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rails--rails/actionmailer/test/base_test.rb
2018-01-25 23:32:58 -05:00

995 lines
36 KiB
Ruby

# frozen_string_literal: true
require "abstract_unit"
require "set"
require "action_dispatch"
require "active_support/time"
require "mailers/base_mailer"
require "mailers/proc_mailer"
require "mailers/asset_mailer"
class BaseTest < ActiveSupport::TestCase
include Rails::Dom::Testing::Assertions::DomAssertions
setup do
@original_delivery_method = ActionMailer::Base.delivery_method
ActionMailer::Base.delivery_method = :test
@original_asset_host = ActionMailer::Base.asset_host
@original_assets_dir = ActionMailer::Base.assets_dir
end
teardown do
ActionMailer::Base.asset_host = @original_asset_host
ActionMailer::Base.assets_dir = @original_assets_dir
BaseMailer.deliveries.clear
ActionMailer::Base.delivery_method = @original_delivery_method
end
test "method call to mail does not raise error" do
assert_nothing_raised { BaseMailer.welcome }
end
# Basic mail usage without block
test "mail() should set the headers of the mail message" do
email = BaseMailer.welcome
assert_equal(["system@test.lindsaar.net"], email.to)
assert_equal(["jose@test.plataformatec.com"], email.from)
assert_equal("The first email on new API!", email.subject)
end
test "mail() with from overwrites the class level default" do
email = BaseMailer.welcome(from: "someone@example.com",
to: "another@example.org")
assert_equal(["someone@example.com"], email.from)
assert_equal(["another@example.org"], email.to)
end
test "mail() with bcc, cc, content_type, charset, mime_version, reply_to and date" do
time = Time.now.beginning_of_day.to_datetime
email = BaseMailer.welcome(bcc: "bcc@test.lindsaar.net",
cc: "cc@test.lindsaar.net",
content_type: "multipart/mixed",
charset: "iso-8559-1",
mime_version: "2.0",
reply_to: "reply-to@test.lindsaar.net",
date: time)
assert_equal(["bcc@test.lindsaar.net"], email.bcc)
assert_equal(["cc@test.lindsaar.net"], email.cc)
assert_equal("multipart/mixed; charset=iso-8559-1", email.content_type)
assert_equal("iso-8559-1", email.charset)
assert_equal("2.0", email.mime_version)
assert_equal(["reply-to@test.lindsaar.net"], email.reply_to)
assert_equal(time, email.date)
end
test "mail() renders the template using the method being processed" do
email = BaseMailer.welcome
assert_equal("Welcome", email.body.encoded)
end
test "can pass in :body to the mail method hash" do
email = BaseMailer.welcome(body: "Hello there")
assert_equal("text/plain", email.mime_type)
assert_equal("Hello there", email.body.encoded)
end
test "should set template content type if mail has only one part" do
mail = BaseMailer.html_only
assert_equal("text/html", mail.mime_type)
mail = BaseMailer.plain_text_only
assert_equal("text/plain", mail.mime_type)
end
# Custom headers
test "custom headers" do
email = BaseMailer.welcome
assert_equal("Not SPAM", email["X-SPAM"].decoded)
end
test "can pass random headers in as a hash to mail" do
hash = { "X-Special-Domain-Specific-Header" => "SecretValue",
"In-Reply-To" => "1234@mikel.me.com" }
mail = BaseMailer.welcome(hash)
assert_equal("SecretValue", mail["X-Special-Domain-Specific-Header"].decoded)
assert_equal("1234@mikel.me.com", mail["In-Reply-To"].decoded)
end
test "can pass random headers in as a hash to headers" do
hash = { "X-Special-Domain-Specific-Header" => "SecretValue",
"In-Reply-To" => "1234@mikel.me.com" }
mail = BaseMailer.welcome_with_headers(hash)
assert_equal("SecretValue", mail["X-Special-Domain-Specific-Header"].decoded)
assert_equal("1234@mikel.me.com", mail["In-Reply-To"].decoded)
end
# Attachments
test "attachment with content" do
email = BaseMailer.attachment_with_content
assert_equal(1, email.attachments.length)
assert_equal("invoice.pdf", email.attachments[0].filename)
assert_equal("This is test File content", email.attachments["invoice.pdf"].decoded)
end
test "attachment gets content type from filename" do
email = BaseMailer.attachment_with_content
assert_equal("invoice.pdf", email.attachments[0].filename)
assert_equal("application/pdf", email.attachments[0].mime_type)
end
