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-rw-r--r--activerecord/lib/active_record/migration.rb2
-rw-r--r--activerecord/test/cases/migration_test.rb3
2 files changed, 4 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 4419a7b1e7..245c05f3e0 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -528,7 +528,7 @@ module ActiveRecord
name = "V#{version.tr('.', '_')}"
unless Compatibility.const_defined?(name)
versions = Compatibility.constants.grep(/\AV[0-9_]+\z/).map { |s| s.to_s.delete('V').tr('_', '.').inspect }
- raise "Unknown migration version #{version.inspect}; expected one of #{versions.sort.join(', ')}"
+ raise ArgumentError, "Unknown migration version #{version.inspect}; expected one of #{versions.sort.join(', ')}"
end
Compatibility.const_get(name)
end
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index 6a6250eec3..5a6d2ce80c 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -1107,4 +1107,7 @@ class CopyMigrationsTest < ActiveRecord::TestCase
ActiveRecord::Base.logger = old
end
+ def test_unknown_migration_version_should_raise_an_argument_error
+ assert_raise(ArgumentError) { ActiveRecord::Migration[1.0] }
+ end
end