331 lines
9.1 KiB
Ruby
331 lines
9.1 KiB
Ruby
# frozen_string_literal: true
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require "spec_helper"
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describe Gitlab::Git::Diff, :seed_helper do
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let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '', 'group/project') }
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let(:gitaly_diff) do
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Gitlab::GitalyClient::Diff.new(
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from_path: '.gitmodules',
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to_path: '.gitmodules',
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old_mode: 0100644,
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new_mode: 0100644,
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from_id: '0792c58905eff3432b721f8c4a64363d8e28d9ae',
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to_id: 'efd587ccb47caf5f31fc954edb21f0a713d9ecc3',
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overflow_marker: false,
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collapsed: false,
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too_large: false,
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patch: "@@ -4,3 +4,6 @@\n [submodule \"gitlab-shell\"]\n \tpath = gitlab-shell\n \turl = https://github.com/gitlabhq/gitlab-shell.git\n+[submodule \"gitlab-grack\"]\n+\tpath = gitlab-grack\n+\turl = https://gitlab.com/gitlab-org/gitlab-grack.git\n"
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)
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end
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before do
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@raw_diff_hash = {
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diff: <<EOT.gsub(/^ {8}/, "").sub(/\n$/, ""),
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@@ -4,3 +4,6 @@
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[submodule "gitlab-shell"]
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\tpath = gitlab-shell
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\turl = https://github.com/gitlabhq/gitlab-shell.git
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+[submodule "gitlab-grack"]
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+ path = gitlab-grack
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+ url = https://gitlab.com/gitlab-org/gitlab-grack.git
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EOT
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new_path: ".gitmodules",
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old_path: ".gitmodules",
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a_mode: '100644',
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b_mode: '100644',
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new_file: false,
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renamed_file: false,
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deleted_file: false,
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too_large: false
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}
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end
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describe '.new' do
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context 'using a Hash' do
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context 'with a small diff' do
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let(:diff) { described_class.new(@raw_diff_hash) }
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it 'initializes the diff' do
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expect(diff.to_hash).to eq(@raw_diff_hash)
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end
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it 'does not prune the diff' do
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expect(diff).not_to be_too_large
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end
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end
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context 'using a diff that is too large' do
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it 'prunes the diff' do
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diff = described_class.new(diff: 'a' * 204800)
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expect(diff.diff).to be_empty
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expect(diff).to be_too_large
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end
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end
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end
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context 'using a GitalyClient::Diff' do
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let(:gitaly_diff) do
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Gitlab::GitalyClient::Diff.new(
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to_path: ".gitmodules",
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from_path: ".gitmodules",
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old_mode: 0100644,
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new_mode: 0100644,
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from_id: '357406f3075a57708d0163752905cc1576fceacc',
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to_id: '8e5177d718c561d36efde08bad36b43687ee6bf0',
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patch: raw_patch
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)
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end
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let(:diff) { described_class.new(gitaly_diff) }
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context 'with a small diff' do
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let(:raw_patch) { @raw_diff_hash[:diff] }
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it 'initializes the diff' do
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expect(diff.to_hash).to eq(@raw_diff_hash)
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end
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it 'does not prune the diff' do
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expect(diff).not_to be_too_large
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end
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end
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context 'using a diff that is too large' do
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let(:raw_patch) { 'a' * 204800 }
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it 'prunes the diff' do
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expect(diff.diff).to be_empty
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expect(diff).to be_too_large
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end
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end
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context 'using a collapsable diff that is too large' do
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let(:raw_patch) { 'a' * 204800 }
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it 'prunes the diff as a large diff instead of as a collapsed diff' do
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gitaly_diff.too_large = true
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diff = described_class.new(gitaly_diff, expanded: false)
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expect(diff.diff).to be_empty
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expect(diff).to be_too_large
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expect(diff).not_to be_collapsed
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end
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end
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context 'when the patch passed is not UTF-8-encoded' do
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let(:raw_patch) { @raw_diff_hash[:diff].encode(Encoding::ASCII_8BIT) }
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it 'encodes diff patch to UTF-8' do
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expect(diff.diff).to be_utf8
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end
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end
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end
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end
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describe 'straight diffs' do
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let(:options) { { straight: true } }
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let(:diffs) { described_class.between(repository, 'feature', 'master', options) }
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it 'has the correct size' do
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expect(diffs.size).to eq(24)
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end
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context 'diff' do
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it 'is an instance of Diff' do
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expect(diffs.first).to be_kind_of(described_class)
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end
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it 'has the correct new_path' do
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expect(diffs.first.new_path).to eq('.DS_Store')
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end
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it 'has the correct diff' do
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expect(diffs.first.diff).to include('Binary files /dev/null and b/.DS_Store differ')
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end
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end
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end
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describe '.between' do
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let(:diffs) { described_class.between(repository, 'feature', 'master') }
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subject { diffs }
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it { is_expected.to be_kind_of Gitlab::Git::DiffCollection }
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describe '#size' do
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subject { super().size }
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it { is_expected.to eq(1) }
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end
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context 'diff' do
