Added test folder

Andrew Kane
1 parent ef5976c4
Showing 3 changed files with 358 additions and 0 deletions Show diff stats
test/mysql_test.rb
test/postgresql_test.rb
test/test_helper.rb
@@ -0,0 +1,22 @@
+require "test_helper"
+
+class TestMysql < Minitest::Test
+  include TestGroupdate
+
+  def setup
+    User.establish_connection :adapter => "mysql2", :database => "groupdate_test", :username => "root"
+  end
+
+  def time_key(key)
+    if RUBY_PLATFORM == "java"
+      key.strftime("%Y-%m-%d %H:%M:%S").gsub(/ 00\:00\:00\z/, "")
+    else
+      key
+    end
+  end
+
+  def number_key(key)
+    key
+  end
+
+end
@@ -0,0 +1,30 @@
+require "test_helper"
+
+class TestPostgresql < Minitest::Test
+  include TestGroupdate
+
+  def setup
+    User.establish_connection :adapter => "postgresql", :database => "groupdate_test"
+  end
+
+  def time_key(key)
+    if RUBY_PLATFORM == "java"
+      key.utc.strftime("%Y-%m-%d %H:%M:%S%z")[0..-3]
+    else
+      if ActiveRecord::VERSION::MAJOR == 3
+        key.utc.strftime("%Y-%m-%d %H:%M:%S+00")
+      else
+        key
+      end
+    end
+  end
+
+  def number_key(key)
+    if RUBY_PLATFORM != "java" and ActiveRecord::VERSION::MAJOR == 3
+      key.to_s
+    else
+      key
+    end
+  end
+
+end
@@ -0,0 +1,306 @@
+require "bundler/setup"
+Bundler.require(:default)
+require "minitest/autorun"
+require "minitest/pride"
+require "logger"
+
+# for debugging
+# ActiveRecord::Base.logger = Logger.new(STDOUT)
+
+# rails does this in activerecord/lib/active_record/railtie.rb
+ActiveRecord::Base.default_timezone = :utc
+ActiveRecord::Base.time_zone_aware_attributes = true
+
+class User < ActiveRecord::Base
+end
+
+# migrations
+%w(postgresql mysql2).each do |adapter|
+  ActiveRecord::Base.establish_connection :adapter => adapter, :database => "groupdate_test", :username => adapter == "mysql2" ? "root" : nil
+
+  unless ActiveRecord::Base.connection.table_exists? "users"
+    ActiveRecord::Migration.create_table :users do |t|
+      t.string :name
+      t.integer :score
+      t.timestamps
+    end
+  end
+end
+
+module TestGroupdate
+
+  # second
+
+  def test_second_end_of_second
+    assert_result_time :second, "2013-05-03 00:00:00 UTC", "2013-05-03 00:00:00.999"
+  end
+
+  def test_second_start_of_second
+    assert_result_time :second, "2013-05-03 00:00:01 UTC", "2013-05-03 00:00:01.000"
+  end
+
+  # minute
+
+  def test_minute_end_of_minute
+    assert_result_time :minute, "2013-05-03 00:00:00 UTC", "2013-05-03 00:00:59"
+  end
+
+  def test_minute_start_of_minute
+    assert_result_time :minute, "2013-05-03 00:01:00 UTC", "2013-05-03 00:01:00"
+  end
+
+  # hour
+
+  def test_hour_end_of_hour
+    assert_result_time :hour, "2013-05-03 00:00:00 UTC", "2013-05-03 00:59:59"
+  end
+
+  def test_hour_start_of_hour
+    assert_result_time :hour, "2013-05-03 01:00:00 UTC", "2013-05-03 01:00:00"
+  end
+
+  # day
+
+  def test_day_end_of_day
+    assert_result_time :day, "2013-05-03 00:00:00 UTC", "2013-05-03 23:59:59"
+  end
+
