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require 'rails_helper'
require 'rspec/rails/feature_check'
RSpec.describe 'Action Mailer railtie hook' do
CaptureExec = Struct.new(:io, :exit_status) do
def ==(str)
io == str
end
end
def as_commandline(ops)
cmd, ops = ops.reverse
ops ||= {}
cmd_parts = ops.map { |k, v| "#{k}=#{v}" } << cmd << '2>&1'
cmd_parts.join(' ')
end
def capture_exec(*ops)
ops << { err: [:child, :out] }
lines = []
_process =
IO.popen(ops) do |io|
while (line = io.gets)
lines << line
end
end
# Necessary to ignore warnings from Rails code base
out = lines
.reject { |line| line =~ /warning: circular argument reference/ }
.reject { |line| line =~ /Gem::Specification#rubyforge_project=/ }
.reject { |line| line =~ /DEPRECATION WARNING/ }
.reject { |line| line =~ /warning: previous/ }
.reject { |line| line =~ /warning: already/ }
.reject { |line| line =~ /but will no longer be part of the default gems / }
.reject { |line| line =~ /You can add .* to your Gemfile/ }
.join
.chomp
CaptureExec.new(out, $?.exitstatus)
end
if Rails::VERSION::STRING.to_f >= 7.1
let(:expected_custom_path) { "/custom/path\n#{::Rails.root}/test/mailers/previews" }
let(:expected_rspec_path) { "#{::Rails.root}/spec/mailers/previews\n#{::Rails.root}/test/mailers/previews" }
def have_no_preview(opts = {})
expected_io =
if opts[:actually_blank]
be_blank
else
"#{::Rails.root}/test/mailers/previews"
end
have_attributes(io: expected_io, exit_status: 0)
end
else
let(:expected_custom_path) { '/custom/path' }
let(:expected_rspec_path) { "#{::Rails.root}/spec/mailers/previews" }
def have_no_preview(_opts = {})
have_attributes(io: be_blank, exit_status: 0)
end
end
let(:exec_script) {
File.expand_path(File.join(__FILE__, '../support/default_preview_path'))
}
if RSpec::Rails::FeatureCheck.has_action_mailer_preview?
context 'in the development environment' do
let(:custom_env) { { 'RAILS_ENV' => rails_env } }
let(:rails_env) { 'development' }
it 'sets the preview path to the default rspec path' do
skip "this spec fails singularly on JRuby due to weird env things" if RUBY_ENGINE == "jruby"
expect(capture_exec(custom_env, exec_script)).to eq(expected_rspec_path)
end
it 'respects the setting from `show_previews`' do
expect(
capture_exec(
custom_env.merge('SHOW_PREVIEWS' => 'false'),
exec_script
)
).to have_no_preview
end
it 'respects a custom `preview_path`' do
expect(
capture_exec(
custom_env.merge('CUSTOM_PREVIEW_PATH' => '/custom/path'),
exec_script
)
).to eq(expected_custom_path)
end
it 'allows initializers to set options' do
expect(
capture_exec(
custom_env.merge('DEFAULT_URL' => 'test-host'),
exec_script
)
).to eq('test-host')
end
it 'handles action mailer not being available' do
expect(
capture_exec(
custom_env.merge('NO_ACTION_MAILER' => 'true'),
exec_script
)
).to have_no_preview(actually_blank: true)
end
end
context 'in a non-development environment' do
let(:custom_env) { { 'RAILS_ENV' => rails_env } }
let(:rails_env) { 'test' }
it 'does not set the preview path by default' do
expect(capture_exec(custom_env, exec_script)).to have_no_preview
end
it 'respects the setting from `show_previews`' do
expect(
capture_exec(custom_env.merge('SHOW_PREVIEWS' => 'true'), exec_script)
).to eq(expected_rspec_path)
end
it 'allows initializers to set options' do
expect(
capture_exec(
custom_env.merge('DEFAULT_URL' => 'test-host'),
exec_script
)
).to eq('test-host')
end
end
else
context 'in the development environment' do
let(:custom_env) { { 'RAILS_ENV' => rails_env } }
let(:rails_env) { 'development' }
it 'handles no action mailer preview' do
expect(capture_exec(custom_env, exec_script)).to have_no_preview
end
it 'allows initializers to set options' do
expect(
capture_exec(
custom_env.merge('DEFAULT_URL' => 'test-host'),
exec_script
)
).to eq('test-host')
end
it 'handles action mailer not being available' do
expect(
capture_exec(
custom_env.merge('NO_ACTION_MAILER' => 'true'),
exec_script
)
).to have_no_preview
end
end
context 'in a non-development environment' do
let(:custom_env) { { 'RAILS_ENV' => rails_env } }
let(:rails_env) { 'test' }
it 'handles no action mailer preview' do
expect(capture_exec(custom_env, exec_script)).to have_no_preview
end
it 'allows initializers to set options' do
expect(
capture_exec(
custom_env.merge('DEFAULT_URL' => 'test-host'),
exec_script
)
).to eq('test-host')
end
it 'handles action mailer not being available' do
expect(
capture_exec(
custom_env.merge('NO_ACTION_MAILER' => 'true'),
exec_script
)
).to have_no_preview
end
end
end
end
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