test "attachment with hash" do
email = BaseMailer.attachment_with_hash
assert_equal(1, email.attachments.length)
assert_equal("invoice.jpg", email.attachments[0].filename)
expected = "\312\213\254\232)b".dup
expected.force_encoding(Encoding::BINARY)
assert_equal expected, email.attachments["invoice.jpg"].decoded
end
test "attachment with hash using default mail encoding" do
email = BaseMailer.attachment_with_hash_default_encoding
assert_equal(1, email.attachments.length)
assert_equal("invoice.jpg", email.attachments[0].filename)
expected = "\312\213\254\232)b".dup
expected.force_encoding(Encoding::BINARY)
assert_equal expected, email.attachments["invoice.jpg"].decoded
end
test "sets mime type to multipart/mixed when attachment is included" do
email = BaseMailer.attachment_with_content
assert_equal(1, email.attachments.length)
assert_equal("multipart/mixed", email.mime_type)
end
test "set mime type to text/html when attachment is included and body is set" do
email = BaseMailer.attachment_with_content(body: "Hello there", content_type: "text/html")
assert_equal("text/html", email.mime_type)
end
test "adds the rendered template as part" do
email = BaseMailer.attachment_with_content
assert_equal(2, email.parts.length)
assert_equal("multipart/mixed", email.mime_type)
assert_equal("text/html", email.parts[0].mime_type)
assert_equal("Attachment with content", email.parts[0].body.encoded)
assert_equal("application/pdf", email.parts[1].mime_type)
assert_equal("VGhpcyBpcyB0ZXN0IEZpbGUgY29udGVudA==\r\n", email.parts[1].body.encoded)
end
test "adds the given :body as part" do
email = BaseMailer.attachment_with_content(body: "I'm the eggman")
assert_equal(2, email.parts.length)
assert_equal("multipart/mixed", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("I'm the eggman", email.parts[0].body.encoded)
assert_equal("application/pdf", email.parts[1].mime_type)
assert_equal("VGhpcyBpcyB0ZXN0IEZpbGUgY29udGVudA==\r\n", email.parts[1].body.encoded)
end
test "can embed an inline attachment" do
email = BaseMailer.inline_attachment
# Need to call #encoded to force the JIT sort on parts
email.encoded
assert_equal(2, email.parts.length)
assert_equal("multipart/related", email.mime_type)
assert_equal("multipart/alternative", email.parts[0].mime_type)
assert_equal("text/plain", email.parts[0].parts[0].mime_type)
assert_equal("text/html", email.parts[0].parts[1].mime_type)
assert_equal("logo.png", email.parts[1].filename)
end
# Defaults values
test "uses default charset from class" do
with_default BaseMailer, charset: "US-ASCII" do
email = BaseMailer.welcome
assert_equal("US-ASCII", email.charset)
email = BaseMailer.welcome(charset: "iso-8559-1")
assert_equal("iso-8559-1", email.charset)
end
end
test "uses default content type from class" do
with_default BaseMailer, content_type: "text/html" do
email = BaseMailer.welcome
assert_equal("text/html", email.mime_type)
email = BaseMailer.welcome(content_type: "text/plain")
assert_equal("text/plain", email.mime_type)
end
end
test "uses default mime version from class" do
with_default BaseMailer, mime_version: "2.0" do
email = BaseMailer.welcome
assert_equal("2.0", email.mime_version)
email = BaseMailer.welcome(mime_version: "1.0")
assert_equal("1.0", email.mime_version)
end
end
test "uses random default headers from class" do
with_default BaseMailer, "X-Custom" => "Custom" do
email = BaseMailer.welcome
assert_equal("Custom", email["X-Custom"].decoded)
end
end
test "subject gets default from I18n" do
with_default BaseMailer, subject: nil do
email = BaseMailer.welcome(subject: nil)
assert_equal "Welcome", email.subject
with_translation "en", base_mailer: { welcome: { subject: "New Subject!" } } do
email = BaseMailer.welcome(subject: nil)
assert_equal "New Subject!", email.subject
end
end
end
test "default subject can have interpolations" do
with_translation "en", base_mailer: { with_subject_interpolations: { subject: "Will the real %{rapper_or_impersonator} please stand up?" } } do
email = BaseMailer.with_subject_interpolations
assert_equal "Will the real Slim Shady please stand up?", email.subject
end
end