+  def test_day_start_of_day
+    assert_result_time :day, "2013-05-04 00:00:00 UTC", "2013-05-04 00:00:00"
+  end
+
+  def test_day_end_of_day_with_time_zone
+    assert_result_time :day, "2013-05-02 00:00:00 PDT", "2013-05-03 06:59:59", true
+  end
+
+  def test_day_start_of_day_with_time_zone
+    assert_result_time :day, "2013-05-03 00:00:00 PDT", "2013-05-03 07:00:00", true
+  end
+
+  # week
+
+  def test_week_end_of_week
+    assert_result_time :week, "2013-03-17 00:00:00 UTC", "2013-03-23 23:59:59"
+  end
+
+  def test_week_start_of_week
+    assert_result_time :week, "2013-03-24 00:00:00 UTC", "2013-03-24 00:00:00"
+  end
+
+  def test_week_end_of_week_with_time_zone
+    assert_result_time :week, "2013-03-10 00:00:00 PST", "2013-03-17 06:59:59", true
+  end
+
+  def test_week_start_of_week_with_time_zone
+    assert_result_time :week, "2013-03-17 00:00:00 PDT", "2013-03-17 07:00:00", true
+  end
+
+  # month
+
+  def test_month_end_of_month
+    assert_result_time :month, "2013-05-01 00:00:00 UTC", "2013-05-31 23:59:59"
+  end
+
+  def test_month_start_of_month
+    assert_result_time :month, "2013-06-01 00:00:00 UTC", "2013-06-01 00:00:00"
+  end
+
+  def test_month_end_of_month_with_time_zone
+    assert_result_time :month, "2013-05-01 00:00:00 PDT", "2013-06-01 06:59:59", true
+  end
+
+  def test_month_start_of_month_with_time_zone
+    assert_result_time :month, "2013-06-01 00:00:00 PDT", "2013-06-01 07:00:00", true
+  end
+
+  # year
+
+  def test_year_end_of_year
+    assert_result_time :year, "2013-01-01 00:00:00 UTC", "2013-12-31 23:59:59"
+  end
+
+  def test_year_start_of_year
+    assert_result_time :year, "2014-01-01 00:00:00 UTC", "2014-01-01 00:00:00"
+  end
+
+  def test_year_end_of_year_with_time_zone
+    assert_result_time :year, "2013-01-01 00:00:00 PST", "2014-01-01 07:59:59", true
+  end
+
+  def test_year_start_of_year_with_time_zone
+    assert_result_time :year, "2014-01-01 00:00:00 PST", "2014-01-01 08:00:00", true
+  end
+
+  # hour of day
+
+  def test_hour_of_day_end_of_hour
+    assert_result :hour_of_day, 0, "2013-01-01 00:59:59"
+  end
+
+  def test_hour_of_day_start_of_hour
+    assert_result :hour_of_day, 1, "2013-01-01 01:00:00"
+  end
+
+  def test_hour_of_day_end_of_hour_with_time_zone
+    assert_result :hour_of_day, 0, "2013-01-01 08:59:59", true
+  end
+
+  def test_hour_of_day_start_of_hour_with_time_zone
+    assert_result :hour_of_day, 1, "2013-01-01 09:00:00", true
+  end
+
+  # day of week
+
+  def test_day_of_week_end_of_day
+    assert_result :day_of_week, 2, "2013-01-01 23:59:59"
+  end
+
+  def test_day_of_week_start_of_day
+    assert_result :day_of_week, 3, "2013-01-02 00:00:00"
+  end
+
+  def test_day_of_week_end_of_week_with_time_zone
+    assert_result :day_of_week, 2, "2013-01-02 07:59:59", true
+  end
+
+  def test_day_of_week_start_of_week_with_time_zone
+    assert_result :day_of_week, 3, "2013-01-02 08:00:00", true
+  end
+
+  # zeros
+
+  def test_zeros_second
