gitlab-org--gitlab-foss/spec/models/wiki_page_spec.rb

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# frozen_string_literal: true
require "spec_helper"
RSpec.describe WikiPage do
let_it_be(:user) { create(:user) }
let_it_be(:container) { create(:project) }
def create_wiki_page(attrs = {})
page = build_wiki_page(attrs)
page.create(message: (attrs[:message] || 'test commit'))
container.wiki.find_page(page.slug)
end
def build_wiki_page(attrs = {})
wiki_page_attrs = { container: container, content: 'test content' }.merge(attrs)
build(:wiki_page, wiki_page_attrs)
end
def wiki
container.wiki
end
def disable_front_matter
stub_feature_flags(Gitlab::WikiPages::FrontMatterParser::FEATURE_FLAG => false)
end
def enable_front_matter_for(thing)
stub_feature_flags(Gitlab::WikiPages::FrontMatterParser::FEATURE_FLAG => thing)
end
# Use for groups of tests that do not modify their `subject`.
#
# include_context 'subject is persisted page', title: 'my title'
shared_context 'subject is persisted page' do |attrs = {}|
let_it_be(:persisted_page) { create_wiki_page(attrs) }
subject { persisted_page }
end
describe '#front_matter' do
let(:wiki_page) { create(:wiki_page, container: container, content: content) }
shared_examples 'a page without front-matter' do
it { expect(wiki_page).to have_attributes(front_matter: {}, content: content) }
end
shared_examples 'a page with front-matter' do
let(:front_matter) { { title: 'Foo', slugs: %w[slug_a slug_b] } }
it { expect(wiki_page.front_matter).to eq(front_matter) }
end
context 'the wiki page has front matter' do
let(:content) do
<<~MD
---
title: Foo
slugs:
- slug_a
- slug_b
---
My actual content
MD
end
it_behaves_like 'a page with front-matter'
it 'strips the front matter from the content' do
expect(wiki_page.content.strip).to eq('My actual content')
end
context 'the feature flag is off' do
before do
disable_front_matter
end
it_behaves_like 'a page without front-matter'
context 'but enabled for the container' do
before do
enable_front_matter_for(container)
end
it_behaves_like 'a page with front-matter'
end
end
end
context 'the wiki page does not have front matter' do
let(:content) { 'My actual content' }
it_behaves_like 'a page without front-matter'
end
context 'the wiki page has fenced blocks, but nothing in them' do
let(:content) do
<<~MD
---
---
My actual content
MD
end
it_behaves_like 'a page without front-matter'
end
context 'the wiki page has invalid YAML type in fenced blocks' do
let(:content) do
<<~MD
---
this isn't YAML
---
My actual content
MD
end
it_behaves_like 'a page without front-matter'
end
context 'the wiki page has a disallowed class in fenced block' do
let(:content) do
<<~MD
---
date: 2010-02-11 11:02:57
---
My actual content
MD
end
it_behaves_like 'a page without front-matter'
end
context 'the wiki page has invalid YAML in fenced block' do
let(:content) do
<<~MD
---
invalid-use-of-reserved-indicator: @text
---
My actual content
MD
end
it_behaves_like 'a page without front-matter'
end
end
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describe '.unhyphenize' do
it 'removes hyphens from a name' do
name = 'a-name--with-hyphens'
expect(described_class.unhyphenize(name)).to eq('a name with hyphens')
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end
end
describe "#initialize" do
context "when initialized with an existing page" do
include_context 'subject is persisted page', title: 'test initialization'
it "sets the slug attribute" do
expect(subject.slug).to eq("test-initialization")
end
it "sets the title attribute" do
expect(subject.title).to eq("test initialization")
end
it "sets the formatted content attribute" do
expect(subject.content).to eq("test content")
end
it "sets the format attribute" do
expect(subject.format).to eq(:markdown)
end
it "sets the message attribute" do
expect(subject.message).to eq("test commit")
end
it "sets the version attribute" do
expect(subject.version).to be_a Gitlab::Git::WikiPageVersion
end
end
end
describe "validations" do
subject { build_wiki_page }
it "validates presence of title" do
subject.attributes.delete(:title)
expect(subject).not_to be_valid
expect(subject.errors.messages).to eq(title: ["can't be blank"])
end
it "validates presence of content" do
subject.attributes.delete(:content)
expect(subject).not_to be_valid
expect(subject.errors.messages).to eq(content: ["can't be blank"])
end
describe '#validate_content_size_limit' do
context 'with a new page' do
before do
stub_application_setting(wiki_page_max_content_bytes: 10)
end
it 'accepts content below the limit' do
subject.attributes[:content] = 'a' * 10
expect(subject).to be_valid
end
it 'rejects content exceeding the limit' do
subject.attributes[:content] = 'a' * 11
expect(subject).not_to be_valid
expect(subject.errors.messages).to eq(
content: ['is too long (11 Bytes). The maximum size is 10 Bytes.']
