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53 lines
1.4 KiB
Ruby
53 lines
1.4 KiB
Ruby
require 'rails_helper'
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require 'column_dropper'
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describe ColumnDropper do
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def has_column?(table, column)
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Topic.exec_sql("SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
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WHERE
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table_schema = 'public' AND
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table_name = :table AND
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column_name = :column
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",
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table: table, column: column
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).to_a.length == 1
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end
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it "can correctly drop columns after correct delay" do
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Topic.exec_sql "ALTER TABLE topics ADD COLUMN junk int"
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name = Topic
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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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ColumnDropper.drop(
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table: 'topics',
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after_migration: name,
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columns: ['junk'],
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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(has_column?('topics', 'junk')).to eq(true)
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expect(dropped_proc_called).to eq(false)
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ColumnDropper.drop(
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table: 'topics',
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after_migration: name,
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columns: ['junk'],
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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(has_column?('topics', 'junk')).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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