discourse/spec/components/validators/post_validator_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe PostValidator do
fab!(:topic) { Fabricate(:topic) }
let(:post) { build(:post, topic: topic) }
let(:validator) { PostValidator.new({}) }
context "#post_body_validator" do
it 'should not allow a post with an empty raw' do
post.raw = ""
validator.post_body_validator(post)
expect(post.errors).to_not be_empty
end
context "when empty raw can bypass validation" do
let(:validator) { PostValidator.new(skip_post_body: true) }
it "should be allowed for empty raw based on site setting" do
post.raw = ""
validator.post_body_validator(post)
expect(post.errors).to be_empty
end
end
describe "when post's topic is a PM between a human and a non human user" do
fab!(:robot) { Fabricate(:user, id: -3) }
fab!(:user) { Fabricate(:user) }
let(:topic) do
Fabricate(:private_message_topic, topic_allowed_users: [
Fabricate.build(:topic_allowed_user, user: robot),
Fabricate.build(:topic_allowed_user, user: user)
])
end
it 'should allow a post with an empty raw' do
post = Fabricate.build(:post, topic: topic)
post.raw = ""
validator.post_body_validator(post)
expect(post.errors).to be_empty
end
end
end
context "stripped_length" do
it "adds an error for short raw" do
post.raw = "abc"
validator.stripped_length(post)
expect(post.errors.count).to eq(1)
end
it "adds no error for long raw" do
post.raw = "this is a long topic body testing 123"
validator.stripped_length(post)
expect(post.errors.count).to eq(0)
end
end
context "too_many_posts" do
it "should be invalid when the user has posted too much" do
post.user.expects(:posted_too_much_in_topic?).returns(true)
validator.max_posts_validator(post)
expect(post.errors.count).to be > 0
end
it "should be allowed to edit when the user has posted too much" do
post.user.stubs(:posted_too_much_in_topic?).returns(true)
post.expects(:new_record?).returns(false)
validator.max_posts_validator(post)
expect(post.errors.count).to be(0)
end
it "should be valid when the user hasn't posted too much" do
post.user.expects(:posted_too_much_in_topic?).returns(false)
validator.max_posts_validator(post)
expect(post.errors.count).to be(0)
end
end
context "too_many_mentions" do
before do
SiteSetting.newuser_max_mentions_per_post = 2
SiteSetting.max_mentions_per_post = 3
end
it "should be invalid when new user exceeds max mentions limit" do
post.acting_user = build(:newuser)
post.expects(:raw_mentions).returns(['jake', 'finn', 'jake_old'])
validator.max_mention_validator(post)
expect(post.errors.count).to be > 0
end
it "should be invalid when leader user exceeds max mentions limit" do
post.acting_user = build(:trust_level_4)
post.expects(:raw_mentions).returns(['jake', 'finn', 'jake_old', 'jake_new'])
validator.max_mention_validator(post)
expect(post.errors.count).to be > 0
end
it "should be valid when new user does not exceed max mentions limit" do
post.acting_user = build(:newuser)
post.expects(:raw_mentions).returns(['jake', 'finn'])
validator.max_mention_validator(post)
expect(post.errors.count).to be(0)
end
it "should be valid when new user exceeds max mentions limit in PM" do
post.acting_user = build(:newuser)
post.topic.expects(:private_message?).returns(true)
post.expects(:raw_mentions).returns(['jake', 'finn', 'jake_old'])
validator.max_mention_validator(post)
expect(post.errors.count).to be(0)
end
it "should be valid when leader user does not exceed max mentions limit" do
post.acting_user = build(:trust_level_4)
post.expects(:raw_mentions).returns(['jake', 'finn', 'jake_old'])
validator.max_mention_validator(post)
expect(post.errors.count).to be(0)
end
it "should be valid for moderator in all cases" do
post.acting_user = build(:moderator)
post.expects(:raw_mentions).never
validator.max_mention_validator(post)
expect(post.errors.count).to be(0)
end
it "should be valid for admin in all cases" do
post.acting_user = build(:admin)
post.expects(:raw_mentions).never
validator.max_mention_validator(post)
expect(post.errors.count).to be(0)
end
end
context "too_many_images" do
before do
SiteSetting.min_trust_to_post_images = 0
SiteSetting.newuser_max_images = 2
end
it "should be invalid when new user exceeds max mentions limit" do
post.acting_user = build(:newuser)
post.expects(:image_count).returns(3)
validator.max_images_validator(post)
expect(post.errors.count).to be > 0
end
it "should be valid when new user does not exceed max mentions limit" do
post.acting_user = build(:newuser)
post.expects(:image_count).returns(2)
