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Improve spec

This commit is contained in:
Douwe Maan 2017-01-16 18:11:15 -05:00
parent 37cabebe16
commit bc3448fc48
3 changed files with 159 additions and 153 deletions
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7
app/assets/javascripts/copy_as_gfm.js.es6
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@ -3,9 +3,10 @@
(() => {
const gfmRules = {
// Should have an entry for every filter in lib/banzai/pipeline/gfm_pipeline.rb,
// in reverse order.
// Should have test coverage in spec/features/copy_as_gfm_spec.rb.
// The filters referenced in lib/banzai/pipeline/gfm_pipeline.rb convert GitLab Flavored Markdown (GFM) to HTML.
// These handlers consequently convert that same HTML to GFM to be copied to the clipboard.
// Every filter in lib/banzai/pipeline/gfm_pipeline.rb that generates HTML from GFM should have a handler here, in reverse order.
// The GFM-to-HTML-to-GFM cycle is tested in spec/features/copy_as_gfm_spec.rb.
InlineDiffFilter: {
'span.idiff.addition'(el, text) {
return `{+${text}+}`;

7
lib/banzai/pipeline/gfm_pipeline.rb
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@ -1,9 +1,10 @@
module Banzai
module Pipeline
class GfmPipeline < BasePipeline
# Every filter should have an entry in app/assets/javascripts/copy_as_gfm.js.es6,
# in reverse order.
# Should have test coverage in spec/features/copy_as_gfm_spec.rb.
# These filters convert GitLab Flavored Markdown (GFM) to HTML.
# The handlers defined in app/assets/javascripts/copy_as_gfm.js.es6 consequently convert that same HTML to GFM to be copied to the clipboard.
# Every filter that generates HTML from GFM should have a handler in app/assets/javascripts/copy_as_gfm.js.es6, in reverse order.
# The GFM-to-HTML-to-GFM cycle is tested in spec/features/copy_as_gfm_spec.rb.
def self.filters
@filters ||= FilterArray[
Filter::SyntaxHighlightFilter,

