Fixed [Codacy] coverage examples and improved unknown coverage handling (#2102)

services/codacy/codacy-coverage.service.js

@@ -39,8 +39,13 @@ module.exports = class CodacyCoverage extends LegacyService {
               return
             }
             try {
-              badgeData.text[1] = res
-              badgeData.colorscheme = coveragePercentageColor(parseInt(res))
+              const coverage = parseInt(res)
+              if (Number.isNaN(coverage)) {
+                badgeData.text[1] = 'unknown'
+              } else {
+                badgeData.text[1] = res
+                badgeData.colorscheme = coveragePercentageColor(coverage)
+              }
               sendBadge(format, badgeData)
             } catch (e) {
               badgeData.text[1] = 'invalid'

services/codacy/codacy.tester.js

@@ -17,6 +17,13 @@ t.create('Coverage')
     })
   )
 
+t.create('Coverage unknown')
+  .get('/coverage/e27821fb6289410b8f58338c7e0bc686.json')
+  .expectJSON({
+    name: 'coverage',
+    value: 'unknown',
+  })
+
 t.create('Coverage on branch')
   .get('/coverage/59d607d0e311408885e418004068ea58/master.json')
   .expectJSONTypes(