98 lines
3.3 KiB
Ruby
98 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Projects::Forks::DivergenceCounts, feature_category: :source_code_management do
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include ProjectForksHelper
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let_it_be(:user) { create(:user) }
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describe '#counts', :use_clean_rails_redis_caching do
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let(:source_repo) { create(:project, :repository, :public).repository }
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let(:fork_repo) { fork_project(source_repo.project, user, { repository: true }).repository }
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let(:fork_branch) { 'fork-branch' }
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let(:cache_key) { ['project_forks', fork_repo.project.id, fork_branch, 'divergence_counts'] }
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def expect_cached_counts(value)
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counts = described_class.new(fork_repo.project, fork_branch).counts
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ahead, behind = value
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expect(counts).to eq({ ahead: ahead, behind: behind })
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cached_value = [source_repo.commit.sha, fork_repo.commit(fork_branch).sha, value]
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expect(Rails.cache.read(cache_key)).to eq(cached_value)
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end
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it 'shows how far behind/ahead a fork is from the upstream' do
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fork_repo.create_branch(fork_branch)
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expect_cached_counts([0, 0])
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fork_repo.commit_files(
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user,
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branch_name: fork_branch, message: 'Committing something',
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actions: [{ action: :create, file_path: 'encoding/CHANGELOG', content: 'New file' }]
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)
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expect_cached_counts([1, 0])
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fork_repo.commit_files(
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user,
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branch_name: fork_branch, message: 'Committing something else',
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actions: [{ action: :create, file_path: 'encoding/ONE-MORE-CHANGELOG', content: 'One more new file' }]
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)
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expect_cached_counts([2, 0])
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source_repo.commit_files(
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user,
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branch_name: source_repo.root_ref, message: 'Commit to root ref',
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actions: [{ action: :create, file_path: 'encoding/CHANGELOG', content: 'One more' }]
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)
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expect_cached_counts([2, 1])
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source_repo.commit_files(
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user,
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branch_name: source_repo.root_ref, message: 'Another commit to root ref',
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actions: [{ action: :create, file_path: 'encoding/NEW-CHANGELOG', content: 'One more time' }]
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)
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expect_cached_counts([2, 2])
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# When the fork is too far ahead
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stub_const("#{described_class}::LATEST_COMMITS_COUNT", 1)
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fork_repo.commit_files(
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user,
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branch_name: fork_branch, message: 'Another commit to fork',
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actions: [{ action: :create, file_path: 'encoding/TOO-NEW-CHANGELOG', content: 'New file' }]
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)
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expect_cached_counts(nil)
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end
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context 'when counts calculated from a branch that exists upstream' do
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let(:fork_branch) { 'feature' }
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it 'compares the fork branch to upstream default branch' do
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# The branch itself diverges from the upstream default branch
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expect_cached_counts([1, 29])
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source_repo.commit_files(
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user,
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branch_name: source_repo.root_ref, message: 'Commit to root ref',
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actions: [{ action: :create, file_path: 'encoding/CHANGELOG', content: 'New file' }]
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)
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fork_repo.commit_files(
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user,
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branch_name: fork_branch, message: 'Committing to feature branch',
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actions: [{ action: :create, file_path: 'encoding/FEATURE-BRANCH', content: 'New file' }]
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)
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# It takes into account diverged commits from upstream AND from fork
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expect_cached_counts([2, 30])
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end
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end
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end
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end
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