feat(api): add NumPackages to mirrors/repos/snapshots list responses

add API response wrappers with NumPackages derived from RefList length; keep show endpoint payloads unchanged for backward compatibility; add API tests for list endpoint NumPackages; update swagger response schemas for list endpoints

api/mirror_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"encoding/json"
 
+	"github.com/aptly-dev/aptly/deb"
 	"github.com/gin-gonic/gin"
 	. "gopkg.in/check.v1"
 )
@@ -17,7 +18,10 @@ var _ = Suite(&MirrorSuite{})
 func (s *MirrorSuite) TestGetMirrors(c *C) {
 	response, _ := s.HTTPRequest("GET", "/api/mirrors", nil)
 	c.Check(response.Code, Equals, 200)
-	c.Check(response.Body.String(), Equals, "[]")
+
+	var mirrors []map[string]interface{}
+	err := json.Unmarshal(response.Body.Bytes(), &mirrors)
+	c.Assert(err, IsNil)
 }
 
 func (s *MirrorSuite) TestDeleteMirrorNonExisting(c *C) {
@@ -53,3 +57,34 @@ func (s *MirrorSuite) TestCreateMirror(c *C) {
 	c.Check(response.Code, Equals, 400)
 	c.Check(response.Body.String(), Equals, "")
 }
+
+func (s *MirrorSuite) TestGetMirrorsIncludesNumPackages(c *C) {
+	collection := s.context.NewCollectionFactory().RemoteRepoCollection()
+
+	repo, err := deb.NewRemoteRepo("count-mirror", "http://example.com/debian", "stable", []string{"main"}, []string{}, false, false, false)
+	c.Assert(err, IsNil)
+
+	err = collection.Add(repo)
+	c.Assert(err, IsNil)
+
+	response, err := s.HTTPRequest("GET", "/api/mirrors", nil)
+	c.Assert(err, IsNil)
+	c.Assert(response.Code, Equals, 200)
+
+	var mirrors []map[string]interface{}
+	err = json.Unmarshal(response.Body.Bytes(), &mirrors)
+	c.Assert(err, IsNil)
+
+	found := false
+	for _, mirror := range mirrors {
+		if mirror["Name"] == "count-mirror" {
+			found = true
+			value, ok := mirror["NumPackages"]
+			c.Assert(ok, Equals, true)
+			c.Assert(value, Equals, float64(0))
+			break
+		}
+	}
+
+	c.Assert(found, Equals, true)
+}