test "translations are scoped properly" do
with_translation "en", base_mailer: { email_with_translations: { greet_user: "Hello %{name}!" } } do
email = BaseMailer.email_with_translations
assert_equal "Hello lifo!", email.body.encoded
end
end
test "adding attachments after mail was called raises exception" do
class LateAttachmentMailer < ActionMailer::Base
def welcome
mail body: "yay", from: "welcome@example.com", to: "to@example.com"
attachments["invoice.pdf"] = "This is test File content"
end
end
e = assert_raises(RuntimeError) { LateAttachmentMailer.welcome.message }
assert_match(/Can't add attachments after `mail` was called./, e.message)
end
test "adding inline attachments after mail was called raises exception" do
class LateInlineAttachmentMailer < ActionMailer::Base
def welcome
mail body: "yay", from: "welcome@example.com", to: "to@example.com"
attachments.inline["invoice.pdf"] = "This is test File content"
end
end
e = assert_raises(RuntimeError) { LateInlineAttachmentMailer.welcome.message }
assert_match(/Can't add attachments after `mail` was called./, e.message)
end
test "adding inline attachments while rendering mail works" do
class LateInlineAttachmentMailer < ActionMailer::Base
def on_render
mail from: "welcome@example.com", to: "to@example.com"
end
end
mail = LateInlineAttachmentMailer.on_render
assert_nothing_raised { mail.message }
assert_equal ["image/jpeg; filename=controller_attachments.jpg",
"image/jpeg; filename=attachments.jpg"], mail.attachments.inline.map { |a| a["Content-Type"].to_s }
end
test "accessing attachments works after mail was called" do
class LateAttachmentAccessorMailer < ActionMailer::Base
def welcome
attachments["invoice.pdf"] = "This is test File content"
mail body: "yay", from: "welcome@example.com", to: "to@example.com"
unless attachments.map(&:filename) == ["invoice.pdf"]
raise Minitest::Assertion, "Should allow access to attachments"
end
end
end
assert_nothing_raised { LateAttachmentAccessorMailer.welcome.message }
end
# Implicit multipart
test "implicit multipart" do
email = BaseMailer.implicit_multipart
assert_equal(2, email.parts.size)
assert_equal("multipart/alternative", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("TEXT Implicit Multipart", email.parts[0].body.encoded)
assert_equal("text/html", email.parts[1].mime_type)
assert_equal("HTML Implicit Multipart", email.parts[1].body.encoded)
end
test "implicit multipart with sort order" do
order = ["text/html", "text/plain"]
with_default BaseMailer, parts_order: order do
email = BaseMailer.implicit_multipart
assert_equal("text/html", email.parts[0].mime_type)
assert_equal("text/plain", email.parts[1].mime_type)
email = BaseMailer.implicit_multipart(parts_order: order.reverse)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("text/html", email.parts[1].mime_type)
end
end
test "implicit multipart with attachments creates nested parts" do
email = BaseMailer.implicit_multipart(attachments: true)
assert_equal(%w[ application/pdf multipart/alternative ], email.parts.map(&:mime_type).sort)
multipart = email.parts.detect { |p| p.mime_type == "multipart/alternative" }
assert_equal("text/plain", multipart.parts[0].mime_type)
assert_equal("TEXT Implicit Multipart", multipart.parts[0].body.encoded)
assert_equal("text/html", multipart.parts[1].mime_type)
assert_equal("HTML Implicit Multipart", multipart.parts[1].body.encoded)
end
test "implicit multipart with attachments and sort order" do
order = ["text/html", "text/plain"]
with_default BaseMailer, parts_order: order do
email = BaseMailer.implicit_multipart(attachments: true)
assert_equal(%w[ application/pdf multipart/alternative ], email.parts.map(&:mime_type).sort)
multipart = email.parts.detect { |p| p.mime_type == "multipart/alternative" }
assert_equal(%w[ text/html text/plain ], multipart.parts.map(&:mime_type).sort)
end
end
test "implicit multipart with default locale" do
email = BaseMailer.implicit_with_locale
assert_equal(2, email.parts.size)
assert_equal("multipart/alternative", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("Implicit with locale TEXT", email.parts[0].body.encoded)