)
end
it 'counts content size in bytes rather than characters' do
subject.attributes[:content] = '💩💩💩'
expect(subject).not_to be_valid
expect(subject.errors.messages).to eq(
content: ['is too long (12 Bytes). The maximum size is 10 Bytes.']
)
end
end
context 'with an existing page exceeding the limit' do
include_context 'subject is persisted page'
before do
subject
stub_application_setting(wiki_page_max_content_bytes: 11)
end
it 'accepts content when it has not changed' do
expect(subject).to be_valid
end
it 'rejects content when it has changed' do
subject.attributes[:content] = 'a' * 12
expect(subject).not_to be_valid
expect(subject.errors.messages).to eq(
content: ['is too long (12 Bytes). The maximum size is 11 Bytes.']
)
end
end
end
describe '#validate_path_limits' do
let(:max_title) { Gitlab::WikiPages::MAX_TITLE_BYTES }
let(:max_directory) { Gitlab::WikiPages::MAX_DIRECTORY_BYTES }
where(:character) do
['a', 'ä', '🙈']
end
with_them do
let(:size) { character.bytesize.to_f }
let(:valid_title) { character * (max_title / size).floor }
let(:valid_directory) { character * (max_directory / size).floor }
let(:invalid_title) { character * ((max_title + 1) / size).ceil }
let(:invalid_directory) { character * ((max_directory + 1) / size).ceil }
it 'accepts page titles below the limit' do
subject.title = valid_title
expect(subject).to be_valid
end
it 'accepts directories below the limit' do
subject.title = valid_directory + '/foo'
expect(subject).to be_valid
end
it 'accepts a path with page title and directory below the limit' do
subject.title = "#{valid_directory}/#{valid_title}"
expect(subject).to be_valid
end
it 'rejects page titles exceeding the limit' do
subject.title = invalid_title
expect(subject).not_to be_valid
expect(subject.errors[:title]).to contain_exactly(
"exceeds the limit of #{max_title} bytes"
)
end
it 'rejects directories exceeding the limit' do
subject.title = "#{invalid_directory}/#{invalid_directory}2/foo"
expect(subject).not_to be_valid
expect(subject.errors[:title]).to contain_exactly(
"exceeds the limit of #{max_directory} bytes for directory name \"#{invalid_directory}\"",
"exceeds the limit of #{max_directory} bytes for directory name \"#{invalid_directory}2\""
)
end
it 'rejects a page with both title and directory exceeding the limit' do
subject.title = "#{invalid_directory}/#{invalid_title}"
expect(subject).not_to be_valid
expect(subject.errors[:title]).to contain_exactly(
"exceeds the limit of #{max_title} bytes",
"exceeds the limit of #{max_directory} bytes for directory name \"#{invalid_directory}\""
)
end
end
context 'with an existing page title exceeding the limit' do
subject do
title = 'a' * (max_title + 1)
wiki.create_page(title, 'content')
wiki.find_page(title)
end
it 'accepts the exceeding title length when unchanged' do
expect(subject).to be_valid
end
it 'rejects the exceeding title length when changed' do
subject.title = 'b' * (max_title + 1)
expect(subject).not_to be_valid
expect(subject.errors).to include(:title)
end
end
end
end
describe "#create" do
let(:attributes) do
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{
title: SecureRandom.hex,
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content: "Home Page",
format: "markdown",
message: 'Custom Commit Message'
}
end
let(:title) { attributes[:title] }
subject { build_wiki_page }
context "with valid attributes" do
it "saves the wiki page" do
subject.create(attributes)
expect(wiki.find_page(title)).not_to be_nil
end
it "returns true" do
expect(subject.create(attributes)).to eq(true)
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end
it 'saves the wiki page with message' do
subject.create(attributes)
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expect(wiki.find_page(title).message).to eq 'Custom Commit Message'
end
it 'if the title is preceded by a / it is removed' do
subject.create(attributes.merge(title: '/New Page'))
expect(wiki.find_page('New Page')).not_to be_nil
end
end
context "with invalid attributes" do
