fix: allow project names with dots for badges (resolve #301)

routes/compat/shields/v1/badge.go

@@ -17,7 +17,7 @@ import (
 
 const (
 	intervalPattern     = `interval:([a-z0-9_]+)`
-	entityFilterPattern = `(project|os|editor|language|machine|label):([_a-zA-Z0-9-\s]+)`
+	entityFilterPattern = `(project|os|editor|language|machine|label):([_a-zA-Z0-9-\s\.]+)`
 )
 
 type BadgeHandler struct {

routes/compat/shields/v1/badge_test.go

@@ -0,0 +1,43 @@
+package v1
+
+import (
+	"github.com/stretchr/testify/assert"
+	"regexp"
+	"testing"
+)
+
+func TestBadgeHandler_EntityPattern(t *testing.T) {
+	type test struct {
+		test string
+		key  string
+		val  string
+	}
+
+	pathPrefix := "/compat/shields/v1/current/today/"
+
+	tests := []test{
+		{test: pathPrefix + "project:wakapi", key: "project", val: "wakapi"},
+		{test: pathPrefix + "os:Linux", key: "os", val: "Linux"},
+		{test: pathPrefix + "editor:VSCode", key: "editor", val: "VSCode"},
+		{test: pathPrefix + "language:Java", key: "language", val: "Java"},
+		{test: pathPrefix + "machine:devmachine", key: "machine", val: "devmachine"},
+		{test: pathPrefix + "label:work", key: "label", val: "work"},
+		{test: pathPrefix + "foo:bar", key: "", val: ""},                                   // invalid entity
+		{test: pathPrefix + "project:01234", key: "project", val: "01234"},                 // digits only
+		{test: pathPrefix + "project:anchr-web-ext", key: "project", val: "anchr-web-ext"}, // with dashes
+		{test: pathPrefix + "project:wakapi v2", key: "project", val: "wakapi v2"},         // with blank space
+		{test: pathPrefix + "project:project", key: "project", val: "project"},
+		{test: pathPrefix + "project:Anchr-Android_v2.0", key: "project", val: "Anchr-Android_v2.0"}, // all the way
+	}
+
+	sut := regexp.MustCompile(entityFilterPattern)
+
+	for _, tc := range tests {
+		var key, val string
+		if groups := sut.FindStringSubmatch(tc.test); len(groups) > 2 {
+			key, val = groups[1], groups[2]
+		}
+		assert.Equal(t, tc.key, key)
+		assert.Equal(t, tc.val, val)
+	}
+}