assert_equal("text/html", email.parts[1].mime_type)
assert_equal("Implicit with locale EN HTML", email.parts[1].body.encoded)
end
test "implicit multipart with other locale" do
swap I18n, locale: :pl do
email = BaseMailer.implicit_with_locale
assert_equal(2, email.parts.size)
assert_equal("multipart/alternative", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("Implicit with locale PL TEXT", email.parts[0].body.encoded)
assert_equal("text/html", email.parts[1].mime_type)
assert_equal("Implicit with locale EN HTML", email.parts[1].body.encoded)
end
end
test "implicit multipart with fallback locale" do
fallback_backend = Class.new(I18n::Backend::Simple) do
include I18n::Backend::Fallbacks
end
begin
backend = I18n.backend
I18n.backend = fallback_backend.new
I18n.fallbacks[:"de-AT"] = [:de]
swap I18n, locale: "de-AT" do
email = BaseMailer.implicit_with_locale
assert_equal(2, email.parts.size)
assert_equal("multipart/alternative", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("Implicit with locale DE-AT TEXT", email.parts[0].body.encoded)
assert_equal("text/html", email.parts[1].mime_type)
assert_equal("Implicit with locale DE HTML", email.parts[1].body.encoded)
end
ensure
I18n.backend = backend
end
end
test "implicit multipart with several view paths uses the first one with template" do
old = BaseMailer.view_paths
begin
BaseMailer.view_paths = [File.join(FIXTURE_LOAD_PATH, "another.path")] + old.dup
email = BaseMailer.welcome
assert_equal("Welcome from another path", email.body.encoded)
ensure
BaseMailer.view_paths = old
end
end
test "implicit multipart with inexistent templates uses the next view path" do
old = BaseMailer.view_paths
begin
BaseMailer.view_paths = [File.join(FIXTURE_LOAD_PATH, "unknown")] + old.dup
email = BaseMailer.welcome
assert_equal("Welcome", email.body.encoded)
ensure
BaseMailer.view_paths = old
end
end
# Explicit multipart
test "explicit multipart" do
email = BaseMailer.explicit_multipart
assert_equal(2, email.parts.size)
assert_equal("multipart/alternative", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("TEXT Explicit Multipart", email.parts[0].body.encoded)
assert_equal("text/html", email.parts[1].mime_type)
assert_equal("HTML Explicit Multipart", email.parts[1].body.encoded)
end
test "explicit multipart have a boundary" do
mail = BaseMailer.explicit_multipart
assert_not_nil(mail.content_type_parameters[:boundary])
end
test "explicit multipart with attachments creates nested parts" do
email = BaseMailer.explicit_multipart(attachments: true)
assert_equal(%w[ application/pdf multipart/alternative ], email.parts.map(&:mime_type).sort)
multipart = email.parts.detect { |p| p.mime_type == "multipart/alternative" }
assert_equal("text/plain", multipart.parts[0].mime_type)
assert_equal("TEXT Explicit Multipart", multipart.parts[0].body.encoded)
assert_equal("text/html", multipart.parts[1].mime_type)
assert_equal("HTML Explicit Multipart", multipart.parts[1].body.encoded)
end
test "explicit multipart with templates" do
email = BaseMailer.explicit_multipart_templates
assert_equal(2, email.parts.size)
assert_equal("multipart/alternative", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("TEXT Explicit Multipart Templates", email.parts[0].body.encoded)
assert_equal("text/html", email.parts[1].mime_type)
assert_equal("HTML Explicit Multipart Templates", email.parts[1].body.encoded)
end
test "explicit multipart with format.any" do
email = BaseMailer.explicit_multipart_with_any
assert_equal(2, email.parts.size)
assert_equal("multipart/alternative", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("Format with any!", email.parts[0].body.encoded)
assert_equal("text/html", email.parts[1].mime_type)
assert_equal("Format with any!", email.parts[1].body.encoded)
end
test "explicit without specifying format with format.any" do
error = assert_raises(ArgumentError) do
BaseMailer.explicit_without_specifying_format_with_any.parts
end
assert_equal "You have to supply at least one format", error.message
end
test "explicit multipart with format(Hash)" do
email = BaseMailer.explicit_multipart_with_options(true)
email.ready_to_send!
