = String.ends_with?(trimmed, "?")
is_silence? = trimmed == ""
cond do
is_silence? ->
"Fine. Be that way!"
is_yell? and is_question? ->
"Calm down, I know what I'm doing!"
is_question? ->
"Sure."
is_yell? ->
"Whoa, chill out!"
true ->
"Whatever."
end
end
end

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defmodule Bob.MixProject do
use Mix.Project
def project do
[
app: :bob,
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

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defmodule BobTest do
use ExUnit.Case
test "stating something" do
assert Bob.hey("Tom-ay-to, tom-aaaah-to.") == "Whatever."
end
# @tag :pending
test "shouting" do
assert Bob.hey("WATCH OUT!") == "Whoa, chill out!"
end
# @tag :pending
test "shouting gibberish" do
assert Bob.hey("FCECDFCAAB") == "Whoa, chill out!"
end
# @tag :pending
test "asking a question" do
assert Bob.hey("Does this cryogenic chamber make me look fat?") == "Sure."
end
# @tag :pending
test "asking a numeric question" do
assert Bob.hey("You are, what, like 15?") == "Sure."
end
# @tag :pending
test "asking gibberish" do
assert Bob.hey("fffbbcbeab?") == "Sure."
end
# @tag :pending
test "talking forcefully" do
assert Bob.hey("Hi there!") == "Whatever."
end
# @tag :pending
test "using acronyms in regular speech" do
assert Bob.hey("It's OK if you don't want to go to the DMV.") == "Whatever."
end
# @tag :pending
test "talking in capitals" do
assert Bob.hey("This Isn't Shouting!") == "Whatever."
end
# @tag :pending
test "forceful question" do
assert Bob.hey("WHAT'S GOING ON?") == "Calm down, I know what I'm doing!"
end
# @tag :pending
test "asking in capitals" do
assert Bob.hey("THIS ISN'T SHOUTING?") == "Calm down, I know what I'm doing!"
end
# @tag :pending
test "shouting numbers" do
assert Bob.hey("1, 2, 3 GO!") == "Whoa, chill out!"
end
# @tag :pending
test "shouting with special characters" do
assert Bob.hey("ZOMG THE %^*@#$(*^ ZOMBIES ARE COMING!!11!!1!") == "Whoa, chill out!"
end
# @tag :pending
test "shouting with no exclamation mark" do
assert Bob.hey("I HATE THE DENTIST") == "Whoa, chill out!"
end
# @tag :pending
test "statement containing question mark" do
assert Bob.hey("Ending with ? means a question.") == "Whatever."
end
# @tag :pending
test "silence" do
assert Bob.hey("") == "Fine. Be that way!"
end
# @tag :pending
test "prolonged silence" do
assert Bob.hey(" ") == "Fine. Be that way!"
end
# @tag :pending
test "alternate silence" do
assert Bob.hey("\t\t\t\t\t\t\t\t\t\t") == "Fine. Be that way!"
end
# @tag :pending
test "only numbers" do
assert Bob.hey("1, 2, 3") == "Whatever."
end
# @tag :pending
test "multiple line question" do
assert Bob.hey("\nDoes this cryogenic chamber make me look fat?\nNo.") == "Whatever."
end
# @tag :pending
test "question with numbers" do
assert Bob.hey("4?") == "Sure."
end
# @tag :pending
test "non-letters with question" do
assert Bob.hey(":) ?") == "Sure."
end
# @tag :pending
test "prattling on" do
assert Bob.hey("Wait! Hang on. Are you going to be OK?") == "Sure."
end
# @tag :pending
test "starting with whitespace" do
assert Bob.hey(" hmmmmmmm...") == "Whatever."
end
# @tag :pending
test "ending with whitespace" do
assert Bob.hey("Okay if like my spacebar quite a bit? ") == "Sure."
end
# @tag :pending
test "other whitespace" do
assert Bob.hey("\n\r \t") == "Fine. Be that way!"
end
# @tag :pending
test "non-question ending with whitespace" do
assert Bob.hey("This is a statement ending with whitespace ") == "Whatever."
end
# @tag :pending
test "shouting in Russian" do
assert Bob.hey("УХОДИ") == "Whoa, chill out!"
end
end

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ExUnit.start()
ExUnit.configure(exclude: :pending, trace: true)