validator.max_images_validator(post)
expect(post.errors.count).to be(0)
end
it "should be invalid when user trust level is not sufficient" do
SiteSetting.min_trust_to_post_images = 4
post.acting_user = build(:leader)
post.expects(:image_count).returns(2)
validator.max_images_validator(post)
expect(post.errors.count).to be > 0
end
it "should be valid for moderator in all cases" do
post.acting_user = build(:moderator)
post.expects(:image_count).never
validator.max_images_validator(post)
expect(post.errors.count).to be(0)
end
it "should be valid for admin in all cases" do
post.acting_user = build(:admin)
post.expects(:image_count).never
validator.max_images_validator(post)
expect(post.errors.count).to be(0)
end
end
context "invalid post" do
it "should be invalid" do
validator.validate(post)
expect(post.errors.count).to be > 0
end
end
describe "unique_post_validator" do
fab!(:user) { Fabricate(:user, id: 999) }
fab!(:post) { Fabricate(:post, user: user, topic: topic) }
before do
SiteSetting.unique_posts_mins = 5
post.store_unique_post_key
@key = post.unique_post_key
end
after do
Discourse.redis.del(@key)
end
context "post is unique" do
let(:new_post) do
Fabricate.build(:post, user: user, raw: "unique content", topic: topic)
end
it "should not add an error" do
validator.unique_post_validator(new_post)
expect(new_post.errors.count).to eq(0)
end
it 'should not add an error when changing an existing post' do
post.raw = "changing raw"
validator.unique_post_validator(post)
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expect(post.errors.count).to eq(0)
end
end
context "post is not unique" do
let(:new_post) do
Fabricate.build(:post, user: user, raw: post.raw, topic: topic)
end
it "should add an error" do
validator.unique_post_validator(new_post)
expect(new_post.errors.to_hash.keys).to contain_exactly(:raw)
end
it "should not add an error if post.skip_unique_check is true" do
new_post.skip_unique_check = true
validator.unique_post_validator(new_post)
expect(new_post.errors.count).to eq(0)
end
end
end
context "force_edit_last_validator" do
fab!(:user) { Fabricate(:user) }
fab!(:other_user) { Fabricate(:user) }
fab!(:topic) { Fabricate(:topic) }
before do
SiteSetting.max_consecutive_replies = 2
end
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it "should always allow original poster to post" do
[user, user, user, other_user, user, user, user].each_with_index do |u, i|
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post = Post.new(user: u, topic: topic, raw: "post number #{i}")
validator.force_edit_last_validator(post)
expect(post.errors.count).to eq(0)
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post.save!
end
end
it "should not allow posting more than 2 consecutive replies" do
Post.create!(user: user, topic: topic, raw: "post number 2", post_number: 2)
Post.create!(user: user, topic: topic, raw: "post number 3", post_number: 3)
Post.create!(user: other_user, topic: topic, raw: "post number 1", post_number: 1)
post = Post.new(user: user, topic: topic, raw: "post number 4", post_number: 4)
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validator.force_edit_last_validator(post)
expect(post.errors.count).to eq(1)
end
it "should always allow editing" do
post = Fabricate(:post, user: user, topic: topic)
post = Fabricate(:post, user: user, topic: topic)
revisor = PostRevisor.new(post)
revisor.revise!(post.user, raw: 'hello world123456789')
end
it "should allow posting more than 2 replies" do
3.times do
post = Fabricate(:post, user: user, topic: topic)
Fabricate(:post, user: other_user, topic: topic)
validator.force_edit_last_validator(post)
expect(post.errors.count).to eq(0)
end
end
end
shared_examples "almost no validations" do
it "skips most validations" do
validator.expects(:stripped_length).never
validator.expects(:raw_quality).never
validator.expects(:max_posts_validator).never
validator.expects(:max_mention_validator).never
validator.expects(:max_images_validator).never
validator.expects(:max_attachments_validator).never
validator.expects(:newuser_links_validator).never
validator.expects(:unique_post_validator).never
validator.expects(:force_edit_last_validator).never
validator.validate(post)
end
end
context "admin editing a static page" do
before do
post.acting_user = build(:admin)
SiteSetting.tos_topic_id = post.topic_id
end
include_examples "almost no validations"
end
context "staged user" do
before { post.acting_user = build(:user, staged: true) }
include_examples "almost no validations"
end
end