assert_equal(2, email.parts.size)
assert_equal("multipart/alternative", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("base64", email.parts[0].content_transfer_encoding)
assert_equal("text/html", email.parts[1].mime_type)
assert_equal("7bit", email.parts[1].content_transfer_encoding)
end
test "explicit multipart with one part is rendered as body and options are merged" do
email = BaseMailer.explicit_multipart_with_options
assert_equal(0, email.parts.size)
assert_equal("text/plain", email.mime_type)
assert_equal("base64", email.content_transfer_encoding)
end
test "explicit multipart with one template has the expected format" do
email = BaseMailer.explicit_multipart_with_one_template
assert_equal(2, email.parts.size)
assert_equal("multipart/alternative", email.mime_type)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("[:text]", email.parts[0].body.encoded)
assert_equal("text/html", email.parts[1].mime_type)
assert_equal("[:html]", email.parts[1].body.encoded)
end
test "explicit multipart with sort order" do
order = ["text/html", "text/plain"]
with_default BaseMailer, parts_order: order do
email = BaseMailer.explicit_multipart
assert_equal("text/html", email.parts[0].mime_type)
assert_equal("text/plain", email.parts[1].mime_type)
email = BaseMailer.explicit_multipart(parts_order: order.reverse)
assert_equal("text/plain", email.parts[0].mime_type)
assert_equal("text/html", email.parts[1].mime_type)
end
end
# Class level API with method missing
test "should respond to action methods" do
assert_respond_to BaseMailer, :welcome
assert_respond_to BaseMailer, :implicit_multipart
assert_not_respond_to BaseMailer, :mail
assert_not_respond_to BaseMailer, :headers
end
test "calling just the action should return the generated mail object" do
email = BaseMailer.welcome
assert_equal(0, BaseMailer.deliveries.length)
assert_equal("The first email on new API!", email.subject)
end
test "calling deliver on the action should deliver the mail object" do
assert_called(BaseMailer, :deliver_mail) do
mail = BaseMailer.welcome.deliver_now
assert_equal "The first email on new API!", mail.subject
end
end
test "calling deliver on the action should increment the deliveries collection if using the test mailer" do
BaseMailer.welcome.deliver_now
assert_equal(1, BaseMailer.deliveries.length)
end
test "calling deliver, ActionMailer should yield back to mail to let it call :do_delivery on itself" do
mail = Mail::Message.new
assert_called(mail, :do_delivery) do
assert_called(BaseMailer, :welcome, returns: mail) do
BaseMailer.welcome.deliver
end
end
end
# Rendering
test "you can specify a different template for implicit render" do
mail = BaseMailer.implicit_different_template("implicit_multipart").deliver_now
assert_equal("HTML Implicit Multipart", mail.html_part.body.decoded)
assert_equal("TEXT Implicit Multipart", mail.text_part.body.decoded)
end
test "should raise if missing template in implicit render" do
assert_raises ActionView::MissingTemplate do
BaseMailer.implicit_different_template("missing_template").deliver_now
end
assert_equal(0, BaseMailer.deliveries.length)
end
test "you can specify a different template for explicit render" do
mail = BaseMailer.explicit_different_template("explicit_multipart_templates").deliver_now
assert_equal("HTML Explicit Multipart Templates", mail.html_part.body.decoded)
assert_equal("TEXT Explicit Multipart Templates", mail.text_part.body.decoded)
end
test "you can specify a different layout" do
mail = BaseMailer.different_layout("different_layout").deliver_now
assert_equal("HTML -- HTML", mail.html_part.body.decoded)
assert_equal("PLAIN -- PLAIN", mail.text_part.body.decoded)
end
test "you can specify the template path for implicit lookup" do
mail = BaseMailer.welcome_from_another_path("another.path/base_mailer").deliver_now
