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Go - Pangram Done

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Brian Buller
2016-11-26 22:10:28 -06:00
parent 8ff43f2212
commit 4e2f6c22b4
3 changed files with 146 additions and 0 deletions
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go/pangram/pangram.go Normal file
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package pangram
import "strings"
const testVersion = 1
func IsPangram(inp string) bool {
used := make(map[rune]int)
inp = strings.ToLower(inp)
for _, l := range inp {
used[l] = used[l] + 1
}
for i := 'a'; i <= 'z'; i++ {
if used[i] == 0 {
return false
}
}
return true
}

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go/twelve-days/README.md Normal file
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# Twelve Days
Write a program that outputs the lyrics to 'The Twelve Days of Christmas'
```ruby
On the first day of Christmas my true love gave to me, a Partridge in a Pear Tree.
On the second day of Christmas my true love gave to me, two Turtle Doves, and a Partridge in a Pear Tree.
On the third day of Christmas my true love gave to me, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
On the fourth day of Christmas my true love gave to me, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
On the fifth day of Christmas my true love gave to me, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
On the sixth day of Christmas my true love gave to me, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
On the seventh day of Christmas my true love gave to me, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
On the eighth day of Christmas my true love gave to me, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
On the ninth day of Christmas my true love gave to me, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
On the tenth day of Christmas my true love gave to me, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
On the eleventh day of Christmas my true love gave to me, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
On the twelfth day of Christmas my true love gave to me, twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.
```
To run the tests simply run the command `go test` in the exercise directory.
If the test suite contains benchmarks, you can run these with the `-bench`
flag:
go test -bench .
For more detailed info about the Go track see the [help
page](http://exercism.io/languages/go).
## Source
Wikipedia [http://en.wikipedia.org/wiki/The_Twelve_Days_of_Christmas_(song)](http://en.wikipedia.org/wiki/The_Twelve_Days_of_Christmas_(song))
## Submitting Incomplete Problems
It's possible to submit an incomplete solution so you can see how others have completed the exercise.

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go/twelve-days/twelve_days_test.go Normal file
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package twelve
import (
"fmt"
"strings"
"testing"
)
const targetTestVersion = 1
type testCase struct {
input int
expected string
}
var testCases = []testCase{
{1, "On the first day of Christmas my true love gave to me, a Partridge in a Pear Tree."},
{2, "On the second day of Christmas my true love gave to me, two Turtle Doves, and a Partridge in a Pear Tree."},
{3, "On the third day of Christmas my true love gave to me, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
{4, "On the fourth day of Christmas my true love gave to me, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
{5, "On the fifth day of Christmas my true love gave to me, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
{6, "On the sixth day of Christmas my true love gave to me, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
{7, "On the seventh day of Christmas my true love gave to me, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
{8, "On the eighth day of Christmas my true love gave to me, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
{9, "On the ninth day of Christmas my true love gave to me, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
{10, "On the tenth day of Christmas my true love gave to me, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
{11, "On the eleventh day of Christmas my true love gave to me, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
{12, "On the twelfth day of Christmas my true love gave to me, twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree."},
}
// diff compares two multi-line strings and returns a helpful comment
func diff(got, want string) string {
g := strings.Split(got, "\n")
w := strings.Split(want, "\n")
for i := 0; ; i++ {
switch {
case i < len(g) && i < len(w):
if g[i] == w[i] {
continue
}
return fmt.Sprintf("-- first difference in line %d:\n"+
"-- got : %q\n-- want: %q\n", i+1, g[i], w[i])
case i < len(g):
return fmt.Sprintf("-- got %d extra lines after line %d:\n"+
"-- first extra line: %q\n", len(g)-len(w), i, g[i])
case i < len(w):
return fmt.Sprintf("-- got %d correct lines, want %d more lines:\n"+
"-- want next: %q\n", i, len(w)-i, w[i])
default:
return "no differences found"
}
}
}
func TestSong(t *testing.T) {
var expected = ""
for _, test := range testCases {
expected += test.expected + "\n"
}
actual := Song()
if expected != actual {
t.Fatalf("Song() =\n%s\n want:\n%s\n%s", actual, expected, diff(actual, expected))
}
}
func TestVerse(t *testing.T) {
for _, test := range testCases {
actual := Verse(test.input)
if actual != test.expected {
t.Errorf("Twelve Days test [%d], expected [%s], actual [%s]", test.input, test.expected, actual)
}
}
}
func TestTestVersion(t *testing.T) {
if testVersion != targetTestVersion {
t.Errorf("Found testVersion = %v, want %v.", testVersion, targetTestVersion)
}
}