discourse/spec/lib/discourse_spec.rb

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# frozen_string_literal: true
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require 'discourse'
RSpec.describe Discourse do
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before do
RailsMultisite::ConnectionManagement.stubs(:current_hostname).returns('foo.com')
end
describe 'current_hostname' do
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it 'returns the hostname from the current db connection' do
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expect(Discourse.current_hostname).to eq('foo.com')
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end
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end
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describe 'avatar_sizes' do
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it 'returns a list of integers' do
expect(Discourse.avatar_sizes).to contain_exactly(20, 25, 30, 32, 37, 40, 45, 48, 50, 60, 64, 67, 75, 90, 96, 120, 135, 180, 240, 360)
end
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end
describe 'running_in_rack' do
after do
ENV.delete("DISCOURSE_RUNNING_IN_RACK")
end
it 'should not be running in rack' do
expect(Discourse.running_in_rack?).to eq(false)
ENV["DISCOURSE_RUNNING_IN_RACK"] = "1"
expect(Discourse.running_in_rack?).to eq(true)
end
end
describe 'base_url' do
context 'when https is off' do
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before do
SiteSetting.force_https = false
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end
it 'has a non https base url' do
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expect(Discourse.base_url).to eq("http://foo.com")
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end
end
context 'when https is on' do
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before do
SiteSetting.force_https = true
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end
it 'has a non-ssl base url' do
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expect(Discourse.base_url).to eq("https://foo.com")
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end
end
context 'with a non standard port specified' do
before do
SiteSetting.port = 3000
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end
it "returns the non standart port in the base url" do
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expect(Discourse.base_url).to eq("http://foo.com:3000")
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end
end
end
describe "asset_filter_options" do
it "obmits path if request is missing" do
opts = Discourse.asset_filter_options(:js, nil)
expect(opts[:path]).to be_blank
end
it "returns a hash with a path from the request" do
req = stub(fullpath: "/hello", headers: {})
opts = Discourse.asset_filter_options(:js, req)
expect(opts[:path]).to eq("/hello")
end
end
describe 'plugins' do
let(:plugin_class) do
Class.new(Plugin::Instance) do
attr_accessor :enabled
def enabled?
@enabled
end
end
end
let(:plugin1) { plugin_class.new.tap { |p| p.enabled = true; p.path = "my-plugin-1" } }
let(:plugin2) { plugin_class.new.tap { |p| p.enabled = false; p.path = "my-plugin-1" } }
before do
Discourse.plugins.append(plugin1, plugin2)
end
after do
Discourse.plugins.delete plugin1
Discourse.plugins.delete plugin2
DiscoursePluginRegistry.reset!
end
before do
plugin_class.any_instance.stubs(:css_asset_exists?).returns(true)
plugin_class.any_instance.stubs(:js_asset_exists?).returns(true)
end
it 'can find plugins correctly' do
expect(Discourse.plugins).to include(plugin1, plugin2)
# Exclude disabled plugins by default
expect(Discourse.find_plugins({})).to include(plugin1)
# Include disabled plugins when requested
expect(Discourse.find_plugins(include_disabled: true)).to include(plugin1, plugin2)
end
it 'can find plugin assets' do
plugin2.enabled = true
expect(Discourse.find_plugin_css_assets({}).length).to eq(2)
expect(Discourse.find_plugin_js_assets({}).length).to eq(2)
plugin1.register_asset_filter do |type, request, opts|
false
end
expect(Discourse.find_plugin_css_assets({}).length).to eq(1)
expect(Discourse.find_plugin_js_assets({}).length).to eq(1)
end
end
describe 'authenticators' do
it 'returns inbuilt authenticators' do
expect(Discourse.authenticators).to match_array(Discourse::BUILTIN_AUTH.map(&:authenticator))
end
context 'with authentication plugin installed' do
let(:plugin_auth_provider) do
authenticator_class = Class.new(Auth::Authenticator) do
def name
'pluginauth'
end
def enabled?