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subject { diffs.first }
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it { is_expected.to be_kind_of described_class }
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describe '#new_path' do
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subject { super().new_path }
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it { is_expected.to eq('files/ruby/feature.rb') }
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end
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describe '#diff' do
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subject { super().diff }
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it { is_expected.to include '+class Feature' }
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end
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end
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end
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describe '.filter_diff_options' do
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let(:options) { { max_files: 100, invalid_opt: true } }
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context "without default options" do
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let(:filtered_options) { described_class.filter_diff_options(options) }
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it "filters invalid options" do
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expect(filtered_options).not_to have_key(:invalid_opt)
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end
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end
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context "with default options" do
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let(:filtered_options) do
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default_options = { max_files: 5, bad_opt: 1, ignore_whitespace_change: true }
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described_class.filter_diff_options(options, default_options)
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end
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it "filters invalid options" do
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expect(filtered_options).not_to have_key(:invalid_opt)
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expect(filtered_options).not_to have_key(:bad_opt)
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end
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it "merges with default options" do
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expect(filtered_options).to have_key(:ignore_whitespace_change)
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end
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it "overrides default options" do
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expect(filtered_options).to have_key(:max_files)
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expect(filtered_options[:max_files]).to eq(100)
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end
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end
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end
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describe '#json_safe_diff' do
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let(:project) { create(:project, :repository) }
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it 'fake binary message when it detects binary' do
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# Rugged will not detect this as binary, but we can fake it
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diff_message = "Binary files files/images/icn-time-tracking.pdf and files/images/icn-time-tracking.pdf differ\n"
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binary_diff = described_class.between(project.repository, 'add-pdf-text-binary', 'add-pdf-text-binary^').first
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expect(binary_diff.diff).not_to be_empty
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expect(binary_diff.json_safe_diff).to eq(diff_message)
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end
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it 'leave non-binary diffs as-is' do
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diff = described_class.new(gitaly_diff)
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expect(diff.json_safe_diff).to eq(diff.diff)
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end
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end
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describe '#submodule?' do
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let(:gitaly_submodule_diff) do
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Gitlab::GitalyClient::Diff.new(
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from_path: 'gitlab-grack',
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to_path: 'gitlab-grack',
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old_mode: 0,
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new_mode: 57344,
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from_id: '0000000000000000000000000000000000000000',
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to_id: '645f6c4c82fd3f5e06f67134450a570b795e55a6',
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overflow_marker: false,
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collapsed: false,
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too_large: false,
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patch: "@@ -0,0 +1 @@\n+Subproject commit 645f6c4c82fd3f5e06f67134450a570b795e55a6\n"
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)
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end
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it { expect(described_class.new(gitaly_diff).submodule?).to eq(false) }
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it { expect(described_class.new(gitaly_submodule_diff).submodule?).to eq(true) }
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end
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describe '#line_count' do
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it 'returns the correct number of lines' do
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diff = described_class.new(gitaly_diff)
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expect(diff.line_count).to eq(7)
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end
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end
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describe '#too_large?' do
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it 'returns true for a diff that is too large' do
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diff = described_class.new(diff: 'a' * 204800)
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expect(diff.too_large?).to eq(true)
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end
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it 'returns false for a diff that is small enough' do
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diff = described_class.new(diff: 'a')
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expect(diff.too_large?).to eq(false)
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end
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it 'returns true for a diff that was explicitly marked as being too large' do
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diff = described_class.new(diff: 'a')
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diff.too_large!
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expect(diff.too_large?).to eq(true)
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end
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end
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describe '#collapsed?' do
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it 'returns false by default even on quite big diff' do
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diff = described_class.new(diff: 'a' * 20480)
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expect(diff).not_to be_collapsed
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end
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it 'returns false by default for a diff that is small enough' do
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diff = described_class.new(diff: 'a')
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expect(diff).not_to be_collapsed
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end
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it 'returns true for a diff that was explicitly marked as being collapsed' do
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diff = described_class.new(diff: 'a')
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diff.collapse!
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expect(diff).to be_collapsed
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end
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end
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describe '#collapsed?' do
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it 'returns true for a diff that is quite large' do
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diff = described_class.new({ diff: 'a' * 20480 }, expanded: false)
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expect(diff).to be_collapsed
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end
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it 'returns false for a diff that is small enough' do
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diff = described_class.new({ diff: 'a' }, expanded: false)
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expect(diff).not_to be_collapsed
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end
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end
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describe '#collapse!' do
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it 'prunes the diff' do
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diff = described_class.new(diff: "foo\nbar")
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diff.collapse!
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expect(diff.diff).to eq('')
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expect(diff.line_count).to eq(0)
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end
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end
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end
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