Test coverage improvements

.github/.codecov.yml

@@ -35,3 +35,7 @@ component_management:
       name: models
       paths:
         - app/models/**
+    - component_id: module_tasks
+      name: tasks
+      paths:
+        - app/tasks/**

app/models/category.rb

@@ -44,7 +44,7 @@ def update_activity(last_activity)
 
   # Gets categories appropriately scoped for a given user
   # @param user [User] user to check
-  # @return [ActiveRecord::Relation<category>]
+  # @return [ActiveRecord::Relation<Category>]
   def self.accessible_to(user)
     if user&.at_least_moderator?
       return Category.all

test/models/blocked_item_test.rb

@@ -1,7 +1,9 @@
 require 'test_helper'
 
 class BlockedItemTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  test 'predicates should correctly check item type' do
+    ['email', 'ip'].each do |type|
+      assert blocked_items(type.to_sym).send("#{type}?")
+    end
+  end
 end

test/models/category_test.rb

@@ -18,4 +18,9 @@ class CategoryTest < ActiveSupport::TestCase
       assert cat.name.include?('Trust')
     end
   end
+
+  test 'public? should correctly determine category visibility' do
+    assert categories(:main).public?
+    assert_not categories(:admin_only).public?
+  end
 end

test/models/license_test.rb

@@ -1,7 +1,8 @@
 require 'test_helper'
 
 class LicenseTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  test 'site_default should correctly get the default license' do
+    defaults = licenses.select(&:default?)
+    assert defaults.include?(License.site_default)
+  end
 end

test/models/post_type_test.rb

@@ -0,0 +1,9 @@
+require 'test_helper'
+
+class PostTypeTest < ActiveSupport::TestCase
+  test 'system? should correctly determine if a type is a system type' do
+    assert_not post_types(:question).system?
+    assert post_types(:policy_doc).system?
+    assert post_types(:help_doc).system?
+  end
+end