FE-4875: include explicit Content-Type in the FishEye service

lib/services/fisheye.rb

@@ -8,6 +8,7 @@ def receive_push
     verify_config
 
     http.headers['X-Api-Key'] = token
+    http.headers['Content-Type'] = 'application/json'
 
     url = "%s/rest-service-fecru/admin/repositories-v1/%s/scan" % [url_base, repository_name]
 

test/fisheye_test.rb

@@ -17,8 +17,14 @@ def data_my_repo
     }
   end
 
+  def assert_headers_valid(env)
+    assert_equal(data_my_repo["token"], env[:request_headers]["X-Api-Key"])
+    assert_equal("application/json", env[:request_headers]["Content-Type"])
+  end
+
   def test_triggers_scanning_custom_repository
     @stubs.post "/foo/rest-service-fecru/admin/repositories-v1/myRepo/scan" do |env|
+      assert_headers_valid(env)
       [200, {}]
     end
 
@@ -30,6 +36,7 @@ def test_triggers_scanning_custom_repository
 
   def test_triggers_scanning_url_with_slash
     @stubs.post "/foo/rest-service-fecru/admin/repositories-v1/myRepo/scan" do |env|
+      assert_headers_valid(env)
       [200, {}]
     end
 
@@ -44,6 +51,7 @@ def test_triggers_scanning_url_with_slash
 
   def test_triggers_scanning_url_without_http
     @stubs.post "/foo/rest-service-fecru/admin/repositories-v1/myRepo/scan" do |env|
+      assert_headers_valid(env)
       [200, {}]
     end
 
@@ -74,6 +82,7 @@ def test_triggers_scanning_github_repository
 
   def test_triggers_scanning_empty_custom_repository
     @stubs.post "/foo/rest-service-fecru/admin/repositories-v1/grit/scan" do |env|
+      assert_headers_valid(env)
       [200, {}]
     end
 
@@ -139,6 +148,7 @@ def test_triggers_scanning_missing_data_and_payload
 
   def test_triggers_scanning_missing_payload
     @stubs.post "/foo/rest-service-fecru/admin/repositories-v1/myRepo/scan" do |env|
+      assert_headers_valid(env)
       [200, {}]
     end