true
end
end
provider = Auth::AuthProvider.new
provider.authenticator = authenticator_class.new
provider
end
before do
DiscoursePluginRegistry.register_auth_provider(plugin_auth_provider)
end
after do
DiscoursePluginRegistry.reset!
end
it 'returns inbuilt and plugin authenticators' do
expect(Discourse.authenticators).to match_array(
Discourse::BUILTIN_AUTH.map(&:authenticator) + [plugin_auth_provider.authenticator])
end
end
end
describe 'enabled_authenticators' do
it 'only returns enabled authenticators' do
expect(Discourse.enabled_authenticators.length).to be(0)
expect { SiteSetting.enable_twitter_logins = true }
.to change { Discourse.enabled_authenticators.length }.by(1)
expect(Discourse.enabled_authenticators.length).to be(1)
expect(Discourse.enabled_authenticators.first).to be_instance_of(Auth::TwitterAuthenticator)
end
end
describe '#site_contact_user' do
fab!(:admin) { Fabricate(:admin) }
fab!(:another_admin) { Fabricate(:admin) }
it 'returns the user specified by the site setting site_contact_username' do
SiteSetting.site_contact_username = another_admin.username
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expect(Discourse.site_contact_user).to eq(another_admin)
end
it 'returns the system user otherwise' do
SiteSetting.site_contact_username = nil
expect(Discourse.site_contact_user.username).to eq("system")
end
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end
describe '#system_user' do
it 'returns the system user' do
expect(Discourse.system_user.id).to eq(-1)
end
end
describe "#store" do
it "returns LocalStore by default" do
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expect(Discourse.store).to be_a(FileStore::LocalStore)
end
it "returns S3Store when S3 is enabled" do
SiteSetting.enable_s3_uploads = true
SiteSetting.s3_upload_bucket = "s3bucket"
SiteSetting.s3_access_key_id = "s3_access_key_id"
SiteSetting.s3_secret_access_key = "s3_secret_access_key"
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expect(Discourse.store).to be_a(FileStore::S3Store)
end
end
describe 'readonly mode' do
let(:readonly_mode_key) { Discourse::READONLY_MODE_KEY }
let(:readonly_mode_ttl) { Discourse::READONLY_MODE_KEY_TTL }
let(:user_readonly_mode_key) { Discourse::USER_READONLY_MODE_KEY }
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after do
Discourse.redis.del(readonly_mode_key)
Discourse.redis.del(user_readonly_mode_key)
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end
def assert_readonly_mode(message, key, ttl = -1)
expect(message.channel).to eq(Discourse.readonly_channel)
expect(message.data).to eq(true)
expect(Discourse.redis.get(key)).to eq("1")
expect(Discourse.redis.ttl(key)).to eq(ttl)
end
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def assert_readonly_mode_disabled(message, key)
expect(message.channel).to eq(Discourse.readonly_channel)
expect(message.data).to eq(false)
expect(Discourse.redis.get(key)).to eq(nil)
end
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describe ".enable_readonly_mode" do
it "adds a key in redis and publish a message through the message bus" do
expect(Discourse.redis.get(readonly_mode_key)).to eq(nil)
end
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context 'when user enabled readonly mode' do
it "adds a key in redis and publish a message through the message bus" do
expect(Discourse.redis.get(user_readonly_mode_key)).to eq(nil)
end
end
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end
describe ".disable_readonly_mode" do
context 'when user disabled readonly mode' do
it "removes readonly key in redis and publish a message through the message bus" do
message = MessageBus.track_publish { Discourse.disable_readonly_mode(user_readonly_mode_key) }.first
assert_readonly_mode_disabled(message, user_readonly_mode_key)
end
end
end
describe ".readonly_mode?" do
it "is false by default" do
expect(Discourse.readonly_mode?).to eq(false)
end
it "returns true when the key is present in redis" do
Discourse.redis.set(readonly_mode_key, 1)
expect(Discourse.readonly_mode?).to eq(true)
end
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it "returns true when postgres is recently read only" do
Discourse.received_postgres_readonly!