it 'does not create the page' do
expect { subject.create(title: '') }.not_to change { wiki.list_pages.length }
end
end
end
describe "dot in the title" do
let(:title) { 'Index v1.2.3' }
describe "#create" do
subject { build_wiki_page }
it "saves the wiki page and returns true", :aggregate_failures do
attributes = { title: title, content: "Home Page", format: "markdown" }
expect(subject.create(attributes)).to eq(true)
expect(wiki.find_page(title)).not_to be_nil
end
end
describe '#update' do
subject { create_wiki_page(title: title) }
it 'updates the content of the page and returns true', :aggregate_failures do
expect(subject.update(content: 'new content')).to be_truthy
page = wiki.find_page(title)
expect([subject.content, page.content]).to all(eq('new content'))
end
end
end
describe "#update" do
let!(:original_title) { subject.title }
subject { create_wiki_page }
context "with valid attributes" do
it "updates the content of the page" do
new_content = "new content"
subject.update(content: new_content)
page = wiki.find_page(original_title)
expect([subject.content, page.content]).to all(eq("new content"))
end
it "updates the title of the page" do
new_title = "Index v.1.2.4"
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subject.update(title: new_title)
page = wiki.find_page(new_title)
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expect([subject.title, page.title]).to all(eq(new_title))
end
describe 'updating front_matter' do
shared_examples 'able to update front-matter' do
it 'updates the wiki-page front-matter' do
content = subject.content
subject.update(front_matter: { slugs: ['x'] })
page = wiki.find_page(original_title)
expect([subject, page]).to all(
have_attributes(
front_matter: include(slugs: include('x')),
content: content
))
end
end
it_behaves_like 'able to update front-matter'
context 'the front matter is too long' do
let(:new_front_matter) do
{
title: generate(:wiki_page_title),
slugs: Array.new(51).map { FFaker::Lorem.characters(512) }
}
end
it 'raises an error' do
expect { subject.update(front_matter: new_front_matter) }.to raise_error(described_class::FrontMatterTooLong)
end
end
context 'the front-matter feature flag is not enabled' do
before do
disable_front_matter
end
it 'does not update the front-matter' do
content = subject.content
subject.update(front_matter: { slugs: ['x'] })
page = wiki.find_page(subject.title)
expect([subject, page]).to all(have_attributes(front_matter: be_empty, content: content))
end
context 'but it is enabled for the container' do
before do
enable_front_matter_for(container)
end
it_behaves_like 'able to update front-matter'
end
end
it 'updates the wiki-page front-matter and content together' do
content = 'totally new content'
subject.update(content: content, front_matter: { slugs: ['x'] })
page = wiki.find_page(original_title)
expect([subject, page]).to all(
have_attributes(
front_matter: include(slugs: include('x')),
content: content
))
end
end
it "returns true" do
expect(subject.update(content: "more content")).to be_truthy
end
end
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context 'with same last commit sha' do
it 'returns true' do
expect(subject.update(content: 'more content', last_commit_sha: subject.last_commit_sha)).to be_truthy
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end
end
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context 'with different last commit sha' do
it 'raises exception' do
expect { subject.update(content: 'more content', last_commit_sha: 'xxx') }.to raise_error(WikiPage::PageChangedError)
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end
end
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context 'when renaming a page' do
it 'raises an error if the page already exists' do
existing_page = create_wiki_page
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expect { subject.update(title: existing_page.title, content: 'new_content') }.to raise_error(WikiPage::PageRenameError)
