Improve tests format

Author: pitbulk

test/response_test.rb

@@ -1070,14 +1070,14 @@ class RubySamlTest < Minitest::Test
         end
 
         it "check what happens when trying retrieve attribute that does not exists" do
-          assert_equal nil, response_multiple_attr_values.attributes[:attribute_not_exists]
-          assert_equal nil, response_multiple_attr_values.attributes.single(:attribute_not_exists)
-          assert_equal nil, response_multiple_attr_values.attributes.multi(:attribute_not_exists)
+          assert_nil response_multiple_attr_values.attributes[:attribute_not_exists]
+          assert_nil response_multiple_attr_values.attributes.single(:attribute_not_exists)
+          assert_nil response_multiple_attr_values.attributes.multi(:attribute_not_exists)
 
           OneLogin::RubySaml::Attributes.single_value_compatibility = false
-          assert_equal nil, response_multiple_attr_values.attributes[:attribute_not_exists]
-          assert_equal nil, response_multiple_attr_values.attributes.single(:attribute_not_exists)
-          assert_equal nil, response_multiple_attr_values.attributes.multi(:attribute_not_exists)
+          assert_nil response_multiple_attr_values.attributes[:attribute_not_exists]
+          assert_nil response_multiple_attr_values.attributes.single(:attribute_not_exists)
+          assert_nil response_multiple_attr_values.attributes.multi(:attribute_not_exists)
           OneLogin::RubySaml::Attributes.single_value_compatibility = true
         end
 

test/settings_test.rb

@@ -99,13 +99,13 @@ class SettingsTest < Minitest::Test
       it "returns nil when the cert is an empty string" do
         @settings = OneLogin::RubySaml::Settings.new
         @settings.idp_cert = ""
-        assert_equal nil, @settings.get_idp_cert
+        assert_nil @settings.get_idp_cert
       end
 
       it "returns nil when the cert is nil" do
         @settings = OneLogin::RubySaml::Settings.new
         @settings.idp_cert = nil
-        assert_equal nil, @settings.get_idp_cert
+        assert_nil @settings.get_idp_cert
       end
 
       it "returns the certificate when it is valid" do
@@ -127,13 +127,13 @@ class SettingsTest < Minitest::Test
       it "returns nil when the cert is an empty string" do
         @settings = OneLogin::RubySaml::Settings.new
         @settings.certificate = ""
-        assert_equal nil, @settings.get_sp_cert
+        assert_nil @settings.get_sp_cert
       end
 
       it "returns nil when the cert is nil" do
         @settings = OneLogin::RubySaml::Settings.new
         @settings.certificate = nil
-        assert_equal nil, @settings.get_sp_cert
+        assert_nil @settings.get_sp_cert
       end
 
       it "returns the certificate when it is valid" do
@@ -156,13 +156,13 @@ class SettingsTest < Minitest::Test
       it "returns nil when the private key is an empty string" do
         @settings = OneLogin::RubySaml::Settings.new
         @settings.private_key = ""
-        assert_equal nil, @settings.get_sp_key
+        assert_nil @settings.get_sp_key
       end
 
       it "returns nil when the private key is nil" do
         @settings = OneLogin::RubySaml::Settings.new
         @settings.private_key = nil
-        assert_equal nil, @settings.get_sp_key
+        assert_nil @settings.get_sp_key
       end
 
       it "returns the private key when it is valid" do

test/slo_logoutrequest_test.rb

@@ -106,7 +106,7 @@ class RubySamlTest < Minitest::Test
    describe "#not_on_or_after" do
       it "extract the value of the NotOnOrAfter attribute" do
         time_value = '2014-07-17T01:01:48Z'
-        assert_equal nil, logout_request.not_on_or_after
+        assert_nil logout_request.not_on_or_after
         logout_request.document.root.attributes['NotOnOrAfter'] = time_value
         assert_equal Time.parse(time_value), logout_request.not_on_or_after
       end

test/utils_test.rb

@@ -13,7 +13,7 @@ class UtilsTest < Minitest::Test
 
     it "returns nil when the cert is nil" do
       cert = nil
-      assert_equal nil, OneLogin::RubySaml::Utils.format_cert(cert)
+      assert_nil OneLogin::RubySaml::Utils.format_cert(cert)
     end
 
     it "returns the certificate when it is valid" do
@@ -48,7 +48,7 @@ class UtilsTest < Minitest::Test
 
     it "returns nil when the private key is nil" do
       private_key = nil
-      assert_equal nil, OneLogin::RubySaml::Utils.format_private_key(private_key)
+      assert_nil OneLogin::RubySaml::Utils.format_private_key(private_key)
     end
 
     it "returns the private key when it is valid" do