41 lines
1.9 KiB
Ruby
41 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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require Rails.root.join('db', 'post_migrate', '20200910170908_ensure_filled_external_diff_store_on_merge_request_diffs.rb')
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RSpec.describe EnsureFilledExternalDiffStoreOnMergeRequestDiffs, schema: 20200908095446 do
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let!(:merge_request_diffs) { table(:merge_request_diffs) }
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let!(:merge_requests) { table(:merge_requests) }
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let!(:namespaces) { table(:namespaces) }
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let!(:projects) { table(:projects) }
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let!(:namespace) { namespaces.create!(name: 'foo', path: 'foo') }
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let!(:project) { projects.create!(namespace_id: namespace.id) }
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let!(:merge_request) { merge_requests.create!(source_branch: 'x', target_branch: 'master', target_project_id: project.id) }
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before do
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constraint_name = 'check_93ee616ac9'
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# In order to insert a row with a NULL to fill.
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ActiveRecord::Base.connection.execute "ALTER TABLE merge_request_diffs DROP CONSTRAINT #{constraint_name}"
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@external_diff_store_1 = merge_request_diffs.create!(external_diff_store: 1, merge_request_id: merge_request.id)
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@external_diff_store_2 = merge_request_diffs.create!(external_diff_store: 2, merge_request_id: merge_request.id)
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@external_diff_store_nil = merge_request_diffs.create!(external_diff_store: nil, merge_request_id: merge_request.id)
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# revert DB structure
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ActiveRecord::Base.connection.execute "ALTER TABLE merge_request_diffs ADD CONSTRAINT #{constraint_name} CHECK ((external_diff_store IS NOT NULL)) NOT VALID"
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end
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it 'correctly migrates nil external_diff_store to 1' do
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migrate!
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@external_diff_store_1.reload
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@external_diff_store_2.reload
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@external_diff_store_nil.reload
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expect(@external_diff_store_1.external_diff_store).to eq(1) # unchanged
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expect(@external_diff_store_2.external_diff_store).to eq(2) # unchanged
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expect(@external_diff_store_nil.external_diff_store).to eq(1) # nil => 1
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end
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end
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