expect(subject.title).to eq original_title
expect(subject.content).to eq 'new_content' # We don't revert the content
end
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it 'updates the content and rename the file' do
new_title = 'Renamed Page'
new_content = 'updated content'
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expect(subject.update(title: new_title, content: new_content)).to be_truthy
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page = wiki.find_page(new_title)
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expect(page).not_to be_nil
expect(page.content).to eq new_content
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end
end
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context 'when moving a page' do
it 'raises an error if the page already exists' do
wiki.create_page('foo/Existing Page', 'content')
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expect { subject.update(title: 'foo/Existing Page', content: 'new_content') }.to raise_error(WikiPage::PageRenameError)
expect(subject.title).to eq original_title
expect(subject.content).to eq 'new_content'
end
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it 'updates the content and moves the file' do
new_title = 'foo/Other Page'
new_content = 'new_content'
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expect(subject.update(title: new_title, content: new_content)).to be_truthy
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page = wiki.find_page(new_title)
expect(page).not_to be_nil
expect(page.content).to eq new_content
end
describe 'in subdir' do
it 'moves the page to the root folder if the title is preceded by /' do
page = create_wiki_page(title: 'foo/Existing Page')
expect(page.slug).to eq 'foo/Existing-Page'
expect(page.update(title: '/Existing Page', content: 'new_content')).to be_truthy
expect(page.slug).to eq 'Existing-Page'
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end
it 'does nothing if it has the same title' do
page = create_wiki_page(title: 'foo/Another Existing Page')
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original_path = page.slug
expect(page.update(title: 'Another Existing Page', content: 'new_content')).to be_truthy
expect(page.slug).to eq original_path
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end
end
context 'in root dir' do
it 'does nothing if the title is preceded by /' do
original_path = subject.slug
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expect(subject.update(title: "/#{subject.title}", content: 'new_content')).to be_truthy
expect(subject.slug).to eq original_path
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end
end
end
context "with invalid attributes" do
it 'aborts update if title blank' do
expect(subject.update(title: '', content: 'new_content')).to be_falsey
expect(subject.content).to eq 'new_content'
page = wiki.find_page(original_title)
expect(page.content).to eq 'test content'
end
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end
end
describe "#delete" do
it "deletes the page and returns true", :aggregate_failures do
page = create_wiki_page
expect do
expect(page.delete).to eq(true)
end.to change { wiki.list_pages.length }.by(-1)
end
end
describe "#versions" do
include_context 'subject is persisted page'
it "returns an array of all commits for the page" do
3.times { |i| subject.update(content: "content #{i}") }
expect(subject.versions.count).to eq(4)
end
it 'returns instances of WikiPageVersion' do
expect(subject.versions).to all( be_a(Gitlab::Git::WikiPageVersion) )
end
end
describe '#title_changed?' do
using RSpec::Parameterized::TableSyntax
let_it_be(:unsaved_page) { build_wiki_page(title: 'test page') }
let_it_be(:existing_page) { create_wiki_page(title: 'test page') }
let_it_be(:directory_page) { create_wiki_page(title: 'parent directory/child page') }
let_it_be(:page_with_special_characters) { create_wiki_page(title: 'test+page') }
let(:untitled_page) { described_class.new(wiki) }