186
spec/features/copy_as_gfm_spec.rb
View File

@ -13,17 +13,17 @@ describe 'Copy as GFM', feature: true, js: true do
visit namespace_project_issue_path(@project.namespace, @project, @feat.issue)
end
# Should have an entry for every filter in lib/banzai/pipeline/gfm_pipeline.rb
# and app/assets/javascripts/copy_as_gfm.js.es6
filters = {
'any filter' => [
[
'crazy nesting',
'> 1. [x] **[$`2 + 2`$ {-=-}{+=+} 2^2 ~~:thumbsup:~~](http://google.com)**'
],
[
'real world example from the gitlab-ce README',
<<-GFM.strip_heredoc
# The filters referenced in lib/banzai/pipeline/gfm_pipeline.rb convert GitLab Flavored Markdown (GFM) to HTML.
# The handlers defined in app/assets/javascripts/copy_as_gfm.js.es6 consequently convert that same HTML to GFM.
# To make sure these filters and handlers are properly aligned, this spec tests the GFM-to-HTML-to-GFM cycle
# by verifying (`html_to_gfm(gfm_to_html(gfm)) == gfm`) for a number of examples of GFM for every filter.
it 'supports nesting' do
verify '> 1. [x] **[$`2 + 2`$ {-=-}{+=+} 2^2 ~~:thumbsup:~~](http://google.com)**'
end
it 'supports a real world example from the gitlab-ce README' do
verify <<-GFM.strip_heredoc
# GitLab
[![Build status](https://gitlab.com/gitlab-org/gitlab-ce/badges/master/build.svg)](https://gitlab.com/gitlab-org/gitlab-ce/commits/master)
@ -52,78 +52,96 @@ describe 'Copy as GFM', feature: true, js: true do
- Completely free and open source (MIT Expat license)
GFM
]
],
'InlineDiffFilter' => [
end
it 'supports InlineDiffFilter' do
verify(
'{-Deleted text-}',
'{+Added text+}'
],
'TaskListFilter' => [
)
end
it 'supports TaskListFilter' do
verify(
'- [ ] Unchecked task',
'- [x] Checked task',
'1. [ ] Unchecked numbered task',
'1. [x] Checked numbered task'
],
'ReferenceFilter' => [
['issue reference', -> { @feat.issue.to_reference }],
['full issue reference', -> { @feat.issue.to_reference(full: true) }],
['issue URL', -> { namespace_project_issue_url(@project.namespace, @project, @feat.issue) }],
['issue URL with note anchor', -> { namespace_project_issue_url(@project.namespace, @project, @feat.issue, anchor: 'note_123') }],
['issue link', -> { "[Issue](#{namespace_project_issue_url(@project.namespace, @project, @feat.issue)})" }],
['issue link with note anchor', -> { "[Issue](#{namespace_project_issue_url(@project.namespace, @project, @feat.issue, anchor: 'note_123')})" }],
],
'AutolinkFilter' => [
'https://example.com'
],
'TableOfContentsFilter' => [
'[[_TOC_]]'
],
'EmojiFilter' => [
':thumbsup:'
],
'ImageLinkFilter' => [
'![Image](https://example.com/image.png)'
],
'VideoLinkFilter' => [
'![Video](https://example.com/video.mp4)'
],
'MathFilter' => [
)
end
it 'supports ReferenceFilter' do
verify(
# issue reference
@feat.issue.to_reference,
# full issue reference
@feat.issue.to_reference(full: true),
# issue URL
namespace_project_issue_url(@project.namespace, @project, @feat.issue),
# issue URL with note anchor
namespace_project_issue_url(@project.namespace, @project, @feat.issue, anchor: 'note_123'),
# issue link
"[Issue](#{namespace_project_issue_url(@project.namespace, @project, @feat.issue)})",
# issue link with note anchor
"[Issue](#{namespace_project_issue_url(@project.namespace, @project, @feat.issue, anchor: 'note_123')})",
)
end
it 'supports AutolinkFilter' do
verify 'https://example.com'
end
it 'supports TableOfContentsFilter' do
verify '[[_TOC_]]'
end
it 'supports EmojiFilter' do
verify ':thumbsup:'
end
it 'supports ImageLinkFilter' do
verify '![Image](https://example.com/image.png)'
end
it 'supports VideoLinkFilter' do
verify '![Video](https://example.com/video.mp4)'
end
it 'supports MathFilter' do
verify(
'$`c = \pm\sqrt{a^2 + b^2}`$',
[
'math block',
# math block
<<-GFM.strip_heredoc
```math
c = \pm\sqrt{a^2 + b^2}
```
GFM
]
],
'SyntaxHighlightFilter' => [
[
'code block',
<<-GFM.strip_heredoc
)
end
it 'supports SyntaxHighlightFilter' do
verify <<-GFM.strip_heredoc
```ruby
def foo
bar
end
```
GFM
]
],
'MarkdownFilter' => [
end
it 'supports MarkdownFilter' do
verify(
'`code`',
'`` code with ` ticks ``',
'> Quote',
[
'multiline quote',
# multiline quote
<<-GFM.strip_heredoc,
> Multiline
> Quote
>
> With multiple paragraphs
GFM
],
'![Image](https://example.com/image.png)',
@ -132,39 +150,36 @@ describe 'Copy as GFM', feature: true, js: true do
'[Link](https://example.com)',
'- List item',
[
'multiline list item',
# multiline list item
<<-GFM.strip_heredoc,
- Multiline
List item
GFM
],
[
'nested lists',
# nested lists
<<-GFM.strip_heredoc,
- Nested
- Lists
GFM
],
'1. Numbered list item',
[
'multiline numbered list item',
# multiline numbered list item
<<-GFM.strip_heredoc,
1. Multiline
Numbered list item
GFM
],
[
'nested numbered list',
# nested numbered list
<<-GFM.strip_heredoc,
1. Nested
1. Numbered lists
GFM
],
'# Heading',
'## Heading',
@ -183,38 +198,17 @@ describe 'Copy as GFM', feature: true, js: true do
'-----',
[
'table',
# table
<<-GFM.strip_heredoc,
| Centered | Right | Left |
| :------: | ----: | ---- |
| Foo | Bar | **Baz** |
| Foo | Bar | **Baz** |
GFM
]
]
}
filters.each do |filter, examples|
context filter do
examples.each do |ex|
if ex.is_a?(String)
desc = "'#{ex}'"
gfm = ex
else
desc, gfm = ex
)
end
it "transforms #{desc} to HTML and back to GFM" do
gfm = instance_exec(&gfm) if gfm.is_a?(Proc)
html = markdown(gfm)
gfm2 = html_to_gfm(html)
expect(gfm2.strip).to eq(gfm.strip)
end
end
end
end
alias_method :gfm_to_html, :markdown
def html_to_gfm(html)
js = <<-JS.strip_heredoc
@ -227,6 +221,16 @@ describe 'Copy as GFM', feature: true, js: true do
page.evaluate_script(js)
end
def verify(*gfms)
aggregate_failures do
gfms.each do |gfm|
html = gfm_to_html(gfm)
output_gfm = html_to_gfm(html)
expect(output_gfm.strip).to eq(gfm.strip)
end
end
end
# Fake a `current_user` helper
def current_user
@feat.user