Merge pull request #171 from Tonkpils/skip-exercise

Add Skip command to skip specific problems

Author: kytrinyx

api/api.go

@@ -264,3 +264,29 @@ func (c *Client) Tracks() ([]*Track, error) {
 
 	return payload.Tracks, nil
 }
+
+func (c *Client) Skip(language, slug string) error {
+	url := fmt.Sprintf("%s/api/v1/iterations/%s/%s/skip?key=%s", c.APIHost, language, slug, c.APIKey)
+
+	req, err := http.NewRequest("POST", url, nil)
+	if err != nil {
+		return err
+	}
+
+	res, err := c.Do(req, nil)
+	if err != nil {
+		return err
+	}
+
+	defer res.Body.Close()
+	if res.StatusCode == http.StatusNoContent {
+		return nil
+	}
+
+	var pe PayloadError
+	if err := json.NewDecoder(res.Body).Decode(&pe); err != nil {
+		return err
+	}
+
+	return errors.New(pe.Error)
+}

api/api_test.go

@@ -86,6 +86,46 @@ func TestFetchASpecificProblem(t *testing.T) {
 	assert.NoError(t, err)
 }
 
+func TestSkipProblem(t *testing.T) {
+	var (
+		APIKey   = "mykey"
+		language = "go"
+		problem  = "leap"
+	)
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+		skipAPI := fmt.Sprintf("/api/v1/iterations/%s/%s/skip?key=%s", language, problem, APIKey)
+		assert.Equal(t, skipAPI, req.RequestURI)
+
+		w.WriteHeader(http.StatusNoContent)
+	}))
+	defer ts.Close()
+
+	client := NewClient(&config.Config{API: ts.URL, APIKey: APIKey})
+
+	err := client.Skip(language, problem)
+	assert.NoError(t, err)
+}
+
+func TestSkipProblemErrorResponse(t *testing.T) {
+	var (
+		APIKey   = "mykey"
+		language = "go"
+		problem  = "leap"
+	)
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+		skipAPI := fmt.Sprintf("/api/v1/iterations/%s/%s/skip?key=%s", language, problem, APIKey)
+		assert.Equal(t, skipAPI, req.RequestURI)
+
+		w.Write([]byte(`{"error":"exercise skipped"}`))
+	}))
+	defer ts.Close()
+
+	client := NewClient(&config.Config{API: ts.URL, APIKey: APIKey})
+
+	err := client.Skip(language, problem)
+	assert.Error(t, err)
+}
+
 func TestGetSubmission(t *testing.T) {
 	var (
 		APIKey   = "mykey"

cmd/skip.go

@@ -0,0 +1,35 @@
+package cmd
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/codegangsta/cli"
+	"github.com/exercism/cli/api"
+	"github.com/exercism/cli/config"
+)
+
+func Skip(ctx *cli.Context) {
+	c, err := config.New(ctx.GlobalString("config"))
+	if err != nil {
+		log.Fatal(err)
+	}
+	args := ctx.Args()
+
+	if len(args) != 2 {
+		msg := "Usage: exercism skip LANGUAGE SLUG"
+		log.Fatal(msg)
+	}
+
+	var (
+		language = args[0]
+		slug     = args[1]
+	)
+
+	client := api.NewClient(c)
+	if err := client.Skip(language, slug); err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("Exercise %q in %q has been skipped.\n", slug, language)
+}

exercism/main.go

@@ -24,6 +24,7 @@ const (
 	descFetch     = "Fetches your current problems on exercism.io, as well as the next unstarted problem in each language."
 	descRestore   = "Restores completed and current problems on from exercism.io, along with your most recent iteration for each."
 	descSubmit    = "Submits a new iteration to a problem on exercism.io."
+	descSkip      = "Skips a problem given a language and slug."
 	descUnsubmit  = "Deletes the most recently submitted iteration."
 	descTracks    = "List the available language tracks"
 	descOpen      = "Opens the current submission of the specified exercise"
@@ -103,6 +104,11 @@ func main() {
 			Description: descLongRestore,
 			Action:      cmd.Restore,
 		},
+		{
+			Name:   "skip",
+			Usage:  descSkip,
+			Action: cmd.Skip,
+		},
 		{
 			Name:      "submit",
 			ShortName: "s",
@@ -141,7 +147,6 @@ func main() {
 		},
 	}
 	if err := app.Run(os.Args); err != nil {
-
 		log.Fatal(err)
 	}
 }