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[112] Detect SQLite3 version on JRuby

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This commit is contained in:
Holger Just 2011-05-22 18:56:10 +02:00
parent 79ed4920cf
commit 18247a6c58
2 changed files with 47 additions and 12 deletions
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10
lib/chili_project/database.rb
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@ -66,10 +66,14 @@ module ChiliProject
version = ActiveRecord::Base.connection.select_value('SELECT version()')
raw ? version : version.match(/^PostgreSQL (\S+)/i)[1]
when :sqlite
if SQLite3.const_defined? 'SQLITE_VERSION'
SQLite3::SQLITE_VERSION
if RUBY_ENGINE == 'jruby'
Jdbc::SQLite3::VERSION
else
SQLite3::Driver::Native::API.sqlite3_libversion
if SQLite3.const_defined? 'SQLITE_VERSION'
SQLite3::SQLITE_VERSION
else
SQLite3::Driver::Native::API.sqlite3_libversion
end
end
end
end

49
test/unit/lib/chili_project/database_test.rb
View File

@ -36,22 +36,53 @@ class ChiliProject::DatabaseTest < ActiveSupport::TestCase
begin
ChiliProject::Database.stubs(:adapter_name).returns "SQLite"
# if we run the tests on sqlite, just stub the version method
if Object.const_defined? 'SQLite3'
SQLite3::Driver::Native::API.stubs(:sqlite3_libversion).returns "1.2.3"
if RUBY_ENGINE == 'jruby'
# If we have the SQLite3 gem installed, save the old constant
if Object.const_defined?('Jdbc') && Jdbc::SQLite3.const_defined?('SQLite3')
sqlite3_version = Jdbc::SQLite3::VERSION
# else create the module for this test
else
module ::Jdbc; module SQLite3; end ;end
created_module = true
end
silence_warnings { ::Jdbc::SQLite3.const_set('VERSION', "1.2.3") }
else
# if we don't have any sqlite3 module, stub the whole module
module ::SQLite3; module Driver; module Native; module API
def self.sqlite3_libversion; "1.2.3"; end
end; end; end; end
created_stub = true
# If we run the tests on a newer SQLite3, stub the VERSION constant
if Object.const_defined?('SQLite3') && SQLite3.const_defined?('SQLITE_VERSION')
sqlite3_version = SQLite3::SQLITE_VERSION
silence_warnings { ::SQLite3.const_set('SQLITE_VERSION', "1.2.3") }
# On an older SQLite3, stub the C-provided sqlite3_libversion method
elsif %w(SQLite3 Driver Native API).inject(Object){ |m, defined|
m = (m && m.const_defined?(defined)) ? m.const_get(defined) : false
}
SQLite3::Driver::Native::API.stubs('sqlite3_libversion').returns "1.2.3"
# Fallback if nothing else worked: Stub the old SQLite3 API
else
# if we don't have any sqlite3 module, stub the whole module
module ::SQLite3; module Driver; module Native; module API
def self.sqlite3_libversion; "1.2.3"; end
end; end; end; end
created_module = true
end
end
assert_equal "1.2.3", ChiliProject::Database.version
assert_equal "1.2.3", ChiliProject::Database.version(true)
ensure
# Clean up after us
Object.instance_eval{remove_const :SQLite3 } if created_stub
if RUBY_ENGINE == 'jruby'
if created_module
Jdbc.instance_eval{remove_const 'SQLite3' }
elsif sqlite3_version
silence_warnings { Jdbc::SQLite3.const_set('VERSION', sqlite3_version) }
end
else
if created_module
Object.instance_eval{remove_const 'SQLite3' }
elsif sqlite3_version
silence_warnings { SQLite3.const_set('SQLITE_VERSION', sqlite3_version) }
end
end
end
end