+    assert_zeros :second, "2013-05-01 00:00:01 UTC", ["2013-05-01 00:00:00 UTC", "2013-05-01 00:00:01 UTC", "2013-05-01 00:00:02 UTC"], "2013-05-01 00:00:00.999 UTC", "2013-05-01 00:00:02 UTC"
+  end
+
+  def test_zeros_minute
+    assert_zeros :minute, "2013-05-01 00:01:00 UTC", ["2013-05-01 00:00:00 UTC", "2013-05-01 00:01:00 UTC", "2013-05-01 00:02:00 UTC"], "2013-05-01 00:00:59 UTC", "2013-05-01 00:02:00 UTC"
+  end
+
+  def test_zeros_hour
+    assert_zeros :hour, "2013-05-01 04:01:01 UTC", ["2013-05-01 03:00:00 UTC", "2013-05-01 04:00:00 UTC", "2013-05-01 05:00:00 UTC"], "2013-05-01 03:59:59 UTC", "2013-05-01 05:00:00 UTC"
+  end
+
+  def test_zeros_day
+    assert_zeros :day, "2013-05-01 20:00:00 UTC", ["2013-04-30 00:00:00 UTC", "2013-05-01 00:00:00 UTC", "2013-05-02 00:00:00 UTC"], "2013-04-30 00:00:00 UTC", "2013-05-02 23:59:59 UTC"
+  end
+
+  def test_zeros_day_time_zone
+    assert_zeros :day, "2013-05-01 20:00:00 PDT", ["2013-04-30 00:00:00 PDT", "2013-05-01 00:00:00 PDT", "2013-05-02 00:00:00 PDT"], "2013-04-30 00:00:00 PDT", "2013-05-02 23:59:59 PDT", true
+  end
+
+  def test_zeros_week
+    assert_zeros :week, "2013-05-01 20:00:00 UTC", ["2013-04-21 00:00:00 UTC", "2013-04-28 00:00:00 UTC", "2013-05-05 00:00:00 UTC"], "2013-04-27 23:59:59 UTC", "2013-05-11 23:59:59 UTC"
+  end
+
+  def test_zeros_week_time_zone
+    assert_zeros :week, "2013-05-01 20:00:00 PDT", ["2013-04-21 00:00:00 PDT", "2013-04-28 00:00:00 PDT", "2013-05-05 00:00:00 PDT"], "2013-04-27 23:59:59 PDT", "2013-05-11 23:59:59 PDT", true
+  end
+
+  def test_zeros_month
+    assert_zeros :month, "2013-04-16 20:00:00 UTC", ["2013-03-01 00:00:00 UTC", "2013-04-01 00:00:00 UTC", "2013-05-01 00:00:00 UTC"], "2013-03-01 00:00:00 UTC", "2013-05-31 23:59:59 UTC"
+  end
+
+  def test_zeros_month_time_zone
+    assert_zeros :month, "2013-04-16 20:00:00 PDT", ["2013-03-01 00:00:00 PST", "2013-04-01 00:00:00 PDT", "2013-05-01 00:00:00 PDT"], "2013-03-01 00:00:00 PST", "2013-05-31 23:59:59 PDT", true
+  end
+
+  def test_zeros_year
+    assert_zeros :year, "2013-04-16 20:00:00 UTC", ["2012-01-01 00:00:00 UTC", "2013-01-01 00:00:00 UTC", "2014-01-01 00:00:00 UTC"], "2012-01-01 00:00:00 UTC", "2014-12-31 23:59:59 UTC"
+  end
+
+  def test_zeros_year_time_zone
+    assert_zeros :year, "2013-04-16 20:00:00 PDT", ["2012-01-01 00:00:00 PST", "2013-01-01 00:00:00 PST", "2014-01-01 00:00:00 PST"], "2012-01-01 00:00:00 PST", "2014-12-31 23:59:59 PST", true
+  end
+
+  def test_zeros_day_of_week
+    create_user "2013-05-01 00:00:00 UTC"
+    expected = {}
+    7.times do |n|
+      expected[n] = n == 3 ? 1 : 0
+    end
+    assert_equal(expected, User.group_by_day_of_week(:created_at, Time.zone, true).count(:created_at))
+  end
+
+  def test_zeros_hour_of_day
+    create_user "2013-05-01 20:00:00 UTC"
+    expected = {}
+    24.times do |n|
+      expected[n] = n == 20 ? 1 : 0
+    end
+    assert_equal(expected, User.group_by_hour_of_day(:created_at, Time.zone, true).count(:created_at))
+  end
+
+  def test_zeros_excludes_end
