120 lines
3.8 KiB
Ruby
120 lines
3.8 KiB
Ruby
# frozen_string_literal: true
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require "cases/helper"
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module ActiveRecord
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class ResultTest < ActiveRecord::TestCase
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def result
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Result.new(["col_1", "col_2"], [
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["row 1 col 1", "row 1 col 2"],
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["row 2 col 1", "row 2 col 2"],
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["row 3 col 1", "row 3 col 2"],
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])
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end
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test "includes_column?" do
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assert result.includes_column?("col_1")
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assert_not result.includes_column?("foo")
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end
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test "length" do
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assert_equal 3, result.length
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end
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test "to_a returns row_hashes" do
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assert_equal [
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{ "col_1" => "row 1 col 1", "col_2" => "row 1 col 2" },
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{ "col_1" => "row 2 col 1", "col_2" => "row 2 col 2" },
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{ "col_1" => "row 3 col 1", "col_2" => "row 3 col 2" },
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], result.to_a
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end
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test "first returns first row as a hash" do
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assert_equal(
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{ "col_1" => "row 1 col 1", "col_2" => "row 1 col 2" }, result.first)
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assert_equal [
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{ "col_1" => "row 1 col 1", "col_2" => "row 1 col 2" },
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], result.first(1)
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assert_equal [
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{ "col_1" => "row 1 col 1", "col_2" => "row 1 col 2" },
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{ "col_1" => "row 2 col 1", "col_2" => "row 2 col 2" },
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], result.first(2)
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assert_equal [
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{ "col_1" => "row 1 col 1", "col_2" => "row 1 col 2" },
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{ "col_1" => "row 2 col 1", "col_2" => "row 2 col 2" },
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{ "col_1" => "row 3 col 1", "col_2" => "row 3 col 2" },
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], result.first(3)
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end
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test "last returns last row as a hash" do
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assert_equal(
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{ "col_1" => "row 3 col 1", "col_2" => "row 3 col 2" }, result.last)
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assert_equal [
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{ "col_1" => "row 3 col 1", "col_2" => "row 3 col 2" },
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], result.last(1)
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assert_equal [
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{ "col_1" => "row 2 col 1", "col_2" => "row 2 col 2" },
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{ "col_1" => "row 3 col 1", "col_2" => "row 3 col 2" },
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], result.last(2)
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assert_equal [
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{ "col_1" => "row 1 col 1", "col_2" => "row 1 col 2" },
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{ "col_1" => "row 2 col 1", "col_2" => "row 2 col 2" },
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{ "col_1" => "row 3 col 1", "col_2" => "row 3 col 2" },
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], result.last(3)
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end
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test "each with block returns row hashes" do
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result.each do |row|
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assert_equal ["col_1", "col_2"], row.keys
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end
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end
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test "each without block returns an enumerator" do
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result.each.with_index do |row, index|
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assert_equal ["col_1", "col_2"], row.keys
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assert_kind_of Integer, index
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end
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end
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test "each without block returns a sized enumerator" do
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assert_equal 3, result.each.size
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end
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test "cast_values returns rows after type casting" do
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values = [["1.1", "2.2"], ["3.3", "4.4"]]
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columns = ["col1", "col2"]
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types = { "col1" => Type::Integer.new, "col2" => Type::Float.new }
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result = Result.new(columns, values, types)
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assert_equal [[1, 2.2], [3, 4.4]], result.cast_values
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end
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test "cast_values uses identity type for unknown types" do
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values = [["1.1", "2.2"], ["3.3", "4.4"]]
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columns = ["col1", "col2"]
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types = { "col1" => Type::Integer.new }
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result = Result.new(columns, values, types)
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assert_equal [[1, "2.2"], [3, "4.4"]], result.cast_values
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end
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test "cast_values returns single dimensional array if single column" do
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values = [["1.1"], ["3.3"]]
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columns = ["col1"]
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types = { "col1" => Type::Integer.new }
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result = Result.new(columns, values, types)
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assert_equal [1, 3], result.cast_values
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end
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test "cast_values can receive types to use instead" do
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values = [["1.1", "2.2"], ["3.3", "4.4"]]
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columns = ["col1", "col2"]
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types = { "col1" => Type::Integer.new, "col2" => Type::Float.new }
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result = Result.new(columns, values, types)
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assert_equal [[1.1, 2.2], [3.3, 4.4]], result.cast_values("col1" => Type::Float.new)
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end
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end
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end
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