diff --git a/config.json b/config.json index c89b1eb6..96fde2f2 100644 --- a/config.json +++ b/config.json @@ -470,6 +470,14 @@ "practices": [], "prerequisites": [], "difficulty": 2 + }, + { + "slug": "pangram", + "name": "Pangram", + "uuid": "b008c134-7cf2-4836-bf5b-018a89a82a5e", + "practices": [], + "prerequisites": [], + "difficulty": 2 } ] }, diff --git a/exercises/practice/pangram/.docs/instructions.md b/exercises/practice/pangram/.docs/instructions.md new file mode 100644 index 00000000..817c872d --- /dev/null +++ b/exercises/practice/pangram/.docs/instructions.md @@ -0,0 +1,8 @@ +# 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. diff --git a/exercises/practice/pangram/.docs/introduction.md b/exercises/practice/pangram/.docs/introduction.md new file mode 100644 index 00000000..32b6f1fc --- /dev/null +++ b/exercises/practice/pangram/.docs/introduction.md @@ -0,0 +1,16 @@ +# 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. +~~~~ diff --git a/exercises/practice/pangram/.meta/config.json b/exercises/practice/pangram/.meta/config.json new file mode 100644 index 00000000..6df700b1 --- /dev/null +++ b/exercises/practice/pangram/.meta/config.json @@ -0,0 +1,19 @@ +{ + "authors": [ + "BNAndras" + ], + "files": { + "solution": [ + "pangram.coffee" + ], + "test": [ + "pangram.spec.coffee" + ], + "example": [ + ".meta/example.coffee" + ] + }, + "blurb": "Determine if a sentence is a pangram.", + "source": "Wikipedia", + "source_url": "https://en.wikipedia.org/wiki/Pangram" +} diff --git a/exercises/practice/pangram/.meta/example.coffee b/exercises/practice/pangram/.meta/example.coffee new file mode 100644 index 00000000..8ef3e00e --- /dev/null +++ b/exercises/practice/pangram/.meta/example.coffee @@ -0,0 +1,6 @@ +class Pangram + @isPangram: (sentence) -> + letters = new Set(sentence.replace(/[^a-z]+/gi, '').toLowerCase().split "") + letters.size == 26 + +module.exports = Pangram diff --git a/exercises/practice/pangram/.meta/tests.toml b/exercises/practice/pangram/.meta/tests.toml new file mode 100644 index 00000000..10b5a335 --- /dev/null +++ b/exercises/practice/pangram/.meta/tests.toml @@ -0,0 +1,45 @@ +# This is an auto-generated file. +# +# Regenerating this file via `configlet sync` will: +# - Recreate every `description` key/value pair +# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications +# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion) +# - Preserve any other key/value pair +# +# As user-added comments (using the # character) will be removed when this file +# is regenerated, comments can be added via a `comment` key. + +[64f61791-508e-4f5c-83ab-05de042b0149] +description = "empty sentence" + +[74858f80-4a4d-478b-8a5e-c6477e4e4e84] +description = "perfect lower case" + +[61288860-35ca-4abe-ba08-f5df76ecbdcd] +description = "only lower case" + +[6564267d-8ac5-4d29-baf2-e7d2e304a743] +description = "missing the letter 'x'" + +[c79af1be-d715-4cdb-a5f2-b2fa3e7e0de0] +description = "missing the letter 'h'" + +[d835ec38-bc8f-48e4-9e36-eb232427b1df] +description = "with underscores" + +[8cc1e080-a178-4494-b4b3-06982c9be2a8] +description = "with numbers" + +[bed96b1c-ff95-45b8-9731-fdbdcb6ede9a] +description = "missing letters replaced by numbers" + +[938bd5d8-ade5-40e2-a2d9-55a338a01030] +description = "mixed case and punctuation" + +[2577bf54-83c8-402d-a64b-a2c0f7bb213a] +description = "case insensitive" +include = false + +[7138e389-83e4-4c6e-8413-1e40a0076951] +description = "a-m and A-M are 26 different characters but not a pangram" +reimplements = "2577bf54-83c8-402d-a64b-a2c0f7bb213a" diff --git a/exercises/practice/pangram/pangram.coffee b/exercises/practice/pangram/pangram.coffee new file mode 100644 index 00000000..2b37c4e5 --- /dev/null +++ b/exercises/practice/pangram/pangram.coffee @@ -0,0 +1,4 @@ +class Pangram + @isPangram: (sentence) -> + +module.exports = Pangram diff --git a/exercises/practice/pangram/pangram.spec.coffee b/exercises/practice/pangram/pangram.spec.coffee new file mode 100644 index 00000000..5c0c3561 --- /dev/null +++ b/exercises/practice/pangram/pangram.spec.coffee @@ -0,0 +1,42 @@ +Pangram = require './pangram' + +describe 'Pangram', -> + it 'empty sentence', -> + sentence = '' + expect(Pangram.isPangram sentence).toBe(false) + + xit 'perfect lower case', -> + sentence = 'abcdefghijklmnopqrstuvwxyz' + expect(Pangram.isPangram sentence).toBe(true) + + xit 'only lower case', -> + sentence = 'the quick brown fox jumps over the lazy dog' + expect(Pangram.isPangram sentence).toBe(true) + + xit "missing the letter 'x'", -> + sentence = 'a quick movement of the enemy will jeopardize five gunboats' + expect(Pangram.isPangram sentence).toBe(false) + + xit "missing the letter 'h'", -> + sentence = 'five boxing wizards jump quickly at it' + expect(Pangram.isPangram sentence).toBe(false) + + xit 'with underscores', -> + sentence = 'the_quick_brown_fox_jumps_over_the_lazy_dog' + expect(Pangram.isPangram sentence).toBe(true) + + xit 'with numbers', -> + sentence = 'the 1 quick brown fox jumps over the 2 lazy dogs' + expect(Pangram.isPangram sentence).toBe(true) + + xit 'missing letters replaced by numbers', -> + sentence = '7h3 qu1ck brown fox jumps ov3r 7h3 lazy dog' + expect(Pangram.isPangram sentence).toBe(false) + + xit 'mixed case and punctuation', -> + sentence = '"Five quacking Zephyrs jolt my wax bed."' + expect(Pangram.isPangram sentence).toBe(true) + + xit 'a-m and A-M are 26 different characters but not a pangram', -> + sentence = 'abcdefghijklm ABCDEFGHIJKLM' + expect(Pangram.isPangram sentence).toBe(false)