activerecord-import/test/import_test.rb

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2010-07-06 18:40:02 +02:00
require File.expand_path('../test_helper', __FILE__)
describe "#import" do
it "should return the number of inserts performed" do
# see ActiveRecord::ConnectionAdapters::AbstractAdapter test for more specifics
assert_difference "Topic.count", +10 do
result = Topic.import Build(3, :topics)
assert result.num_inserts > 0
result = Topic.import Build(7, :topics)
assert result.num_inserts > 0
end
end
it "should not produce an error when importing empty arrays" do
assert_nothing_raised do
Topic.import []
Topic.import %w(title author_name), []
end
end
context "with :validation option" do
let(:columns) { %w(title author_name) }
let(:valid_values) { [[ "LDAP", "Jerry Carter"], ["Rails Recipes", "Chad Fowler"]] }
let(:invalid_values) { [[ "The RSpec Book", ""], ["Agile+UX", ""]] }
context "with validation checks turned off" do
it "should import valid data" do
assert_difference "Topic.count", +2 do
result = Topic.import columns, valid_values, :validate => false
end
end
it "should import invalid data" do
assert_difference "Topic.count", +2 do
result = Topic.import columns, invalid_values, :validate => false
end
end
end
context "with validation checks turned on" do
it "should import valid data" do
assert_difference "Topic.count", +2 do
result = Topic.import columns, valid_values, :validate => true
end
end
it "should not import invalid data" do
assert_no_difference "Topic.count" do
result = Topic.import columns, invalid_values, :validate => true
end
end
it "should report the failed instances" do
results = Topic.import columns, invalid_values, :validate => true
assert_equal invalid_values.size, results.failed_instances.size
results.failed_instances.each{ |e| assert_kind_of Topic, e }
end
it "should import valid data when mixed with invalid data" do
assert_difference "Topic.count", +2 do
result = Topic.import columns, valid_values + invalid_values, :validate => true
end
assert_equal 0, Topic.find_all_by_title(invalid_values.map(&:first)).count
end
end
end
context "with :synchronize option" do
context "synchronizing on new records" do
let(:new_topics) { Build(3, :topics) }
it "doesn't reload any data (doesn't work)" do
Topic.import new_topics, :synchronize => new_topics
assert new_topics.all?(&:new_record?), "No record should have been reloaded"
end
end
context "synchronizing on new records with explicit conditions" do
let(:new_topics) { Build(3, :topics) }
it "reloads data for existing in-memory instances" do
Topic.import(new_topics, :synchronize => new_topics, :synchronize_key => [:title] )
assert new_topics.all?(&:new_record?), "Records should have been reloaded"
end
end
end
context "with an array of unsaved model instances" do
let(:topic) { Build(:topic, :title => "The RSpec Book", :author_name => "David Chelimsky")}
let(:topics) { Build(9, :topics) }
let(:invalid_topics){ Build(7, :invalid_topics)}
it "should import records based on those model's attributes" do
assert_difference "Topic.count", +9 do
result = Topic.import topics
end
Topic.import [topic]
assert Topic.find_by_title_and_author_name("The RSpec Book", "David Chelimsky")
end
it "should not overwrite existing records" do
topic = Generate(:topic, :title => "foobar")
assert_no_difference "Topic.count" do
begin
Topic.transaction do
topic.title = "baz"
Topic.import [topic]
end
rescue Exception
# PostgreSQL raises PgError due to key constraints
# I don't know why ActiveRecord doesn't catch these. *sigh*
end
end
assert_equal "foobar", topic.reload.title
end
context "with validation checks turned on" do
it "should import valid models" do
assert_difference "Topic.count", +9 do
result = Topic.import topics, :validate => true
end
end
it "should not import invalid models" do
assert_no_difference "Topic.count" do
result = Topic.import invalid_topics, :validate => true
end
end
end
context "with validation checks turned off" do
it "should import invalid models" do
assert_difference "Topic.count", +7 do