+    create_user "2013-05-02 00:00:00 UTC"
+    expected = {
+      Time.parse("2013-05-01 00:00:00 UTC") => 0
+    }
+    assert_equal(expected, User.group_by_day(:created_at, Time.zone, Time.parse("2013-05-01 00:00:00 UTC")...Time.parse("2013-05-02 00:00:00 UTC")).count)
+  end
+
+  def test_zeros_previous_scope
+    create_user "2013-05-01 00:00:00 UTC"
+    expected = {
+      Time.parse("2013-05-01 00:00:00 UTC") => 0
+    }
+    assert_equal(expected, User.where("id = 0").group_by_day(:created_at, Time.zone, Time.parse("2013-05-01 00:00:00 UTC")..Time.parse("2013-05-01 23:59:59 UTC")).count)
+  end
+
+  # misc
+
+  def test_order_day
+    assert_equal({}, User.group_by_day(:created_at).order("day desc").limit(20).count)
+  end
+
+  def test_order_week
+    assert_equal({}, User.group_by_week(:created_at).order("week asc").count)
+  end
+
+  def test_order_hour_of_day
+    assert_equal({}, User.group_by_hour_of_day(:created_at).order("hour_of_day desc").count)
+  end
+
+  def test_table_name
+    assert_equal({}, User.group_by_day("users.created_at").count)
+  end
+
+  def test_previous_scopes
+    create_user "2013-05-01 00:00:00 UTC"
+    assert_equal({}, User.where("id = 0").group_by_day(:created_at).count)
+  end
+
+  # helpers
+
+  def assert_result_time(method, expected, time_str, time_zone = false)
+    assert_result method, Time.parse(expected), time_str, time_zone
+  end
+
+  def assert_result(method, expected, time_str, time_zone = false)
+    create_user time_str
+    expected = expected.is_a?(Time) ? time_key(expected) : number_key(expected)
+    assert_equal(ordered_hash({expected => 1}), User.send(:"group_by_#{method}", :created_at, time_zone ? "Pacific Time (US & Canada)" : nil).order(method.to_s).count)
+  end
+
+  def assert_zeros(method, created_at, keys, range_start, range_end, time_zone = nil)
+    create_user created_at
+    expected = {}
+    keys.each_with_index do |key, i|
+      expected[Time.parse(key)] = i == 1 ? 1 : 0
+    end
+    assert_equal(expected, User.send(:"group_by_#{method}", :created_at, time_zone ? "Pacific Time (US & Canada)" : nil, Time.parse(range_start)..Time.parse(range_end)).count)
+  end
+
+  def ordered_hash(hash)
+    RUBY_VERSION =~ /1\.8/ ? hash.inject(ActiveSupport::OrderedHash.new){|h, (k, v)| h[k] = v; h } : hash
+  end
+
+  def create_user(created_at)
+    User.create!(:name => "Andrew", :score => 1, :created_at => ActiveSupport::TimeZone["UTC"].parse(created_at))
+  end
+
+  def teardown
+    User.delete_all
+  end
+
+end
...	...	@@ -0,0 +1,22 @@
	1	+require "test_helper"
	2	+
	3	+class TestMysql < Minitest::Test
	4	+ include TestGroupdate
	5	+
	6	+ def setup
	7	+ User.establish_connection :adapter => "mysql2", :database => "groupdate_test", :username => "root"
	8	+ end
	9	+
	10	+ def time_key(key)
	11	+ if RUBY_PLATFORM == "java"
	12	+ key.strftime("%Y-%m-%d %H:%M:%S").gsub(/ 00\:00\:00\z/, "")
	13	+ else
	14	+ key
	15	+ end
	16	+ end
	17	+
	18	+ def number_key(key)
	19	+ key
	20	+ end
	21	+
	22	+end
...	...
