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hokita / 課題3-1 #19
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54 changes: 54 additions & 0 deletions
kadai3-1/hokita/README.md
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| # 課題3-1 タイピングゲームを作ろう | ||
|
|
||
| ## 課題内容 | ||
| - 標準出力に英単語を出す(出すものは自由) | ||
| - 標準入力から1行受け取る | ||
| - 制限時間内に何問解けたか表示する | ||
|
|
||
| ### ヒント | ||
| - 制限時間にはtime.After関数を用いる | ||
| - context.WithTimeoutでもよい | ||
| - select構文を用いる | ||
| - 制限時間と入力を同時に待つ | ||
|
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||
| ## 動作 | ||
| ```shell | ||
| $ go build | ||
|
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| $ go build -o typing | ||
|
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| $ ./typing | ||
| ddd | ||
| >ddd | ||
| Good! | ||
|
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||
| aaa | ||
| >aab | ||
| Bad.. | ||
|
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| aaa | ||
| >aaa | ||
| Good! | ||
|
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| bbb | ||
| > | ||
| ------ | ||
| Finish!! | ||
| Result: 2 points | ||
| ``` | ||
|
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| ## カバレッジ | ||
| ```shell | ||
| $ go test -coverprofile=profile github.com/gopherdojo/dojo8/kadai3-1/hokita/typing | ||
| ok github.com/gopherdojo/dojo8/kadai3-1/hokita/typing 0.046s coverage: 46.7% of statements | ||
| ``` | ||
| (低い。。) | ||
|
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||
| ## 工夫したこと | ||
| - 入力は「【TRY】チャンネルを使ってみよう」を参考に作成 | ||
| - 過去のgopherdojoのレビューコメントを確認してscanner.Scan()のエラー処理を書いた。 | ||
|
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||
| ## わからなかったこと、むずかしかったこと | ||
| - `run()`関数の良いテスト方法が思いつかなかった。 | ||
| - `input()`のようにテストしやすい単位でメソッドとして外だしをしたかったがこちらも思いつかなったか。 | ||
| - エラーハンドリングが合っているか自信がない。 |
3 changes: 3 additions & 0 deletions
kadai3-1/hokita/go.mod
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| module github.com/gopherdojo/dojo8/kadai3-1/hokita/typing | ||
|
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| go 1.14 |
105 changes: 105 additions & 0 deletions
kadai3-1/hokita/main.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package main | ||
|
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||
| import ( | ||
| "bufio" | ||
| "fmt" | ||
| "io" | ||
| "math/rand" | ||
| "os" | ||
| "time" | ||
| ) | ||
|
|
||
| const ( | ||
| ExitCodeOK = 0 | ||
| ExitCodeError = 1 | ||
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| timelimit = 10 | ||
| filePath = "words.txt" | ||
| ) | ||
|
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| func main() { | ||
| rand.Seed(time.Now().UnixNano()) | ||
| exitCode := run() | ||
| os.Exit(exitCode) | ||
| } | ||
|
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| func run() int { | ||
| in, errc := input(os.Stdin) | ||
| timelimit := time.After(timelimit * time.Second) | ||
|
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| words, err := importWords(filePath) | ||
| if err != nil { | ||
| fmt.Fprintln(os.Stderr, err) | ||
| return ExitCodeError | ||
| } | ||
|
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| typing := newTyping(words) | ||
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| for { | ||
| fmt.Println(typing.word) | ||
| fmt.Print(">") | ||
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| select { | ||
| case word := <-in: | ||
| if typing.check(word) { | ||
| fmt.Println("Good!") | ||
| fmt.Println() | ||
| } else { | ||
| fmt.Println("Bad..") | ||
| fmt.Println() | ||
| } | ||
| typing.shuffle() | ||
| case err := <-errc: | ||
| fmt.Println() | ||
| fmt.Fprintln(os.Stderr, err) | ||
| return ExitCodeError | ||
| case <-timelimit: | ||
| fmt.Println() | ||
| fmt.Println("------") | ||
| fmt.Println("Finish!!") | ||
| fmt.Printf("Result: %d points\n", typing.getPoint()) | ||
| return ExitCodeOK | ||
| } | ||
| } | ||
| } | ||
|
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| func input(r io.Reader) (<-chan string, <-chan error) { | ||
| // チャネルを作る | ||
| result := make(chan string) | ||
| errc := make(chan error) | ||
|
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| go func() { | ||
| s := bufio.NewScanner(r) | ||
| for s.Scan() { | ||
| // チャネルに読み込んだ文字列を送る | ||
| result <- s.Text() | ||
| } | ||
| if err := s.Err(); err != nil { | ||
| errc <- err | ||
| } | ||
| // チャネルを閉じる | ||
| close(result) | ||
| }() | ||
| // チャネルを返す | ||
| return result, errc | ||
| } | ||
|
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| // cf. https://qiita.com/jpshadowapps/items/ae7274ec0d40882d76b5 | ||
| func importWords(filePath string) ([]string, error) { | ||
| f, err := os.Open(filePath) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer f.Close() | ||
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| lines := make([]string, 0, 10) | ||
| scanner := bufio.NewScanner(f) | ||
| for scanner.Scan() { | ||
| lines = append(lines, scanner.Text()) | ||
| } | ||
| if serr := scanner.Err(); serr != nil { | ||
| return nil, err | ||
| } | ||
|
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| return lines, nil | ||
| } |
66 changes: 66 additions & 0 deletions
kadai3-1/hokita/main_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package main | ||
|
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||
| import ( | ||
| "bytes" | ||
| "path/filepath" | ||
| "reflect" | ||
| "testing" | ||
| ) | ||
|
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| func TestInput(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| in string | ||
