diff --git a/spec/models/post_spec.rb b/spec/models/post_spec.rb
index 0eb9e75e..09c9a20b 100644
--- a/spec/models/post_spec.rb
+++ b/spec/models/post_spec.rb
@@ -52,4 +52,29 @@ RSpec.describe Post, type: :model do
 
     expect(no_board_post).to be_invalid
   end
+
+  it 'has a method that returns posts with status in array' do
+    post_status1 = FactoryBot.create(:post_status)
+    post_status2 = FactoryBot.create(:post_status)
+    post1 = FactoryBot.create(:post, post_status: post_status1)
+    post2 = FactoryBot.create(:post, post_status: post_status2)
+    post
+
+    expected = Post.where(post_status_id: [post_status1.id, post_status2.id])
+    got = Post.find_with_post_status_in([post_status1, post_status2])
+
+    expect(expected).to eq(got)
+  end
+
+  it 'has a method that returns posts with title or description like search query' do
+    post1 = FactoryBot.create(:post, title: 'Fantastic title', description: 'Fabolous description')
+    post2 = FactoryBot.create(:post, title: 'Incredible title', description: 'Wonderful description')
+
+    expect(Post.search_by_name_or_description('fantastic').first).to eq(post1)
+    expect(Post.search_by_name_or_description('WONDERFUL').first).to eq(post2)
+    expect(Post.search_by_name_or_description('brutiful').first).to be_nil
+
+    expect { Post.search_by_name_or_description(nil) }.not_to raise_error
+    expect { Post.search_by_name_or_description('dangerous symbols: " \' %') }.not_to raise_error
+  end
 end
diff --git a/spec/models/post_status_spec.rb b/spec/models/post_status_spec.rb
index 537a7b40..713ba2f4 100644
--- a/spec/models/post_status_spec.rb
+++ b/spec/models/post_status_spec.rb
@@ -50,4 +50,15 @@ RSpec.describe PostStatus, type: :model do
     expect(negative_order).to be_invalid
     expect(zero_order).to be_invalid
   end
+
+  it 'has a method that returns only post statuses that should show up in roadmap' do
+    post_status2 = FactoryBot.create(:post_status, show_in_roadmap: true, order: 2)
+    post_status3 = FactoryBot.create(:post_status, show_in_roadmap: true, order: 1)
+
+    roadmap = PostStatus.find_roadmap
+
+    expect(roadmap.size).to eq(2)
+    expect(roadmap.first).to eq(post_status3)
+    expect(roadmap.second).to eq(post_status2)
+  end
 end