...	...	@@ -0,0 +1,30 @@
	1	+require "test_helper"
	2	+
	3	+class TestPostgresql < Minitest::Test
	4	+ include TestGroupdate
	5	+
	6	+ def setup
	7	+ User.establish_connection :adapter => "postgresql", :database => "groupdate_test"
	8	+ end
	9	+
	10	+ def time_key(key)
	11	+ if RUBY_PLATFORM == "java"
	12	+ key.utc.strftime("%Y-%m-%d %H:%M:%S%z")[0..-3]
	13	+ else
	14	+ if ActiveRecord::VERSION::MAJOR == 3
	15	+ key.utc.strftime("%Y-%m-%d %H:%M:%S+00")
	16	+ else
	17	+ key
	18	+ end
	19	+ end
	20	+ end
	21	+
	22	+ def number_key(key)
	23	+ if RUBY_PLATFORM != "java" and ActiveRecord::VERSION::MAJOR == 3
	24	+ key.to_s
	25	+ else
	26	+ key
	27	+ end
	28	+ end
	29	+
	30	+end
...	...
...	...	@@ -0,0 +1,306 @@
	1	+require "bundler/setup"
	2	+Bundler.require(:default)
	3	+require "minitest/autorun"
	4	+require "minitest/pride"
	5	+require "logger"
	6	+
	7	+# for debugging
	8	+# ActiveRecord::Base.logger = Logger.new(STDOUT)
	9	+
	10	+# rails does this in activerecord/lib/active_record/railtie.rb
	11	+ActiveRecord::Base.default_timezone = :utc
	12	+ActiveRecord::Base.time_zone_aware_attributes = true
	13	+
	14	+class User < ActiveRecord::Base
	15	+end
	16	+
	17	+# migrations
	18	+%w(postgresql mysql2).each do \|adapter\|
	19	+ ActiveRecord::Base.establish_connection :adapter => adapter, :database => "groupdate_test", :username => adapter == "mysql2" ? "root" : nil
	20	+
	21	+ unless ActiveRecord::Base.connection.table_exists? "users"
	22	+ ActiveRecord::Migration.create_table :users do \|t\|
	23	+ t.string :name
	24	+ t.integer :score
	25	+ t.timestamps
	26	+ end
	27	+ end
	28	+end
	29	+
	30	+module TestGroupdate
	31	+
	32	+ # second
	33	+
	34	+ def test_second_end_of_second
	35	+ assert_result_time :second, "2013-05-03 00:00:00 UTC", "2013-05-03 00:00:00.999"
	36	+ end
	37	+
	38	+ def test_second_start_of_second
	39	+ assert_result_time :second, "2013-05-03 00:00:01 UTC", "2013-05-03 00:00:01.000"
	40	+ end
	41	+
	42	+ # minute
	43	+
	44	+ def test_minute_end_of_minute
	45	+ assert_result_time :minute, "2013-05-03 00:00:00 UTC", "2013-05-03 00:00:59"
	46	+ end
	47	+
	48	+ def test_minute_start_of_minute
	49	+ assert_result_time :minute, "2013-05-03 00:01:00 UTC", "2013-05-03 00:01:00"
	50	+ end
	51	+
	52	+ # hour
	53	+
	54	+ def test_hour_end_of_hour
	55	+ assert_result_time :hour, "2013-05-03 00:00:00 UTC", "2013-05-03 00:59:59"
	56	+ end
	57	+
	58	+ def test_hour_start_of_hour
	59	+ assert_result_time :hour, "2013-05-03 01:00:00 UTC", "2013-05-03 01:00:00"
	60	+ end
	61	+
	62	+ # day
	63	+
	64	+ def test_day_end_of_day
	65	+ assert_result_time :day, "2013-05-03 00:00:00 UTC", "2013-05-03 23:59:59"
	66	+ end
	67	+
	68	+ def test_day_start_of_day
	69	+ assert_result_time :day, "2013-05-04 00:00:00 UTC", "2013-05-04 00:00:00"
	70	+ end
	71	+
	72	+ def test_day_end_of_day_with_time_zone
	73	+ assert_result_time :day, "2013-05-02 00:00:00 PDT", "2013-05-03 06:59:59", true
	74	+ end
	75	+
	76	+ def test_day_start_of_day_with_time_zone