where(:page, :title, :changed) do
:untitled_page | nil | false
:untitled_page | 'new title' | true
:unsaved_page | nil | true
:unsaved_page | 'test page' | true
:unsaved_page | 'test-page' | true
:unsaved_page | 'test+page' | true
:unsaved_page | 'new title' | true
:existing_page | nil | false
:existing_page | 'test page' | false
:existing_page | 'test-page' | false
:existing_page | '/test page' | false
:existing_page | '/test-page' | false
:existing_page | 'test+page' | true
:existing_page | ' test page ' | true
:existing_page | 'new title' | true
:existing_page | 'new-title' | true
:directory_page | nil | false
:directory_page | 'parent directory/child page' | false
:directory_page | 'parent-directory/child page' | false
:directory_page | 'parent-directory/child-page' | false
:directory_page | 'child page' | false
:directory_page | 'child-page' | false
:directory_page | '/child page' | true
:directory_page | 'parent directory/other' | true
:directory_page | 'parent-directory/other' | true
:directory_page | 'parent-directory / child-page' | true
:directory_page | 'other directory/child page' | true
:directory_page | 'other-directory/child page' | true
:page_with_special_characters | nil | false
:page_with_special_characters | 'test+page' | false
:page_with_special_characters | 'test-page' | true
:page_with_special_characters | 'test page' | true
end
with_them do
it 'returns the expected value' do
subject = public_send(page)
subject.title = title if title
expect(subject.title_changed?).to be(changed)
end
end
end
describe '#content_changed?' do
context 'with a new page' do
subject { build_wiki_page }
it 'returns true if content is set' do
subject.attributes[:content] = 'new'
expect(subject.content_changed?).to be(true)
end
it 'returns false if content is blank' do
subject.attributes[:content] = ' '
expect(subject.content_changed?).to be(false)
end
end
context 'with an existing page' do
include_context 'subject is persisted page'
it 'returns false' do
expect(subject.content_changed?).to be(false)
end
it 'returns false if content is set to the same value' do
subject.attributes[:content] = 'test content'
expect(subject.content_changed?).to be(false)
end
it 'returns true if content is changed' do
subject.attributes[:content] = 'new'
expect(subject.content_changed?).to be(true)
end
it 'returns true if content is changed to a blank string' do
subject.attributes[:content] = ' '
expect(subject.content_changed?).to be(true)
end
it 'returns false if only the newline format has changed' do
expect(subject.page).to receive(:text_data).and_return("foo\nbar")
subject.attributes[:content] = "foo\r\nbar"
expect(subject.content_changed?).to be(false)
end
end
end
describe '#path' do
it 'returns the path when persisted' do
existing_page = create_wiki_page(title: 'path test')
expect(existing_page.path).to eq('path-test.md')
end
it 'returns nil when not persisted' do
unsaved_page = build_wiki_page(title: 'path test')
expect(unsaved_page.path).to be_nil
end
end
describe '#directory' do
context 'when the page is at the root directory' do
include_context 'subject is persisted page', title: 'directory test'
it 'returns an empty string' do
expect(subject.directory).to eq('')
end
end
context 'when the page is inside an actual directory' do
include_context 'subject is persisted page', title: 'dir_1/dir_1_1/directory test'
it 'returns the full directory hierarchy' do
expect(subject.directory).to eq('dir_1/dir_1_1')
end
end
end
describe '#historical?' do
include_context 'subject is persisted page'
let(:old_version) { subject.versions.last.id }
let(:old_page) { wiki.find_page(subject.title, old_version) }
let(:latest_version) { subject.versions.first.id }
let(:latest_page) { wiki.find_page(subject.title, latest_version) }
before do
3.times { |i| subject.update(content: "content #{i}") }
end
it 'returns true when requesting an old version' do
expect(old_page.historical?).to be_truthy
end
it 'returns false when requesting latest version' do
