pangram
This commit is contained in:
parent
140299f646
commit
79c17a8c59
|
@ -0,0 +1,28 @@
|
|||
{
|
||||
"authors": [
|
||||
"tejasbubane"
|
||||
],
|
||||
"contributors": [
|
||||
"angelikatyborska",
|
||||
"Cohen-Carlisle",
|
||||
"devonestes",
|
||||
"lpil",
|
||||
"neenjaw",
|
||||
"parkerl",
|
||||
"sotojuan"
|
||||
],
|
||||
"files": {
|
||||
"solution": [
|
||||
"lib/pangram.ex"
|
||||
],
|
||||
"test": [
|
||||
"test/pangram_test.exs"
|
||||
],
|
||||
"example": [
|
||||
".meta/example.ex"
|
||||
]
|
||||
},
|
||||
"blurb": "Determine if a sentence is a pangram.",
|
||||
"source": "Wikipedia",
|
||||
"source_url": "https://en.wikipedia.org/wiki/Pangram"
|
||||
}
|
|
@ -0,0 +1 @@
|
|||
{"track":"elixir","exercise":"pangram","id":"67a81725638b43a6990b5de0007cd9d1","url":"https://exercism.org/tracks/elixir/exercises/pangram","handle":"negrienko","is_requester":true,"auto_approve":false}
|
|
@ -0,0 +1,4 @@
|
|||
# Used by "mix format"
|
||||
[
|
||||
inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
|
||||
]
|
|
@ -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").
|
||||
pangram-*.tar
|
||||
|
|
@ -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/<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/pangram.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.
|
|
@ -0,0 +1,50 @@
|
|||
# Pangram
|
||||
|
||||
Welcome to Pangram on Exercism's Elixir Track.
|
||||
If you need help running the tests or submitting your code, check out `HELP.md`.
|
||||
|
||||
## Introduction
|
||||
|
||||
You work for a company that sells fonts through their website.
|
||||
They'd like to show a different sentence each time someone views a font on their website.
|
||||
To give a comprehensive sense of the font, the random sentences should use **all** the letters in the English alphabet.
|
||||
|
||||
They're running a competition to get suggestions for sentences that they can use.
|
||||
You're in charge of checking the submissions to see if they are valid.
|
||||
|
||||
~~~~exercism/note
|
||||
Pangram comes from Greek, παν γράμμα, pan gramma, which means "every letter".
|
||||
|
||||
The best known English pangram is:
|
||||
|
||||
> The quick brown fox jumps over the lazy dog.
|
||||
~~~~
|
||||
|
||||
## Instructions
|
||||
|
||||
Your task is to figure out if a sentence is a pangram.
|
||||
|
||||
A pangram is a sentence using every letter of the alphabet at least once.
|
||||
It is case insensitive, so it doesn't matter if a letter is lower-case (e.g. `k`) or upper-case (e.g. `K`).
|
||||
|
||||
For this exercise, a sentence is a pangram if it contains each of the 26 letters in the English alphabet.
|
||||
|
||||
## Source
|
||||
|
||||
### Created by
|
||||
|
||||
- @tejasbubane
|
||||
|
||||
### Contributed to by
|
||||
|
||||
- @angelikatyborska
|
||||
- @Cohen-Carlisle
|
||||
- @devonestes
|
||||
- @lpil
|
||||
- @neenjaw
|
||||
- @parkerl
|
||||
- @sotojuan
|
||||
|
||||
### Based on
|
||||
|
||||
Wikipedia - https://en.wikipedia.org/wiki/Pangram
|
|
@ -0,0 +1,26 @@
|
|||
defmodule Pangram do
|
||||
@doc """
|
||||
Determines if a word or sentence is a pangram.
|
||||
A pangram is a sentence using every letter of the alphabet at least once.
|
||||
|
||||
Returns a boolean.
|
||||
|
||||
## Examples
|
||||
|
||||
iex> Pangram.pangram?("the quick brown fox jumps over the lazy dog")
|
||||
true
|
||||
|
||||
"""
|
||||
|
||||
@alphabet Enum.to_list(?A..?Z)
|
||||
|
||||
@spec pangram?(String.t()) :: boolean
|
||||
def pangram?(sentence) do
|
||||
letters =
|
||||
sentence
|
||||
|> String.upcase()
|
||||
|> String.to_charlist()
|
||||
|
||||
@alphabet -- letters == []
|
||||
end
|
||||
end
|
|
@ -0,0 +1,28 @@
|
|||
defmodule Pangram.MixProject do
|
||||
use Mix.Project
|
||||
|
||||
def project do
|
||||
[
|
||||
app: :pangram,
|
||||
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
|
|
@ -0,0 +1,62 @@
|
|||
defmodule PangramTest do
|
||||
use ExUnit.Case
|
||||
|
||||
# @tag :pending
|
||||
test "empty sentence" do
|
||||
refute Pangram.pangram?("")
|
||||
end
|
||||
|
||||
test "prefect lower case" do
|
||||
assert Pangram.pangram?("abcdefghijklmnopqrstuvwxyz")
|
||||
end
|
||||
|
||||
test "pangram with only lower case" do
|
||||
assert Pangram.pangram?("the quick brown fox jumps over the lazy dog")
|
||||
end
|
||||
|
||||
test "missing character 'x'" do
|
||||
refute Pangram.pangram?("a quick movement of the enemy will jeopardize five gunboats")
|
||||
end
|
||||
|
||||
test "another missing character 'x'" do
|
||||
refute Pangram.pangram?("the quick brown fish jumps over the lazy dog")
|
||||
end
|
||||
|
||||
test "missing character 'h'" do
|
||||
refute Pangram.pangram?("five boxing wizards jump quickly at it")
|
||||
end
|
||||
|
||||
test "pangram with underscores" do
|
||||
assert Pangram.pangram?("the_quick_brown_fox_jumps_over_the_lazy_dog")
|
||||
end
|
||||
|
||||
test "pangram with numbers" do
|
||||
assert Pangram.pangram?("the 1 quick brown fox jumps over the 2 lazy dogs")
|
||||
end
|
||||
|
||||
test "missing letters replaced by numbers" do
|
||||
refute Pangram.pangram?("7h3 qu1ck brown fox jumps ov3r 7h3 lazy dog")
|
||||
end
|
||||
|
||||
test "pangram with mixed case and punctuation" do
|
||||
assert Pangram.pangram?("\"Five quacking Zephyrs jolt my wax bed.\"")
|
||||
end
|
||||
|
||||
test "case insensitive" do
|
||||
assert Pangram.pangram?("the quick brown fox jumps over the lazy DOG")
|
||||
end
|
||||
|
||||
test "a-m and A-M are 26 different characters but not a pangram" do
|
||||
refute Pangram.pangram?("abcdefghijklm ABCDEFGHIJKLM")
|
||||
end
|
||||
|
||||
test "pangram with non ascii characters" do
|
||||
assert Pangram.pangram?("Victor jagt zwölf Boxkämpfer quer über den großen Sylter Deich.")
|
||||
end
|
||||
|
||||
test "pangram in alphabet other than ASCII" do
|
||||
refute Pangram.pangram?(
|
||||
"Широкая электрификация южных губерний даст мощный толчок подъёму сельского хозяйства."
|
||||
)
|
||||
end
|
||||
end
|
|
@ -0,0 +1,2 @@
|
|||
ExUnit.start()
|
||||
ExUnit.configure(exclude: :pending, trace: true)
|
Loading…
Reference in New Issue