assert_equal("Welcome from another path", mail.body.encoded)
mail = BaseMailer.welcome_from_another_path(["unknown/invalid", "another.path/base_mailer"]).deliver_now
assert_equal("Welcome from another path", mail.body.encoded)
end
test "assets tags should use ActionMailer's asset_host settings" do
ActionMailer::Base.config.asset_host = "http://global.com"
ActionMailer::Base.config.assets_dir = "global/"
mail = AssetMailer.welcome
assert_dom_equal(%{<img src="http://global.com/images/dummy.png" />}, mail.body.to_s.strip)
end
test "assets tags should use a Mailer's asset_host settings when available" do
ActionMailer::Base.config.asset_host = "http://global.com"
ActionMailer::Base.config.assets_dir = "global/"
TempAssetMailer = Class.new(AssetMailer) do
self.mailer_name = "asset_mailer"
self.asset_host = "http://local.com"
end
mail = TempAssetMailer.welcome
assert_dom_equal(%{<img src="http://local.com/images/dummy.png" />}, mail.body.to_s.strip)
end
test "the view is not rendered when mail was never called" do
mail = BaseMailer.without_mail_call
assert_equal("", mail.body.to_s.strip)
mail.deliver_now
end
test "the return value of mailer methods is not relevant" do
mail = BaseMailer.with_nil_as_return_value
assert_equal("Welcome", mail.body.to_s.strip)
mail.deliver_now
end
# Before and After hooks
class MyObserver
def self.delivered_email(mail)
end
end
class MySecondObserver
def self.delivered_email(mail)
end
end
test "you can register an observer to the mail object that gets informed on email delivery" do
mail_side_effects do
ActionMailer::Base.register_observer(MyObserver)
mail = BaseMailer.welcome
assert_called_with(MyObserver, :delivered_email, [mail]) do
mail.deliver_now
end
end
end
test "you can register an observer using its stringified name to the mail object that gets informed on email delivery" do
mail_side_effects do
ActionMailer::Base.register_observer("BaseTest::MyObserver")
mail = BaseMailer.welcome
assert_called_with(MyObserver, :delivered_email, [mail]) do
mail.deliver_now
end
end
end
test "you can register an observer using its symbolized underscored name to the mail object that gets informed on email delivery" do
mail_side_effects do
ActionMailer::Base.register_observer(:"base_test/my_observer")
mail = BaseMailer.welcome
assert_called_with(MyObserver, :delivered_email, [mail]) do
mail.deliver_now
end
end
end
test "you can register multiple observers to the mail object that both get informed on email delivery" do
mail_side_effects do
ActionMailer::Base.register_observers("BaseTest::MyObserver", MySecondObserver)
mail = BaseMailer.welcome
assert_called_with(MyObserver, :delivered_email, [mail]) do
assert_called_with(MySecondObserver, :delivered_email, [mail]) do
mail.deliver_now
end
end
end
end
class MyInterceptor
def self.delivering_email(mail); end
def self.previewing_email(mail); end
end
class MySecondInterceptor
def self.delivering_email(mail); end
def self.previewing_email(mail); end
end
test "you can register an interceptor to the mail object that gets passed the mail object before delivery" do
mail_side_effects do
ActionMailer::Base.register_interceptor(MyInterceptor)
mail = BaseMailer.welcome
assert_called_with(MyInterceptor, :delivering_email, [mail]) do
mail.deliver_now
end
end
end
test "you can register an interceptor using its stringified name to the mail object that gets passed the mail object before delivery" do
mail_side_effects do
ActionMailer::Base.register_interceptor("BaseTest::MyInterceptor")
mail = BaseMailer.welcome
assert_called_with(MyInterceptor, :delivering_email, [mail]) do
mail.deliver_now
end
end
end
test "you can register an interceptor using its symbolized underscored name to the mail object that gets passed the mail object before delivery" do