	77	+ assert_result_time :day, "2013-05-03 00:00:00 PDT", "2013-05-03 07:00:00", true
	78	+ end
	79	+
	80	+ # week
	81	+
	82	+ def test_week_end_of_week
	83	+ assert_result_time :week, "2013-03-17 00:00:00 UTC", "2013-03-23 23:59:59"
	84	+ end
	85	+
	86	+ def test_week_start_of_week
	87	+ assert_result_time :week, "2013-03-24 00:00:00 UTC", "2013-03-24 00:00:00"
	88	+ end
	89	+
	90	+ def test_week_end_of_week_with_time_zone
	91	+ assert_result_time :week, "2013-03-10 00:00:00 PST", "2013-03-17 06:59:59", true
	92	+ end
	93	+
	94	+ def test_week_start_of_week_with_time_zone
	95	+ assert_result_time :week, "2013-03-17 00:00:00 PDT", "2013-03-17 07:00:00", true
	96	+ end
	97	+
	98	+ # month
	99	+
	100	+ def test_month_end_of_month
	101	+ assert_result_time :month, "2013-05-01 00:00:00 UTC", "2013-05-31 23:59:59"
	102	+ end
	103	+
	104	+ def test_month_start_of_month
	105	+ assert_result_time :month, "2013-06-01 00:00:00 UTC", "2013-06-01 00:00:00"
	106	+ end
	107	+
	108	+ def test_month_end_of_month_with_time_zone
	109	+ assert_result_time :month, "2013-05-01 00:00:00 PDT", "2013-06-01 06:59:59", true
	110	+ end
	111	+
	112	+ def test_month_start_of_month_with_time_zone
	113	+ assert_result_time :month, "2013-06-01 00:00:00 PDT", "2013-06-01 07:00:00", true
	114	+ end
	115	+
	116	+ # year
	117	+
	118	+ def test_year_end_of_year
	119	+ assert_result_time :year, "2013-01-01 00:00:00 UTC", "2013-12-31 23:59:59"
	120	+ end
	121	+
	122	+ def test_year_start_of_year
	123	+ assert_result_time :year, "2014-01-01 00:00:00 UTC", "2014-01-01 00:00:00"
	124	+ end
	125	+
	126	+ def test_year_end_of_year_with_time_zone
	127	+ assert_result_time :year, "2013-01-01 00:00:00 PST", "2014-01-01 07:59:59", true
	128	+ end
	129	+
	130	+ def test_year_start_of_year_with_time_zone
	131	+ assert_result_time :year, "2014-01-01 00:00:00 PST", "2014-01-01 08:00:00", true
	132	+ end
	133	+
	134	+ # hour of day
	135	+
	136	+ def test_hour_of_day_end_of_hour
	137	+ assert_result :hour_of_day, 0, "2013-01-01 00:59:59"
	138	+ end
	139	+
	140	+ def test_hour_of_day_start_of_hour
	141	+ assert_result :hour_of_day, 1, "2013-01-01 01:00:00"
	142	+ end
	143	+
	144	+ def test_hour_of_day_end_of_hour_with_time_zone
	145	+ assert_result :hour_of_day, 0, "2013-01-01 08:59:59", true
	146	+ end
	147	+
	148	+ def test_hour_of_day_start_of_hour_with_time_zone
	149	+ assert_result :hour_of_day, 1, "2013-01-01 09:00:00", true
	150	+ end
	151	+
	152	+ # day of week
	153	+
	154	+ def test_day_of_week_end_of_day
	155	+ assert_result :day_of_week, 2, "2013-01-01 23:59:59"
	156	+ end
	157	+
	158	+ def test_day_of_week_start_of_day
	159	+ assert_result :day_of_week, 3, "2013-01-02 00:00:00"
	160	+ end
	161	+
	162	+ def test_day_of_week_end_of_week_with_time_zone
	163	+ assert_result :day_of_week, 2, "2013-01-02 07:59:59", true
	164	+ end
	165	+
	166	+ def test_day_of_week_start_of_week_with_time_zone
	167	+ assert_result :day_of_week, 3, "2013-01-02 08:00:00", true
	168	+ end
	169	+
	170	+ # zeros
	171	+
	172	+ def test_zeros_second