result = Topic.import invalid_topics, :validate => false
end
end
end
end
context "with an array of columns and an array of unsaved model instances" do
let(:topics) { Build(2, :topics) }
it "should import records populating the supplied columns with the corresponding model instance attributes" do
assert_difference "Topic.count", +2 do
result = Topic.import [:author_name, :title], topics
end
# imported topics should be findable by their imported attributes
assert Topic.find_by_author_name(topics.first.author_name)
assert Topic.find_by_author_name(topics.last.author_name)
end
it "should not populate fields for columns not imported" do
topics.first.author_email_address = "zach.dennis@gmail.com"
assert_difference "Topic.count", +2 do
result = Topic.import [:author_name, :title], topics
end
assert !Topic.find_by_author_email_address("zach.dennis@gmail.com")
end
end
context "with an array of columns and an array of values" do
it "should import ids when specified" do
Topic.import [:id, :author_name, :title], [[99, "Bob Jones", "Topic 99"]]
assert_equal 99, Topic.last.id
end
end
context "ActiveRecord timestamps" do
context "when the timestamps columns are present" do
setup do
Delorean.time_travel_to("5 minutes ago") do
assert_difference "Book.count", +1 do
result = Book.import [:title, :author_name, :publisher], [["LDAP", "Big Bird", "Del Rey"]]
end
end
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@book = Book.last
end
it "should set the created_at column for new records" do
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assert_equal 5.minutes.ago.strftime("%H:%M"), @book.created_at.strftime("%H:%M")
end
it "should set the created_on column for new records" do
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assert_equal 5.minutes.ago.strftime("%H:%M"), @book.created_on.strftime("%H:%M")
end
it "should set the updated_at column for new records" do
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assert_equal 5.minutes.ago.strftime("%H:%M"), @book.updated_at.strftime("%H:%M")
end
it "should set the updated_on column for new records" do
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assert_equal 5.minutes.ago.strftime("%H:%M"), @book.updated_on.strftime("%H:%M")
end
end
context "when a custom time zone is set" do
setup do
original_timezone = ActiveRecord::Base.default_timezone
ActiveRecord::Base.default_timezone = :utc
Delorean.time_travel_to("5 minutes ago") do
assert_difference "Book.count", +1 do
result = Book.import [:title, :author_name, :publisher], [["LDAP", "Big Bird", "Del Rey"]]
end
end
ActiveRecord::Base.default_timezone = original_timezone
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@book = Book.last
end
it "should set the created_at and created_on timestamps for new records" do
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assert_equal 5.minutes.ago.utc.strftime("%H:%M"), @book.created_at.strftime("%H:%M")
assert_equal 5.minutes.ago.utc.strftime("%H:%M"), @book.created_on.strftime("%H:%M")
end
it "should set the updated_at and updated_on timestamps for new records" do
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assert_equal 5.minutes.ago.utc.strftime("%H:%M"), @book.updated_at.strftime("%H:%M")
assert_equal 5.minutes.ago.utc.strftime("%H:%M"), @book.updated_on.strftime("%H:%M")
end
end
end
context "importing with database reserved words" do
let(:group) { Build(:group, :order => "superx") }
it "should import just fine" do
assert_difference "Group.count", +1 do
result = Group.import [group]
end
assert_equal "superx", Group.first.order
end
end
context "importing a datetime field" do
it "should import a date with MM/DD/YYYY format just fine" do
Topic.import [:author_name, :title, :last_read], [["Bob Jones", "Topic 1", "05/14/2010"]]
assert_equal "05/14/2010".to_date, Topic.last.last_read.to_date
end
it "should import a date with YYYY/MM/DD format just fine" do
Topic.import [:author_name, :title, :last_read], [["Bob Jones", "Topic 2", "2010/05/14"]]
assert_equal "05/14/2010".to_date, Topic.last.last_read.to_date
end
end
end