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$: << 'lib'
require 'test/unit'
require "dbi/sql"
# ====================================================================
class TestSqlBind < Test::Unit::TestCase
def bind(quoter, sql, args)
ps = DBI::SQL::PreparedStatement.new(quoter, sql)
ps.bind(DBI::Utils::ConvParam.conv_param('default', *args))
end
def test_one
assert_equal "10", bind(self, "?", [10])
assert_equal "'hi'", bind(self, "?", ["hi"])
assert_equal "I 'don''t' know", bind(self, "I ? know", ["don't"])
end
def test_many
assert_equal "WHERE age=12 AND name='Jim'",
bind(self, "WHERE age=? AND name=?", [12, 'Jim'])
end
def test_too_many
assert_raises (RuntimeError) {
bind(self, "age=?", [10, 11])
}
end
def test_too_few
assert_raises (RuntimeError) {
bind(self, "age in (?, ?, ?)", [10, 11])
}
end
def test_embedded_questions
assert_equal "10 ? 11", bind(self, "? ?? ?", [10, 11])
assert_equal "????", bind(self, "????????", [])
end
def test_questions_in_param
assert_equal "WHERE c='connected?'",
bind(self, "WHERE c=?", ["connected?"])
assert_equal "WHERE c='connected?' AND d='???'",
bind(self, "WHERE c=? AND d=?", ["connected?", "???"])
end
def test_questions_in_quotes
assert_equal "WHERE c='connected?' AND d=10",
bind(self, "WHERE c='connected?' AND d=?", [10])
end
def test_comment_dan
sql = %{--Dan's query\n--random comment\nselect column1, column2\nfrom table1\nwhere somevalue = ?}
res = %{--Dan's query\n--random comment\nselect column1, column2\nfrom table1\nwhere somevalue = 10}
assert_equal res, bind(self, sql, [10])
end
def test_minus_bug
sql = "SELECT 1 - 3"
res = "SELECT 1 - 3"
assert_equal res, bind(self, sql, [])
end
def test_minus2
sql = "SELECT * from test --Dan's query"
assert_equal sql, bind(self, sql, [])
end
def test_slash
sql = "SELECT 5 / 4"
res = "SELECT 5 / 4"
assert_equal res, bind(self, sql, [])
end
def test_much
sql = <<ENDSQL
SELECT s.id, cwajga_magic_number((cwajga_product(r.rating) ^ (1 / 1)), MAX(lastplay.lastheard), 5) as magic
INTO TEMP magic_order
FROM song AS s LEFT OUTER JOIN rating AS r ON s.id = r.song LEFT OUTER JOIN last play ON lastplay.song = s.id
WHERE r.name ILIKE 'omega697'
GROUP BY s.id;
SELECT SUM(magic) as total INTO TEMP magic_tot FROM magic_order;
SELECT id, 100.0*magic/total as percent
FROM magic_order, magic_tot
order by percent;
ENDSQL
res = sql
assert_equal res, bind(self, sql, [])
end
def test_nested_insert
sql = "insert into logins (user_id, hostmask) values ((select id from users where username = ?), ?)"
res = sql.sub(/\?/, "1")
res.sub!(/\?/, "'foo@bar'")
assert_equal res, bind(self, sql, [1, "foo@bar"])
end
end
######################################################################
class TestLex < Test::Unit::TestCase
def tokens(sql)
DBI::SQL::PreparedStatement.tokens(sql)
end
def test_non_strings
assert_equal ['This is _a t35t'],
tokens("This is _a t35t")
end
def test_simple_strings
assert_equal ["hi ", "'hello world'"],
tokens("hi 'hello world'")
assert_equal ["c = ", "''"],
tokens("c = ''")
end
def test_strings_with_quotes
assert_equal ["hi ", "'''lo world'"],
tokens("hi '''lo world'")
assert_equal ['a', "''''", 'b'],
tokens("a''''b")
end
def test_strings_with_escaped_quotes
assert_equal ["hi ", "'don\\'t do that'"],
tokens("hi 'don\\'t do that'")
assert_equal ['a', "'\\''", 'b'],
tokens("a'\\''b")
end
def test_simple_dq_strings
assert_equal ["hi ", '"hello world"'],
tokens('hi "hello world"')
assert_equal ["c = ", '""'],
tokens('c = ""')
end
def test_dq_strings_with_quotes
assert_equal ["hi ", '"""lo world"'],
tokens('hi """lo world"')
assert_equal ['a', '""""', 'b'],
tokens('a""""b')
end
def test_dq_strings_with_escaped_quotes
assert_equal ["hi ", '"don\"t do that"'],
tokens('hi "don\"t do that"')
assert_equal ['a', '"\""', 'b'],
tokens('a"\""b')
end
def test_qmarks
assert_equal ["a = ", "?"],
tokens("a = ?")
assert_equal ["'?'", " = ", "?"],
tokens("'?' = ?")
assert_equal ["'?'", " = ", "??"],
tokens("'?' = ??")
end
end
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