Create change_time helper method

Time#change is an activesupport feature

Also: Use seconds instead of Numeric#minute and Numeric#hour

lib/diaspora_federation/test/factories.rb

@@ -205,8 +205,8 @@ module DiasporaFederation
         guid { Fabricate.sequence(:guid) }
         summary "Cool event"
         description "You need to see this!"
-        start { Time.now.utc.change(min: 0).change(sec: 0).change(usec: 0) - 1.hour }
-        f.end { Time.now.utc.change(min: 0).change(sec: 0).change(usec: 0) + 1.hour }
+        start { change_time(Time.now.utc, min: 0) - 3600 }
+        f.end { change_time(Time.now.utc, min: 0) + 3600 }
         all_day false
         timezone "Europe/Berlin"
       end

spec/lib/diaspora_federation/entities/comment_spec.rb

@@ -60,11 +60,11 @@ JSON
     describe "#created_at" do
       it "has a created_at after parse" do
         entity = described_class.from_xml(Nokogiri::XML::Document.parse(xml).root)
-        expect(entity.created_at).to be_within(1.second).of(Time.now.utc)
+        expect(entity.created_at).to be_within(1).of(Time.now.utc)
       end
 
       it "parses the created_at from the xml if it is included and correctly signed" do
-        created_at = Time.now.utc.change(usec: 0) - 1.minute
+        created_at = change_time(Time.now.utc) - 60
         comment_data = Fabricate.attributes_for(:comment_entity, author: alice.diaspora_id, parent_guid: parent.guid)
         comment_data[:created_at] = created_at
         comment_data[:parent] = parent_entity

spec/lib/diaspora_federation/entity_spec.rb

@@ -158,7 +158,7 @@ XML
           test2: false,
           test3: "456",
           test4: 789,
-          test5: Time.current.utc
+          test5: Time.now.utc
         }
       }
 
@@ -208,7 +208,7 @@ XML
 
     describe ".from_json" do
       it "parses entity properties from the input JSON data" do
-        now = Time.now.change(usec: 0).utc
+        now = change_time(Time.now.utc)
         entity_data = <<-JSON
 {
   "entity_type": "test_complex_entity",
@@ -281,7 +281,7 @@ JSON
 
     describe ".from_hash" do
       it "parses entity properties from the input data" do
-        now = Time.now.change(usec: 0).utc
+        now = change_time(Time.now.utc)
         entity_data = {
           test1: "abc",
           test2: false,

spec/lib/diaspora_federation/parsers/json_parser_spec.rb

@@ -26,7 +26,7 @@ JSON
                        '{"entity_type": "test_complex_entity"}'
 
       it "returns a hash for the correct JSON input" do
-        now = Time.now.change(usec: 0).utc
+        now = change_time(Time.now.utc)
         json = <<-JSON
 {
   "entity_type": "test_complex_entity",

spec/support/helper_methods.rb

@@ -26,3 +26,12 @@ end
 def verify_signature(pubkey, signature, signed_string)
   pubkey.verify(OpenSSL::Digest::SHA256.new, Base64.decode64(signature), signed_string)
 end
+
+# time helper
+def change_time(time, options={})
+  new_hour  = options.fetch(:hour, time.hour)
+  new_min   = options.fetch(:min, options[:hour] ? 0 : time.min)
+  new_sec   = options.fetch(:sec, options[:hour] || options[:min] ? 0 : time.sec)
+
+  ::Time.utc(time.year, time.month, time.day, new_hour, new_min, new_sec)
+end

spec/support/shared_entity_specs.rb

@@ -90,7 +90,7 @@ shared_examples "an XML Entity" do |ignored_props=[]|
 
   def validate_property(value, parsed_value)
     if value.is_a?(Time)
-      expect(parsed_value).to eq(value.change(usec: 0))
+      expect(parsed_value).to eq(change_time(value))
     else
       expect(parsed_value).to eq(value)
     end