standardize label on [cpan] license badge (#2173)

services/cpan/cpan.service.js

@@ -6,6 +6,9 @@ const { addv: versionText } = require('../../lib/text-formatters')
 const { version: versionColor } = require('../../lib/color-formatters')
 
 module.exports = class Cpan extends LegacyService {
+  static get url() {
+    return { base: 'cpan' }
+  }
   static registerLegacyRouteHandler({ camp, cache }) {
     camp.route(
       /^\/cpan\/([^/]+)\/([^/]+)\.(svg|png|gif|jpg|json)$/,
@@ -31,6 +34,7 @@ module.exports = class Cpan extends LegacyService {
             } else if (info === 'l') {
               const license = data.license[0]
               badgeData.text[1] = license
+              badgeData.text[0] = 'license'
               badgeData.colorscheme = 'blue'
             }
             sendBadge(format, badgeData)

services/cpan/cpan.tester.js

@@ -0,0 +1,12 @@
+'use strict'
+
+const createServiceTester = require('../create-service-tester')
+const t = createServiceTester()
+module.exports = t
+
+t.create('license')
+  .get('/l/Config-Augeas.json')
+  .expectJSON({
+    name: 'license',
+    value: 'lgpl_2_1',
+  })