Implement tools.Available

Author: matteosuppo

v2/pkgs/indexes.go

@@ -2,6 +2,7 @@ package pkgs
 
 import (
 	"context"
+	"encoding/json"
 	"io/ioutil"
 	"net/url"
 	"os"
@@ -45,6 +46,22 @@ func (c *Indexes) Add(ctx context.Context, payload *indexes.IndexPayload) error
 	return nil
 }
 
+func (c *Indexes) Get(ctx context.Context, uri string) (index Index, err error) {
+	filename := url.PathEscape(uri)
+	path := filepath.Join(c.Folder, filename)
+	data, err := ioutil.ReadFile(path)
+	if err != nil {
+		return index, err
+	}
+
+	err = json.Unmarshal(data, &index)
+	if err != nil {
+		return index, err
+	}
+
+	return index, nil
+}
+
 func (c *Indexes) List(context.Context) ([]string, error) {
 	// Read files
 	files, err := ioutil.ReadDir(c.Folder)
@@ -68,3 +85,26 @@ func (c *Indexes) Remove(ctx context.Context, payload *indexes.IndexPayload) err
 	filename := url.PathEscape(payload.URL)
 	return os.RemoveAll(filepath.Join(c.Folder, filename))
 }
+
+type Index struct {
+	Packages []struct {
+		Name       string `json:"name"`
+		Maintainer string `json:"maintainer"`
+		WebsiteURL string `json:"websiteURL"`
+		Email      string `json:"email,omitempty"`
+		Help       struct {
+			Online string `json:"online"`
+		} `json:"help,omitempty"`
+		Tools []struct {
+			Name    string `json:"name"`
+			Version string `json:"version"`
+			Systems []struct {
+				Host            string `json:"host"`
+				URL             string `json:"url"`
+				ArchiveFileName string `json:"archiveFileName"`
+				Checksum        string `json:"checksum"`
+				Size            string `json:"size"`
+			} `json:"systems"`
+		} `json:"tools"`
+	} `json:"packages"`
+}

v2/pkgs/indexes_test.go

@@ -3,6 +3,8 @@ package pkgs_test
 import (
 	"context"
 	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
 	"os"
 	"strings"
 	"testing"
@@ -14,12 +16,17 @@ import (
 // TestIndexes performs a series of operations about indexes, ensuring it behaves as expected.
 // This test depends on the internet so it could fail unexpectedly
 func TestIndexes(t *testing.T) {
+	// Use local file as index
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		http.ServeFile(w, r, "testdata/package_index.json")
+	}))
+	defer ts.Close()
+
 	// Initialize indexes with a temp folder
 	tmp, err := ioutil.TempDir("", "")
 	if err != nil {
 		t.Fatal(err)
 	}
-
 	defer os.RemoveAll(tmp)
 
 	service := pkgs.Indexes{
@@ -44,7 +51,7 @@ func TestIndexes(t *testing.T) {
 	}
 
 	// Add a new index
-	err = service.Add(ctx, &indexes.IndexPayload{URL: "https://downloads.arduino.cc/packages/package_index.json"})
+	err = service.Add(ctx, &indexes.IndexPayload{URL: ts.URL})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -57,12 +64,12 @@ func TestIndexes(t *testing.T) {
 	if len(list) != 1 {
 		t.Fatalf("expected %d == %d (%s)", len(list), 1, "len(list)")
 	}
-	if list[0] != "https://downloads.arduino.cc/packages/package_index.json" {
+	if list[0] != ts.URL {
 		t.Fatalf("expected %s == %s (%s)", list[0], "downloads.arduino.cc/packages/package_index.json", "list[0]")
 	}
 
 	// Remove the index
-	err = service.Remove(ctx, &indexes.IndexPayload{URL: "https://downloads.arduino.cc/packages/package_index.json"})
+	err = service.Remove(ctx, &indexes.IndexPayload{URL: ts.URL})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -75,4 +82,7 @@ func TestIndexes(t *testing.T) {
 	if len(list) != 0 {
 		t.Fatalf("expected %d == %d (%s)", len(list), 0, "len(list)")
 	}
+
+	t.Fail()
+
 }