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130 lines
5.1 KiB
Ruby
130 lines
5.1 KiB
Ruby
require 'cases/helper'
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require 'support/schema_dumping_helper'
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if ActiveRecord::Base.connection.supports_comments?
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class CommentTest < ActiveRecord::TestCase
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include SchemaDumpingHelper
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self.use_transactional_tests = false if current_adapter?(:Mysql2Adapter)
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class Commented < ActiveRecord::Base
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self.table_name = 'commenteds'
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end
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class BlankComment < ActiveRecord::Base
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end
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setup do
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@connection = ActiveRecord::Base.connection
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@connection.create_table('commenteds', comment: 'A table with comment', force: true) do |t|
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t.string 'name', comment: 'Comment should help clarify the column purpose'
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t.boolean 'obvious', comment: 'Question is: should you comment obviously named objects?'
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t.string 'content'
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t.index 'name', comment: %Q["Very important" index that powers all the performance.\nAnd it's fun!]
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end
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@connection.create_table('blank_comments', comment: ' ', force: true) do |t|
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t.string :space_comment, comment: ' '
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t.string :empty_comment, comment: ''
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t.string :nil_comment, comment: nil
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t.string :absent_comment
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end
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Commented.reset_column_information
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BlankComment.reset_column_information
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end
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teardown do
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@connection.drop_table 'commenteds', if_exists: true
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@connection.drop_table 'blank_comments', if_exists: true
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end
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def test_column_created_in_block
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column = Commented.columns_hash['name']
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assert_equal :string, column.type
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assert_equal 'Comment should help clarify the column purpose', column.comment
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end
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def test_blank_columns_created_in_block
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%w[ space_comment empty_comment nil_comment absent_comment ].each do |field|
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column = BlankComment.columns_hash[field]
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assert_equal :string, column.type
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assert_nil column.comment
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end
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end
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def test_add_column_with_comment_later
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@connection.add_column :commenteds, :rating, :integer, comment: 'I am running out of imagination'
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Commented.reset_column_information
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column = Commented.columns_hash['rating']
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assert_equal :integer, column.type
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assert_equal 'I am running out of imagination', column.comment
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end
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def test_add_index_with_comment_later
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@connection.add_index :commenteds, :obvious, name: 'idx_obvious', comment: 'We need to see obvious comments'
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index = @connection.indexes('commenteds').find { |idef| idef.name == 'idx_obvious' }
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assert_equal 'We need to see obvious comments', index.comment
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end
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def test_add_comment_to_column
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@connection.change_column :commenteds, :content, :string, comment: 'Whoa, content describes itself!'
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Commented.reset_column_information
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column = Commented.columns_hash['content']
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assert_equal :string, column.type
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assert_equal 'Whoa, content describes itself!', column.comment
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end
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def test_remove_comment_from_column
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@connection.change_column :commenteds, :obvious, :string, comment: nil
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Commented.reset_column_information
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column = Commented.columns_hash['obvious']
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assert_equal :string, column.type
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assert_nil column.comment
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end
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def test_schema_dump_with_comments
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# Do all the stuff from other tests
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@connection.add_column :commenteds, :rating, :integer, comment: 'I am running out of imagination'
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@connection.change_column :commenteds, :content, :string, comment: 'Whoa, content describes itself!'
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@connection.change_column :commenteds, :obvious, :string, comment: nil
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@connection.add_index :commenteds, :obvious, name: 'idx_obvious', comment: 'We need to see obvious comments'
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# And check that these changes are reflected in dump
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output = dump_table_schema 'commenteds'
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assert_match %r[create_table "commenteds",.+\s+comment: "A table with comment"], output
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assert_match %r[t\.string\s+"name",\s+comment: "Comment should help clarify the column purpose"], output
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assert_match %r[t\.string\s+"obvious"\n], output
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assert_match %r[t\.string\s+"content",\s+comment: "Whoa, content describes itself!"], output
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assert_match %r[t\.integer\s+"rating",\s+comment: "I am running out of imagination"], output
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assert_match %r[add_index\s+.+\s+comment: "\\\"Very important\\\" index that powers all the performance.\\nAnd it's fun!"], output
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assert_match %r[add_index\s+.+\s+name: "idx_obvious",.+\s+comment: "We need to see obvious comments"], output
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end
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def test_schema_dump_omits_blank_comments
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output = dump_table_schema 'blank_comments'
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assert_match %r[create_table "blank_comments"], output
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assert_no_match %r[create_table "blank_comments",.+comment:], output
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assert_match %r[t\.string\s+"space_comment"\n], output
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assert_no_match %r[t\.string\s+"space_comment", comment:\n], output
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assert_match %r[t\.string\s+"empty_comment"\n], output
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assert_no_match %r[t\.string\s+"empty_comment", comment:\n], output
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assert_match %r[t\.string\s+"nil_comment"\n], output
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assert_no_match %r[t\.string\s+"nil_comment", comment:\n], output
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assert_match %r[t\.string\s+"absent_comment"\n], output
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assert_no_match %r[t\.string\s+"absent_comment", comment:\n], output
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end
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end
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end # if ActiveRecord::Base.connection.supports_comments?
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