	173	+ assert_zeros :second, "2013-05-01 00:00:01 UTC", ["2013-05-01 00:00:00 UTC", "2013-05-01 00:00:01 UTC", "2013-05-01 00:00:02 UTC"], "2013-05-01 00:00:00.999 UTC", "2013-05-01 00:00:02 UTC"
	174	+ end
	175	+
	176	+ def test_zeros_minute
	177	+ assert_zeros :minute, "2013-05-01 00:01:00 UTC", ["2013-05-01 00:00:00 UTC", "2013-05-01 00:01:00 UTC", "2013-05-01 00:02:00 UTC"], "2013-05-01 00:00:59 UTC", "2013-05-01 00:02:00 UTC"
	178	+ end
	179	+
	180	+ def test_zeros_hour
	181	+ assert_zeros :hour, "2013-05-01 04:01:01 UTC", ["2013-05-01 03:00:00 UTC", "2013-05-01 04:00:00 UTC", "2013-05-01 05:00:00 UTC"], "2013-05-01 03:59:59 UTC", "2013-05-01 05:00:00 UTC"
	182	+ end
	183	+
	184	+ def test_zeros_day
	185	+ assert_zeros :day, "2013-05-01 20:00:00 UTC", ["2013-04-30 00:00:00 UTC", "2013-05-01 00:00:00 UTC", "2013-05-02 00:00:00 UTC"], "2013-04-30 00:00:00 UTC", "2013-05-02 23:59:59 UTC"
	186	+ end
	187	+
	188	+ def test_zeros_day_time_zone
	189	+ assert_zeros :day, "2013-05-01 20:00:00 PDT", ["2013-04-30 00:00:00 PDT", "2013-05-01 00:00:00 PDT", "2013-05-02 00:00:00 PDT"], "2013-04-30 00:00:00 PDT", "2013-05-02 23:59:59 PDT", true
	190	+ end
	191	+
	192	+ def test_zeros_week
	193	+ assert_zeros :week, "2013-05-01 20:00:00 UTC", ["2013-04-21 00:00:00 UTC", "2013-04-28 00:00:00 UTC", "2013-05-05 00:00:00 UTC"], "2013-04-27 23:59:59 UTC", "2013-05-11 23:59:59 UTC"
	194	+ end
	195	+
	196	+ def test_zeros_week_time_zone
	197	+ assert_zeros :week, "2013-05-01 20:00:00 PDT", ["2013-04-21 00:00:00 PDT", "2013-04-28 00:00:00 PDT", "2013-05-05 00:00:00 PDT"], "2013-04-27 23:59:59 PDT", "2013-05-11 23:59:59 PDT", true
	198	+ end
	199	+
	200	+ def test_zeros_month
	201	+ assert_zeros :month, "2013-04-16 20:00:00 UTC", ["2013-03-01 00:00:00 UTC", "2013-04-01 00:00:00 UTC", "2013-05-01 00:00:00 UTC"], "2013-03-01 00:00:00 UTC", "2013-05-31 23:59:59 UTC"
	202	+ end
	203	+
	204	+ def test_zeros_month_time_zone
	205	+ assert_zeros :month, "2013-04-16 20:00:00 PDT", ["2013-03-01 00:00:00 PST", "2013-04-01 00:00:00 PDT", "2013-05-01 00:00:00 PDT"], "2013-03-01 00:00:00 PST", "2013-05-31 23:59:59 PDT", true
	206	+ end
	207	+
	208	+ def test_zeros_year
	209	+ assert_zeros :year, "2013-04-16 20:00:00 UTC", ["2012-01-01 00:00:00 UTC", "2013-01-01 00:00:00 UTC", "2014-01-01 00:00:00 UTC"], "2012-01-01 00:00:00 UTC", "2014-12-31 23:59:59 UTC"
	210	+ end
	211	+
	212	+ def test_zeros_year_time_zone
	213	+ assert_zeros :year, "2013-04-16 20:00:00 PDT", ["2012-01-01 00:00:00 PST", "2013-01-01 00:00:00 PST", "2014-01-01 00:00:00 PST"], "2012-01-01 00:00:00 PST", "2014-12-31 23:59:59 PST", true
	214	+ end
	215	+
	216	+ def test_zeros_day_of_week
	217	+ create_user "2013-05-01 00:00:00 UTC"
	218	+ expected = {}
	219	+ 7.times do \|n\|
	220	+ expected[n] = n == 3 ? 1 : 0
	221	+ end
	222	+ assert_equal(expected, User.group_by_day_of_week(:created_at, Time.zone, true).count(:created_at))
	223	+ end
	224	+
	225	+ def test_zeros_hour_of_day
	226	+ create_user "2013-05-01 20:00:00 UTC"
	227	+ expected = {}
