84 lines
2.2 KiB
Ruby
84 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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RSpec.describe Migration::TableDropper do
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def table_exists?(table_name)
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DB.exec(<<~SQL) > 0
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SELECT 1
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FROM INFORMATION_SCHEMA.TABLES
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WHERE table_schema = 'public' AND
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table_name = '#{table_name}'
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SQL
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end
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def function_exists?(function_name, schema_name = "public")
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DB.exec(<<~SQL) > 0
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SELECT 1
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FROM information_schema.routines
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WHERE routine_type = 'FUNCTION' AND
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routine_name = '#{function_name}' AND
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specific_schema = '#{schema_name}'
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SQL
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end
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let(:table_name) { "table_with_old_name" }
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before do
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DB.exec "CREATE TABLE #{table_name} (topic_id INTEGER)"
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DB.exec <<~SQL
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INSERT INTO #{table_name} (topic_id) VALUES (1)
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SQL
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end
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describe ".execute_drop" do
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it "should drop the table" do
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Migration::TableDropper.execute_drop(table_name)
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expect(table_exists?(table_name)).to eq(false)
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end
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end
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describe ".readonly_only_table" do
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before { Migration::TableDropper.read_only_table(table_name) }
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after do
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ActiveRecord::Base.connection.reset!
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DB.exec(<<~SQL)
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DROP TABLE IF EXISTS #{table_name};
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DROP FUNCTION IF EXISTS #{Migration::BaseDropper.readonly_function_name(table_name)} CASCADE;
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SQL
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end
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it "should be droppable" do
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Migration::TableDropper.execute_drop(table_name)
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expect(has_trigger?(Migration::BaseDropper.readonly_trigger_name(table_name))).to eq(false)
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expect(table_exists?(table_name)).to eq(false)
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end
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it "should drop the read_only function" do
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Migration::TableDropper.execute_drop(table_name)
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schema_name, function_name =
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Migration::BaseDropper.readonly_function_name(table_name).delete_suffix("()").split(".")
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expect(function_exists?(function_name, schema_name)).to eq(false)
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end
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it "should prevent insertions to the table" do
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begin
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DB.exec <<~SQL
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INSERT INTO #{table_name} (topic_id) VALUES (2)
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SQL
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rescue PG::RaiseException => e
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[
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"Discourse: #{table_name} is read only",
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"discourse_functions.raise_table_with_old_name_readonly()",
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].each { |message| expect(e.message).to include(message) }
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end
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end
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end
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end
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