expect(latest_page.historical?).to be_falsy
end
it 'returns false when version is nil' do
expect(latest_page).to receive(:version) { nil }
expect(latest_page.historical?).to be_falsy
end
it 'returns false when the last version is nil' do
expect(old_page).to receive(:last_version) { nil }
expect(old_page.historical?).to be_falsy
end
it 'returns false when the version is nil' do
expect(old_page).to receive(:version) { nil }
expect(old_page.historical?).to be_falsy
end
end
describe '#persisted?' do
it 'returns true for a persisted page' do
expect(create_wiki_page).to be_persisted
end
it 'returns false for an unpersisted page' do
expect(build_wiki_page).not_to be_persisted
end
end
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describe '#to_partial_path' do
it 'returns the relative path to the partial to be used' do
expect(build_wiki_page.to_partial_path).to eq('../shared/wikis/wiki_page')
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end
end
describe '#==' do
include_context 'subject is persisted page'
it 'returns true for identical wiki page' do
expect(subject).to eq(subject)
end
it 'returns true for updated wiki page' do
subject.update(content: "Updated content")
updated_page = wiki.find_page(subject.slug)
expect(updated_page).not_to be_nil
expect(updated_page).to eq(subject)
end
it 'returns false for a completely different wiki page' do
other_page = create(:wiki_page)
expect(subject.slug).not_to eq(other_page.slug)
expect(subject.container).not_to eq(other_page.container)
expect(subject).not_to eq(other_page)
end
it 'returns false for page with different slug on same container' do
other_page = create_wiki_page
expect(subject.slug).not_to eq(other_page.slug)
expect(subject.container).to eq(other_page.container)
expect(subject).not_to eq(other_page)
end
it 'returns false for page with the same slug on a different container' do
other_page = create(:wiki_page, title: subject.slug)
expect(subject.slug).to eq(other_page.slug)
expect(subject.container).not_to eq(other_page.container)
expect(subject).not_to eq(other_page)
end
end
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describe '#last_commit_sha' do
include_context 'subject is persisted page'
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it 'returns commit sha' do
expect(subject.last_commit_sha).to eq subject.last_version.sha
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end
it 'is changed after page updated' do
last_commit_sha_before_update = subject.last_commit_sha
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subject.update(content: "new content")
page = wiki.find_page(subject.title)
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expect(page.last_commit_sha).not_to eq last_commit_sha_before_update
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end
end
describe '#hook_attrs' do
subject { build_wiki_page }
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it 'adds absolute urls for images in the content' do
subject.attributes[:content] = 'test![WikiPage_Image](/uploads/abc/WikiPage_Image.png)'
expect(subject.hook_attrs['content']).to eq("test![WikiPage_Image](#{Settings.gitlab.url}/uploads/abc/WikiPage_Image.png)")
end
end
describe '#version_commit_timestamp' do
context 'for a new page' do
it 'returns nil' do
expect(build_wiki_page.version_commit_timestamp).to be_nil
end
end
context 'for page that exists' do
it 'returns the timestamp of the commit' do
existing_page = create_wiki_page
expect(existing_page.version_commit_timestamp).to eq(existing_page.version.commit.committed_date)
end
end
end
describe '#diffs' do
include_context 'subject is persisted page'
it 'returns a diff instance' do
diffs = subject.diffs(foo: 'bar')
expect(diffs).to be_a(Gitlab::Diff::FileCollection::WikiPage)
expect(diffs.diffable).to be_a(Commit)
expect(diffs.diffable.id).to eq(subject.version.id)
expect(diffs.project).to be(subject.wiki)
expect(diffs.diff_options).to include(
expanded: true,
paths: [subject.path],
foo: 'bar'
)
end
end
end