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author | Mike Greiling <mike@pixelcog.com> | 2017-10-24 07:52:21 +0000 |
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committer | Mike Greiling <mike@pixelcog.com> | 2017-10-24 07:52:21 +0000 |
commit | f7bdfe5098c9a5a3a426344ba1d7dd668212cf7e (patch) | |
tree | 5a1cb2a90b0a2b5114f6f23712b68724b3e8a7e0 /spec/lib/gitlab/multi_collection_paginator_spec.rb | |
parent | 9cd528aa7ac5066570cb50b909951a6c6b723935 (diff) | |
parent | e16add2267648d3d3ef1d98f9b53f67a29428791 (diff) | |
download | gitlab-ce-es-module-autosave.tar.gz |
Merge branch 'master' into 'es-module-autosave'es-module-autosave
# Conflicts:
# app/assets/javascripts/issuable_form.js
# app/assets/javascripts/notes.js
Diffstat (limited to 'spec/lib/gitlab/multi_collection_paginator_spec.rb')
-rw-r--r-- | spec/lib/gitlab/multi_collection_paginator_spec.rb | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/spec/lib/gitlab/multi_collection_paginator_spec.rb b/spec/lib/gitlab/multi_collection_paginator_spec.rb new file mode 100644 index 00000000000..68bd4f93159 --- /dev/null +++ b/spec/lib/gitlab/multi_collection_paginator_spec.rb @@ -0,0 +1,46 @@ +require 'spec_helper' + +describe Gitlab::MultiCollectionPaginator do + subject(:paginator) { described_class.new(Project.all.order(:id), Group.all.order(:id), per_page: 3) } + + it 'combines both collections' do + project = create(:project) + group = create(:group) + + expect(paginator.paginate(1)).to eq([project, group]) + end + + it 'includes elements second collection if first collection is empty' do + group = create(:group) + + expect(paginator.paginate(1)).to eq([group]) + end + + context 'with a full first page' do + let!(:all_groups) { create_list(:group, 4) } + let!(:all_projects) { create_list(:project, 4) } + + it 'knows the total count of the collection' do + expect(paginator.total_count).to eq(8) + end + + it 'fills the first page with elements of the first collection' do + expect(paginator.paginate(1)).to eq(all_projects.take(3)) + end + + it 'fils the second page with a mixture of of the first & second collection' do + first_collection_element = all_projects.last + second_collection_elements = all_groups.take(2) + + expected_collection = [first_collection_element] + second_collection_elements + + expect(paginator.paginate(2)).to eq(expected_collection) + end + + it 'fils the last page with elements from the second collection' do + expected_collection = all_groups[-2..-1] + + expect(paginator.paginate(3)).to eq(expected_collection) + end + end +end |