discourse/spec/lib/db_helper_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
RSpec.describe DbHelper do
describe '.remap' do
it 'should remap columns properly' do
post = Fabricate(:post, cooked: "this is a specialcode that I included")
post_attributes = post.reload.attributes
badge = Fabricate(:badge, query: "specialcode")
badge_attributes = badge.reload.attributes
DbHelper.remap("specialcode", "codespecial")
post.reload
expect(post.cooked).to include("codespecial")
badge.reload
expect(badge.query).to eq("codespecial")
expect(badge_attributes.except("query"))
.to eq(badge.attributes.except("query"))
end
it 'allows tables to be excluded from scanning' do
post = Fabricate(:post, cooked: "test")
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DbHelper.remap("test", "something else", excluded_tables: %w{posts})
expect(post.reload.cooked).to eq('test')
end
it "does not remap readonly columns" do
post = Fabricate(:post, raw: "This is a test", cooked: "This is a test")
Migration::ColumnDropper.mark_readonly("posts", "cooked")
DbHelper.remap("test", "something else")
post.reload
expect(post.raw).to eq("This is a something else")
expect(post.cooked).to eq("This is a test")
DB.exec "DROP FUNCTION #{Migration::BaseDropper.readonly_function_name("posts", "cooked")} CASCADE"
end
end
describe ".regexp_replace" do
it "should remap columns correctly" do
post = Fabricate(:post, raw: "this is a [img]test[/img] post")
DbHelper.regexp_replace("\\[img\\]test\\[/img\\]", "[img]something[/img]")
expect(post.reload.raw).to include("[img]something[/img]")
end
end
end