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Rails 6.1: Coerce test to handle default case-insensitive collation #915

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Apr 27, 2021
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Rails 6.1: Coerce test to handle default case-insensitive collation #915

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22 changes: 22 additions & 0 deletions test/cases/coerced_tests.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,28 @@ def test_validate_uniqueness_with_limit_and_utf8_coerced
end
end
end

# Same as original coerced test except that it handles default SQL Server case-insensitive collation.
coerce_tests! :test_validate_uniqueness_by_default_database_collation
def test_validate_uniqueness_by_default_database_collation_coerced
Topic.validates_uniqueness_of(:author_email_address)

topic1 = Topic.new(author_email_address: "[email protected]")
topic2 = Topic.new(author_email_address: "[email protected]")

assert_equal 1, Topic.where(author_email_address: "[email protected]").count

assert_not topic1.valid?
assert_not topic1.save

# Case insensitive collation (SQL_Latin1_General_CP1_CI_AS) by default.
# Should not allow "David" if "david" exists.
assert_not topic2.valid?
assert_not topic2.save

assert_equal 1, Topic.where(author_email_address: "[email protected]").count
assert_equal 1, Topic.where(author_email_address: "[email protected]").count
end
end

require "models/event"
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