fix: throws statusCode on parseUrl (#82)

Author: yoshwata

index.js

@@ -28,6 +28,19 @@ const STATE_MAP = {
 };
 const WEBHOOK_PAGE_SIZE = 30;
 
+/**
+ * Throw error with error code
+ * @param {String} errorReason Error message
+ * @param {Number} errorCode   Error code
+ * @throws {Error}             Throws error
+ */
+function throwError(errorReason, errorCode = 500) {
+    const err = new Error(errorReason);
+
+    err.statusCode = errorCode;
+    throw err;
+}
+
 /**
  * Get repo information
  * @method  getRepoInfo
@@ -328,16 +341,13 @@ class BitbucketScm extends Scm {
         };
 
         if (hostname !== this.hostname) {
-            throw new Error('This checkoutUrl is not supported for your current login host.');
+            throwError('This checkoutUrl is not supported for your current login host.', 400);
         }
 
         const response = await this.breaker.runCommand(options);
 
-        if (response.statusCode === 404) {
-            throw new Error(`Cannot find repository ${checkoutUrl}`);
-        }
         if (response.statusCode !== 200) {
-            throw new Error(`STATUS CODE ${response.statusCode}: ${JSON.stringify(response.body)}`);
+            throwError(`STATUS CODE ${response.statusCode}: ${JSON.stringify(response.body)}`, response.statusCode);
         }
 
         const scmUri = `${hostname}:${username}/${response.body.target.repository.uuid}:${branch}`;

test/index.test.js

@@ -267,17 +267,10 @@ describe('index', function() {
         });
 
         it('rejects if status code is 404', () => {
-            fakeResponse = {
-                statusCode: 404,
-                body: {
-                    error: {
-                        message: 'Resource not found',
-                        detail: 'There is no API hosted at this URL'
-                    }
-                }
-            };
+            const err = new Error('Cannot find repository');
 
-            requestMock.resolves(fakeResponse);
+            err.statusCode = 404;
+            requestMock.rejects(err);
 
             return scm
                 .parseUrl({