expect(Discourse.readonly_mode?).to eq(true)
end
it "returns true when redis is recently read only" do
Discourse.received_redis_readonly!
expect(Discourse.readonly_mode?).to eq(true)
end
it "returns true when user enabled readonly mode key is present in redis" do
Discourse.enable_readonly_mode(user_readonly_mode_key)
expect(Discourse.readonly_mode?).to eq(true)
expect(Discourse.readonly_mode?(readonly_mode_key)).to eq(false)
Discourse.disable_readonly_mode(user_readonly_mode_key)
expect(Discourse.readonly_mode?).to eq(false)
end
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end
describe ".received_postgres_readonly!" do
it "sets the right time" do
time = Discourse.received_postgres_readonly!
expect(Discourse.postgres_last_read_only['default']).to eq(time)
end
end
describe ".received_redis_readonly!" do
it "sets the right time" do
time = Discourse.received_redis_readonly!
expect(Discourse.redis_last_read_only['default']).to eq(time)
end
end
describe ".clear_readonly!" do
it "publishes the right message" do
Discourse.received_postgres_readonly!
messages = []
expect do
messages = MessageBus.track_publish { Discourse.clear_readonly! }
end.to change { Discourse.postgres_last_read_only['default'] }.to(nil)
expect(messages.any? { |m| m.channel == Site::SITE_JSON_CHANNEL })
.to eq(true)
end
end
end
describe "#handle_exception" do
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class TempSidekiqLogger
attr_accessor :exception, :context
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def call(ex, ctx)
self.exception = ex
self.context = ctx
end
end
let!(:logger) { TempSidekiqLogger.new }
before do
Sidekiq.error_handlers << logger
end
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after do
Sidekiq.error_handlers.delete(logger)
end
describe "#job_exception_stats" do
class FakeTestError < StandardError
end
before do
Discourse.reset_job_exception_stats!
end
after do
Discourse.reset_job_exception_stats!
end
it "should not fail on incorrectly shaped hash" do
expect do
Discourse.handle_job_exception(FakeTestError.new, { job: "test" })
end.to raise_error(FakeTestError)
end
it "should collect job exception stats" do
# see MiniScheduler Manager which reports it like this
# https://github.com/discourse/mini_scheduler/blob/2b2c1c56b6e76f51108c2a305775469e24cf2b65/lib/mini_scheduler/manager.rb#L95
exception_context = {
message: "Running a scheduled job",
job: { "class" => Jobs::ReindexSearch }
}
# re-raised unconditionally in test env
2.times do
expect { Discourse.handle_job_exception(FakeTestError.new, exception_context) }.to raise_error(FakeTestError)
end
exception_context = {
message: "Running a scheduled job",
job: { "class" => Jobs::PollMailbox }
}
expect { Discourse.handle_job_exception(FakeTestError.new, exception_context) }.to raise_error(FakeTestError)
expect(Discourse.job_exception_stats).to eq({
Jobs::PollMailbox => 1,
Jobs::ReindexSearch => 2,
})
end
end
it "should not fail when called" do
exception = StandardError.new
expect do
Discourse.handle_job_exception(exception, nil, nil)
end.to raise_error(StandardError) # Raises in test mode, catch it
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expect(logger.exception).to eq(exception)
expect(logger.context.keys).to eq([:current_db, :current_hostname])
end
it "correctly passes extra context" do
exception = StandardError.new
expect do
Discourse.handle_job_exception(exception, { message: "Doing a test", post_id: 31 }, nil)
end.to raise_error(StandardError) # Raises in test mode, catch it
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expect(logger.exception).to eq(exception)
expect(logger.context.keys.sort).to eq([:current_db, :current_hostname, :message, :post_id].sort)
end
end
describe '#deprecate' do
def old_method(m)
Discourse.deprecate(m)
end
def old_method_caller(m)
old_method(m)
end
before do
@orig_logger = Rails.logger