| want string | ||
| }{ | ||
| { | ||
| name: "match input channel", | ||
| in: "hoge", | ||
| want: "hoge", | ||
| }, | ||
| } | ||
|
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| for _, test := range tests { | ||
| t.Run(test.name, func(t *testing.T) { | ||
| stdin := bytes.NewBufferString(test.in) | ||
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| inc, _ := input(stdin) | ||
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| select { | ||
| case in := <-inc: | ||
| if in != test.want { | ||
| t.Errorf(`want="%v" actual="%v"`, test.want, in) | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
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| func TestImportWords(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| filepath string | ||
| want []string | ||
| }{ | ||
| { | ||
| name: "import testfile1", | ||
| filepath: filepath.Join("testdata", "words1.txt"), | ||
| want: []string{"gopher", "golang", "goroutines"}, | ||
| }, | ||
| { | ||
| name: "import testfile2", | ||
| filepath: filepath.Join("testdata", "words2.txt"), | ||
| want: []string{"java", "php", "erlang", "elixir"}, | ||
| }, | ||
| } | ||
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| for _, test := range tests { | ||
| t.Run(test.name, func(t *testing.T) { | ||
| got, _ := importWords(test.filepath) | ||
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| if !reflect.DeepEqual(got, test.want) { | ||
| t.Errorf(`filepath="%v" want="%v" actual="%v"`, test.filepath, test.want, got) | ||
| } | ||
| }) | ||
| } | ||
| } |
33 changes: 33 additions & 0 deletions
kadai3-1/hokita/profile
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| mode: set | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:20.13,24.2 3 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:26.16,31.16 4 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:36.2,38.6 2 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:31.16,34.3 2 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:38.6,42.10 3 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:43.21,44.26 1 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:51.4,51.20 1 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:52.22,55.24 3 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:56.20,61.21 5 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:44.26,47.5 2 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:47.10,50.5 2 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:66.55,71.12 3 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:84.2,84.21 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:71.12,73.16 2 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:77.3,77.33 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:81.3,81.16 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:73.16,76.4 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:77.33,79.4 1 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:88.53,90.16 2 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:93.2,97.21 4 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:100.2,100.40 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:104.2,104.19 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:90.16,92.3 1 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:97.21,99.3 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/main.go:100.40,102.3 1 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/typing.go:13.40,21.2 3 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/typing.go:23.28,25.2 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/typing.go:27.33,29.2 1 0 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/typing.go:31.42,32.20 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/typing.go:36.2,36.14 1 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/typing.go:32.20,35.3 2 1 | ||
| github.com/gopherdojo/dojo8/kadai3-1/hokita/typing/typing.go:39.28,42.2 2 1 |
3 changes: 3 additions & 0 deletions
kadai3-1/hokita/testdata/words1.txt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| gopher | ||
| golang | ||
| goroutines |
4 changes: 4 additions & 0 deletions
kadai3-1/hokita/testdata/words2.txt
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| java | ||
| php | ||
| erlang | ||
| elixir |
42 changes: 42 additions & 0 deletions
kadai3-1/hokita/typing.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "math/rand" | ||
| ) | ||
|
|
||
| type Typing struct { | ||
| point int | ||
| word string | ||
| words []string | ||
| } | ||
|
|
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| func newTyping(words []string) *Typing { | ||
| typing := &Typing{ | ||
| words: words, | ||
| } | ||
|
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| typing.shuffle() | ||
|
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| return typing | ||
| } | ||
|
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| func (t *Typing) pointUp() { | ||
| t.point += 1 | ||
| } | ||
|
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| func (t *Typing) getPoint() int { | ||
| return t.point | ||
| } | ||
|
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| func (t *Typing) check(word string) bool { | ||
| if t.word == word { | ||
| t.pointUp() | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
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| func (t *Typing) shuffle() { | ||
| i := rand.Intn(len(t.words)) | ||
| t.word = t.words[i] | ||
| } |
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