mail_side_effects do
ActionMailer::Base.register_interceptor(:"base_test/my_interceptor")
mail = BaseMailer.welcome
assert_called_with(MyInterceptor, :delivering_email, [mail]) do
mail.deliver_now
end
end
end
test "you can register multiple interceptors to the mail object that both get passed the mail object before delivery" do
mail_side_effects do
ActionMailer::Base.register_interceptors("BaseTest::MyInterceptor", MySecondInterceptor)
mail = BaseMailer.welcome
assert_called_with(MyInterceptor, :delivering_email, [mail]) do
assert_called_with(MySecondInterceptor, :delivering_email, [mail]) do
mail.deliver_now
end
end
end
end
test "being able to put proc's into the defaults hash and they get evaluated on mail sending" do
mail1 = ProcMailer.welcome["X-Proc-Method"]
yesterday = 1.day.ago
Time.stub(:now, yesterday) do
mail2 = ProcMailer.welcome["X-Proc-Method"]
assert(mail1.to_s.to_i > mail2.to_s.to_i)
end
end
test "default values which have to_proc (e.g. symbols) should not be considered procs" do
assert(ProcMailer.welcome["x-has-to-proc"].to_s == "symbol")
end
test "proc default values can have arity of 1 where arg is a mailer instance" do
assert_equal(ProcMailer.welcome["X-Lambda-Arity-1-arg"].to_s, "complex_value")
assert_equal(ProcMailer.welcome["X-Lambda-Arity-1-self"].to_s, "complex_value")
end
test "proc default values with fixed arity of 0 can be called" do
assert_equal("0", ProcMailer.welcome["X-Lambda-Arity-0"].to_s)
end
test "we can call other defined methods on the class as needed" do
mail = ProcMailer.welcome
assert_equal("Thanks for signing up this afternoon", mail.subject)
end
test "modifying the mail message with a before_action" do
class BeforeActionMailer < ActionMailer::Base
before_action :add_special_header!
def welcome ; mail ; end
private
def add_special_header!
headers("X-Special-Header" => "Wow, so special")
end
end
assert_equal("Wow, so special", BeforeActionMailer.welcome["X-Special-Header"].to_s)
end
test "modifying the mail message with an after_action" do
class AfterActionMailer < ActionMailer::Base
after_action :add_special_header!
def welcome ; mail ; end
private
def add_special_header!
headers("X-Special-Header" => "Testing")
end
end
assert_equal("Testing", AfterActionMailer.welcome["X-Special-Header"].to_s)
end
test "adding an inline attachment using a before_action" do
class DefaultInlineAttachmentMailer < ActionMailer::Base
before_action :add_inline_attachment!
def welcome ; mail ; end
private
def add_inline_attachment!
attachments.inline["footer.jpg"] = "hey there"
end
end
mail = DefaultInlineAttachmentMailer.welcome
assert_equal("image/jpeg; filename=footer.jpg", mail.attachments.inline.first["Content-Type"].to_s)
end
test "action methods should be refreshed after defining new method" do
class FooMailer < ActionMailer::Base
# This triggers action_methods.
respond_to?(:foo)
def notify
end
end
assert_equal Set.new(["notify"]), FooMailer.action_methods
end
test "mailer can be anonymous" do
mailer = Class.new(ActionMailer::Base) do
def welcome
mail
end
end
assert_equal "anonymous", mailer.mailer_name
assert_equal "Welcome", mailer.welcome.subject
assert_equal "Anonymous mailer body", mailer.welcome.body.encoded.strip
end
test "default_from can be set" do
class DefaultFromMailer < ActionMailer::Base
default to: "system@test.lindsaar.net"
self.default_options = { from: "robert.pankowecki@gmail.com" }
def welcome
mail(subject: "subject", body: "hello world")
end
end
assert_equal ["robert.pankowecki@gmail.com"], DefaultFromMailer.welcome.from
end
test "mail() without arguments serves as getter for the current mail message" do
class MailerWithCallback < ActionMailer::Base
after_action :a_callback
def welcome
headers("X-Special-Header" => "special indeed!")
