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Diffstat (limited to 'activerecord/test/cases/result_test.rb')
-rw-r--r-- | activerecord/test/cases/result_test.rb | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/activerecord/test/cases/result_test.rb b/activerecord/test/cases/result_test.rb new file mode 100644 index 0000000000..dec01dfa76 --- /dev/null +++ b/activerecord/test/cases/result_test.rb @@ -0,0 +1,80 @@ +require "cases/helper" + +module ActiveRecord + class ResultTest < ActiveRecord::TestCase + def result + Result.new(['col_1', 'col_2'], [ + ['row 1 col 1', 'row 1 col 2'], + ['row 2 col 1', 'row 2 col 2'], + ['row 3 col 1', 'row 3 col 2'], + ]) + end + + test "length" do + assert_equal 3, result.length + end + + test "to_hash returns row_hashes" do + assert_equal [ + {'col_1' => 'row 1 col 1', 'col_2' => 'row 1 col 2'}, + {'col_1' => 'row 2 col 1', 'col_2' => 'row 2 col 2'}, + {'col_1' => 'row 3 col 1', 'col_2' => 'row 3 col 2'}, + ], result.to_hash + end + + test "each with block returns row hashes" do + result.each do |row| + assert_equal ['col_1', 'col_2'], row.keys + end + end + + test "each without block returns an enumerator" do + result.each.with_index do |row, index| + assert_equal ['col_1', 'col_2'], row.keys + assert_kind_of Integer, index + end + end + + if Enumerator.method_defined? :size + test "each without block returns a sized enumerator" do + assert_equal 3, result.each.size + end + end + + test "cast_values returns rows after type casting" do + values = [["1.1", "2.2"], ["3.3", "4.4"]] + columns = ["col1", "col2"] + types = { "col1" => Type::Integer.new, "col2" => Type::Float.new } + result = Result.new(columns, values, types) + + assert_equal [[1, 2.2], [3, 4.4]], result.cast_values + end + + test "cast_values uses identity type for unknown types" do + values = [["1.1", "2.2"], ["3.3", "4.4"]] + columns = ["col1", "col2"] + types = { "col1" => Type::Integer.new } + result = Result.new(columns, values, types) + + assert_equal [[1, "2.2"], [3, "4.4"]], result.cast_values + end + + test "cast_values returns single dimensional array if single column" do + values = [["1.1"], ["3.3"]] + columns = ["col1"] + types = { "col1" => Type::Integer.new } + result = Result.new(columns, values, types) + + assert_equal [1, 3], result.cast_values + end + + test "cast_values can receive types to use instead" do + values = [["1.1", "2.2"], ["3.3", "4.4"]] + columns = ["col1", "col2"] + types = { "col1" => Type::Integer.new, "col2" => Type::Float.new } + result = Result.new(columns, values, types) + + assert_equal [[1.1, 2.2], [3.3, 4.4]], result.cast_values("col1" => Type::Float.new) + end + end +end |