Rails.logger = @fake_logger = FakeLogger.new
end
after do
Rails.logger = @orig_logger
end
it 'can deprecate usage' do
k = SecureRandom.hex
expect(old_method_caller(k)).to include("old_method_caller")
expect(old_method_caller(k)).to include("discourse_spec")
expect(old_method_caller(k)).to include(k)
expect(@fake_logger.warnings).to eq([old_method_caller(k)])
end
it 'can report the deprecated version' do
Discourse.deprecate(SecureRandom.hex, since: "2.1.0.beta1")
expect(@fake_logger.warnings[0]).to include("(deprecated since Discourse 2.1.0.beta1)")
end
it 'can report the drop version' do
Discourse.deprecate(SecureRandom.hex, drop_from: "2.3.0")
expect(@fake_logger.warnings[0]).to include("(removal in Discourse 2.3.0)")
end
it 'can raise deprecation error' do
expect {
Discourse.deprecate(SecureRandom.hex, raise_error: true)
}.to raise_error(Discourse::Deprecation)
end
end
describe "Utils.execute_command" do
it "works for individual commands" do
expect(Discourse::Utils.execute_command("pwd").strip).to eq(Rails.root.to_s)
expect(Discourse::Utils.execute_command("pwd", chdir: "plugins").strip).to eq("#{Rails.root.to_s}/plugins")
end
it "supports timeouts" do
expect do
Discourse::Utils.execute_command("sleep", "999999999999", timeout: 0.001)
end.to raise_error(RuntimeError)
expect do
Discourse::Utils.execute_command({ "MYENV" => "MYVAL" }, "sleep", "999999999999", timeout: 0.001)
end.to raise_error(RuntimeError)
end
it "works with a block" do
Discourse::Utils.execute_command do |runner|
expect(runner.exec("pwd").strip).to eq(Rails.root.to_s)
end
result = Discourse::Utils.execute_command(chdir: "plugins") do |runner|
expect(runner.exec("pwd").strip).to eq("#{Rails.root.to_s}/plugins")
runner.exec("pwd")
end
# Should return output of block
expect(result.strip).to eq("#{Rails.root.to_s}/plugins")
end
it "does not leak chdir between threads" do
has_done_chdir = false
has_checked_chdir = false
thread = Thread.new do
Discourse::Utils.execute_command(chdir: "plugins") do
has_done_chdir = true
sleep(0.01) until has_checked_chdir
end
end
sleep(0.01) until has_done_chdir
expect(Discourse::Utils.execute_command("pwd").strip).to eq(Rails.root.to_s)
has_checked_chdir = true
thread.join
end
it "raises error for unsafe shell" do
expect(Discourse::Utils.execute_command("pwd").strip).to eq(Rails.root.to_s)
expect do
Discourse::Utils.execute_command("echo a b c")
end.to raise_error(RuntimeError)
expect do
Discourse::Utils.execute_command({ "ENV1" => "VAL" }, "echo a b c")
end.to raise_error(RuntimeError)
expect(Discourse::Utils.execute_command("echo", "a", "b", "c").strip).to eq("a b c")
expect(Discourse::Utils.execute_command("echo a b c", unsafe_shell: true).strip).to eq("a b c")
end
end
describe ".clear_all_theme_cache!" do
before do
setup_s3
SiteSetting.s3_cdn_url = "https://s3.cdn.com/gg"
stub_s3_store
end
let!(:theme) { Fabricate(:theme) }
let!(:upload) { Fabricate(:s3_image_upload) }
let!(:upload_theme_field) do
Fabricate(
:theme_field,
theme: theme,
upload: upload,
type_id: ThemeField.types[:theme_upload_var],
target_id: Theme.targets[:common],
name: "imajee",
value: "",
)
end
let!(:basic_html_field) do
Fabricate(
:theme_field,
theme: theme,
type_id: ThemeField.types[:html],
target_id: Theme.targets[:common],
name: "head_tag",
value: <<~HTML
<script type="text/discourse-plugin" version="0.1">
console.log(settings.uploads.imajee);
</script>
HTML
)
end
let!(:js_field) do
Fabricate(
:theme_field,
theme: theme,
type_id: ThemeField.types[:js],
target_id: Theme.targets[:extra_js],
name: "somefile.js",
value: <<~JS
console.log(settings.uploads.imajee);
JS
)
end
let!(:scss_field) do
Fabricate(
:theme_field,
theme: theme,
type_id: ThemeField.types[:scss],
target_id: Theme.targets[:common],
name: "scss",
value: <<~SCSS
.something { background: url($imajee); }
SCSS
)
end
it "invalidates all JS and CSS caches" do
Stylesheet::Manager.clear_theme_cache!