mail subject: "subject", body: "hello world", to: ["joe@example.com"]
end
def a_callback
mail.to << "jane@example.com"
end
end
mail = MailerWithCallback.welcome
assert_equal "subject", mail.subject
assert_equal ["joe@example.com", "jane@example.com"], mail.to
assert_equal "hello world", mail.body.encoded.strip
assert_equal "special indeed!", mail["X-Special-Header"].to_s
end
test "notification for process" do
begin
events = []
ActiveSupport::Notifications.subscribe("process.action_mailer") do |*args|
events << ActiveSupport::Notifications::Event.new(*args)
end
BaseMailer.welcome(body: "Hello there").deliver_now
assert_equal 1, events.length
assert_equal "process.action_mailer", events[0].name
assert_equal "BaseMailer", events[0].payload[:mailer]
assert_equal :welcome, events[0].payload[:action]
assert_equal [{ body: "Hello there" }], events[0].payload[:args]
ensure
ActiveSupport::Notifications.unsubscribe "process.action_mailer"
end
end
private
# Execute the block setting the given values and restoring old values after
# the block is executed.
def swap(klass, new_values)
old_values = {}
new_values.each do |key, value|
old_values[key] = klass.send key
klass.send :"#{key}=", value
end
yield
ensure
old_values.each do |key, value|
klass.send :"#{key}=", value
end
end
def with_default(klass, new_values)
old = klass.default_params
klass.default(new_values)
yield
ensure
klass.default_params = old
end
# A simple hack to restore the observers and interceptors for Mail, as it
# does not have an unregister API yet.
def mail_side_effects
old_observers = Mail.class_variable_get(:@@delivery_notification_observers)
old_delivery_interceptors = Mail.class_variable_get(:@@delivery_interceptors)
yield
ensure
Mail.class_variable_set(:@@delivery_notification_observers, old_observers)
Mail.class_variable_set(:@@delivery_interceptors, old_delivery_interceptors)
end
def with_translation(locale, data)
I18n.backend.store_translations(locale, data)
yield
ensure
I18n.backend.reload!
end
end
class BasePreviewInterceptorsTest < ActiveSupport::TestCase
teardown do
ActionMailer::Base.preview_interceptors.clear
end
class BaseMailerPreview < ActionMailer::Preview
def welcome
BaseMailer.welcome
end
end
class MyInterceptor
def self.delivering_email(mail); end
def self.previewing_email(mail); end
end
class MySecondInterceptor
def self.delivering_email(mail); end
def self.previewing_email(mail); end
end
test "you can register a preview interceptor to the mail object that gets passed the mail object before previewing" do
ActionMailer::Base.register_preview_interceptor(MyInterceptor)
mail = BaseMailer.welcome
stub_any_instance(BaseMailerPreview) do |instance|
instance.stub(:welcome, mail) do
assert_called_with(MyInterceptor, :previewing_email, [mail]) do
BaseMailerPreview.call(:welcome)
end
end
end
end
test "you can register a preview interceptor using its stringified name to the mail object that gets passed the mail object before previewing" do
ActionMailer::Base.register_preview_interceptor("BasePreviewInterceptorsTest::MyInterceptor")
mail = BaseMailer.welcome
stub_any_instance(BaseMailerPreview) do |instance|
instance.stub(:welcome, mail) do
assert_called_with(MyInterceptor, :previewing_email, [mail]) do
BaseMailerPreview.call(:welcome)
end
end
end
end
test "you can register an interceptor using its symbolized underscored name to the mail object that gets passed the mail object before previewing" do
ActionMailer::Base.register_preview_interceptor(:"base_preview_interceptors_test/my_interceptor")
mail = BaseMailer.welcome
stub_any_instance(BaseMailerPreview) do |instance|
instance.stub(:welcome, mail) do
assert_called_with(MyInterceptor, :previewing_email, [mail]) do
BaseMailerPreview.call(:welcome)
end
end
end
end
test "you can register multiple preview interceptors to the mail object that both get passed the mail object before previewing" do
ActionMailer::Base.register_preview_interceptors("BasePreviewInterceptorsTest::MyInterceptor", MySecondInterceptor)
mail = BaseMailer.welcome
stub_any_instance(BaseMailerPreview) do |instance|
instance.stub(:welcome, mail) do
assert_called_with(MyInterceptor, :previewing_email, [mail]) do
assert_called_with(MySecondInterceptor, :previewing_email, [mail]) do
BaseMailerPreview.call(:welcome)
end
end
end
end
end
end
class BasePreviewTest < ActiveSupport::TestCase
class BaseMailerPreview < ActionMailer::Preview
def welcome
BaseMailer.welcome(params)
end
end
test "has access to params" do
params = { name: "World" }
message = BaseMailerPreview.call(:welcome, params)
assert_equal "World", message["name"].decoded
end
end