67 lines
2.0 KiB
Ruby
67 lines
2.0 KiB
Ruby
require 'rails_helper'
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require 'table_migration_helper'
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describe TableMigrationHelper do
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def table_exists?(table_name)
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sql = <<-SQL
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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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ActiveRecord::Base.exec_sql(sql).to_a.length > 0
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end
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describe '#delayed_drop' do
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it "can drop a table after correct delay and when new table exists" do
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ActiveRecord::Base.exec_sql "CREATE TABLE table_with_old_name (topic_id INTEGER)"
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name = ActiveRecord::Base
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.exec_sql("SELECT name FROM schema_migration_details LIMIT 1")
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.getvalue(0, 0)
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Topic.exec_sql("UPDATE schema_migration_details SET created_at = :created_at WHERE name = :name",
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name: name, created_at: 15.minutes.ago)
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dropped_proc_called = false
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described_class.delayed_drop(
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old_name: 'table_with_old_name',
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new_name: 'table_with_new_name',
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after_migration: name,
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delay: 20.minutes,
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on_drop: ->() { dropped_proc_called = true }
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)
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expect(table_exists?('table_with_old_name')).to eq(true)
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expect(dropped_proc_called).to eq(false)
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described_class.delayed_drop(
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old_name: 'table_with_old_name',
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new_name: 'table_with_new_name',
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after_migration: name,
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delay: 10.minutes,
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on_drop: ->() { dropped_proc_called = true }
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)
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expect(table_exists?('table_with_old_name')).to eq(true)
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expect(dropped_proc_called).to eq(false)
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ActiveRecord::Base.exec_sql "CREATE TABLE table_with_new_name (topic_id INTEGER)"
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described_class.delayed_drop(
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old_name: 'table_with_old_name',
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new_name: 'table_with_new_name',
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after_migration: name,
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delay: 10.minutes,
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on_drop: ->() { dropped_proc_called = true }
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)
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expect(table_exists?('table_with_old_name')).to eq(false)
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expect(dropped_proc_called).to eq(true)
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end
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end
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end
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