	228	+ 24.times do \|n\|
	229	+ expected[n] = n == 20 ? 1 : 0
	230	+ end
	231	+ assert_equal(expected, User.group_by_hour_of_day(:created_at, Time.zone, true).count(:created_at))
	232	+ end
	233	+
	234	+ def test_zeros_excludes_end
	235	+ create_user "2013-05-02 00:00:00 UTC"
	236	+ expected = {
	237	+ Time.parse("2013-05-01 00:00:00 UTC") => 0
	238	+ }
	239	+ assert_equal(expected, User.group_by_day(:created_at, Time.zone, Time.parse("2013-05-01 00:00:00 UTC")...Time.parse("2013-05-02 00:00:00 UTC")).count)
	240	+ end
	241	+
	242	+ def test_zeros_previous_scope
	243	+ create_user "2013-05-01 00:00:00 UTC"
	244	+ expected = {
	245	+ Time.parse("2013-05-01 00:00:00 UTC") => 0
	246	+ }
	247	+ assert_equal(expected, User.where("id = 0").group_by_day(:created_at, Time.zone, Time.parse("2013-05-01 00:00:00 UTC")..Time.parse("2013-05-01 23:59:59 UTC")).count)
	248	+ end
	249	+
	250	+ # misc
	251	+
	252	+ def test_order_day
	253	+ assert_equal({}, User.group_by_day(:created_at).order("day desc").limit(20).count)
	254	+ end
	255	+
	256	+ def test_order_week
	257	+ assert_equal({}, User.group_by_week(:created_at).order("week asc").count)
	258	+ end
	259	+
	260	+ def test_order_hour_of_day
	261	+ assert_equal({}, User.group_by_hour_of_day(:created_at).order("hour_of_day desc").count)
	262	+ end
	263	+
	264	+ def test_table_name
	265	+ assert_equal({}, User.group_by_day("users.created_at").count)
	266	+ end
	267	+
	268	+ def test_previous_scopes
	269	+ create_user "2013-05-01 00:00:00 UTC"
	270	+ assert_equal({}, User.where("id = 0").group_by_day(:created_at).count)
	271	+ end
	272	+
	273	+ # helpers
	274	+
	275	+ def assert_result_time(method, expected, time_str, time_zone = false)
	276	+ assert_result method, Time.parse(expected), time_str, time_zone
	277	+ end
	278	+
	279	+ def assert_result(method, expected, time_str, time_zone = false)
	280	+ create_user time_str
	281	+ expected = expected.is_a?(Time) ? time_key(expected) : number_key(expected)
	282	+ assert_equal(ordered_hash({expected => 1}), User.send(:"group_by_#{method}", :created_at, time_zone ? "Pacific Time (US & Canada)" : nil).order(method.to_s).count)
	283	+ end
	284	+
	285	+ def assert_zeros(method, created_at, keys, range_start, range_end, time_zone = nil)
	286	+ create_user created_at
	287	+ expected = {}
	288	+ keys.each_with_index do \|key, i\|
	289	+ expected[Time.parse(key)] = i == 1 ? 1 : 0
	290	+ end
	291	+ assert_equal(expected, User.send(:"group_by_#{method}", :created_at, time_zone ? "Pacific Time (US & Canada)" : nil, Time.parse(range_start)..Time.parse(range_end)).count)
	292	+ end
	293	+
	294	+ def ordered_hash(hash)
	295	+ RUBY_VERSION =~ /1\.8/ ? hash.inject(ActiveSupport::OrderedHash.new){\|h, (k, v)\| h[k] = v; h } : hash
	296	+ end
	297	+
	298	+ def create_user(created_at)
	299	+ User.create!(:name => "Andrew", :score => 1, :created_at => ActiveSupport::TimeZone["UTC"].parse(created_at))
	300	+ end
	301	+
	302	+ def teardown
	303	+ User.delete_all
	304	+ end
	305	+
	306	+end
...	...