old_upload_url = Discourse.store.cdn_url(upload.url)
head_tag_script = Nokogiri::HTML5.fragment(
Theme.lookup_field(theme.id, :desktop, "head_tag")
).css('script').first
head_tag_js = JavascriptCache.find_by(digest: head_tag_script[:src][/\h{40}/]).content
expect(head_tag_js).to include(old_upload_url)
js_file_script = Nokogiri::HTML5.fragment(
Theme.lookup_field(theme.id, :extra_js, nil)
).css('script').first
file_js = JavascriptCache.find_by(digest: js_file_script[:src][/\h{40}/]).content
expect(file_js).to include(old_upload_url)
css_link_tag = Nokogiri::HTML5.fragment(
Stylesheet::Manager.new(theme_id: theme.id).stylesheet_link_tag(:desktop_theme, 'all')
).css('link').first
css = StylesheetCache.find_by(digest: css_link_tag[:href][/\h{40}/]).content
expect(css).to include("url(#{old_upload_url})")
SiteSetting.s3_cdn_url = "https://new.s3.cdn.com/gg"
new_upload_url = Discourse.store.cdn_url(upload.url)
head_tag_script = Nokogiri::HTML5.fragment(
Theme.lookup_field(theme.id, :desktop, "head_tag")
).css('script').first
head_tag_js = JavascriptCache.find_by(digest: head_tag_script[:src][/\h{40}/]).content
expect(head_tag_js).to include(old_upload_url)
js_file_script = Nokogiri::HTML5.fragment(
Theme.lookup_field(theme.id, :extra_js, nil)
).css('script').first
file_js = JavascriptCache.find_by(digest: js_file_script[:src][/\h{40}/]).content
expect(file_js).to include(old_upload_url)
css_link_tag = Nokogiri::HTML5.fragment(
Stylesheet::Manager.new(theme_id: theme.id).stylesheet_link_tag(:desktop_theme, 'all')
).css('link').first
css = StylesheetCache.find_by(digest: css_link_tag[:href][/\h{40}/]).content
expect(css).to include("url(#{old_upload_url})")
Discourse.clear_all_theme_cache!
head_tag_script = Nokogiri::HTML5.fragment(
Theme.lookup_field(theme.id, :desktop, "head_tag")
).css('script').first
head_tag_js = JavascriptCache.find_by(digest: head_tag_script[:src][/\h{40}/]).content
expect(head_tag_js).to include(new_upload_url)
js_file_script = Nokogiri::HTML5.fragment(
Theme.lookup_field(theme.id, :extra_js, nil)
).css('script').first
file_js = JavascriptCache.find_by(digest: js_file_script[:src][/\h{40}/]).content
expect(file_js).to include(new_upload_url)
css_link_tag = Nokogiri::HTML5.fragment(
Stylesheet::Manager.new(theme_id: theme.id).stylesheet_link_tag(:desktop_theme, 'all')
).css('link').first
css = StylesheetCache.find_by(digest: css_link_tag[:href][/\h{40}/]).content
expect(css).to include("url(#{new_upload_url})")
end
end
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end