580 lines
24 KiB
Ruby
580 lines
24 KiB
Ruby
# frozen_string_literal: true
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require 'fast_spec_helper'
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require_relative '../../../../scripts/lib/glfm/update_example_snapshots'
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# IMPORTANT NOTE: See https://docs.gitlab.com/ee/development/gitlab_flavored_markdown/specification_guide/
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# for details on the implementation and usage of the `update_example_snapshots` script being tested.
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# This developers guide contains diagrams and documentation of the script,
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# including explanations and examples of all files it reads and writes.
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#
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# Note that this test is not structured in a traditional way, with multiple examples
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# to cover all different scenarios. Instead, the content of the stubbed test fixture
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# files are crafted to cover multiple scenarios with in a single example run.
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#
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# This is because the invocation of the full script is slow, because it executes
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# two subshells for processing, one which runs a full Rails environment, and one
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# which runs a jest test environment. This results in each full run of the script
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# taking between 30-60 seconds. The majority of this is spent loading the Rails environment.
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#
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# However, only the `writing html.yml and prosemirror_json.yml` context is used
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# to test these slow sub-processes, and it only contains a single example.
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#
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# All other tests currently in the file pass the `skip_static_and_wysiwyg: true`
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# flag to `#process`, which skips the slow sub-processes. All of these tests
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# should run in sub-second time when the Spring pre-loader is used. This allows
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# logic which is not directly related to the slow sub-processes to be TDD'd with a
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# very rapid feedback cycle.
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#
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# Also, the textual content of the individual fixture file entries is also crafted to help
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# indicate which scenarios which they are covering.
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RSpec.describe Glfm::UpdateExampleSnapshots, '#process' do
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subject { described_class.new }
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# GLFM input files
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let(:glfm_spec_txt_path) { described_class::GLFM_SPEC_TXT_PATH }
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let(:glfm_spec_txt_local_io) { StringIO.new(glfm_spec_txt_contents) }
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let(:glfm_example_status_yml_path) { described_class::GLFM_EXAMPLE_STATUS_YML_PATH }
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let(:glfm_example_status_yml_io) { StringIO.new(glfm_example_status_yml_contents) }
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# Example Snapshot (ES) output files
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let(:es_examples_index_yml_path) { described_class::ES_EXAMPLES_INDEX_YML_PATH }
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let(:es_examples_index_yml_io) { StringIO.new }
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let(:es_markdown_yml_path) { described_class::ES_MARKDOWN_YML_PATH }
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let(:es_markdown_yml_io) { StringIO.new }
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let(:es_html_yml_path) { described_class::ES_HTML_YML_PATH }
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let(:es_html_yml_io_existing) { StringIO.new(es_html_yml_io_existing_contents) }
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let(:es_html_yml_io) { StringIO.new }
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let(:es_prosemirror_json_yml_path) { described_class::ES_PROSEMIRROR_JSON_YML_PATH }
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let(:es_prosemirror_json_yml_io_existing) { StringIO.new(es_prosemirror_json_yml_io_existing_contents) }
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let(:es_prosemirror_json_yml_io) { StringIO.new }
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# Internal tempfiles
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let(:static_html_tempfile_path) { Tempfile.new.path }
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let(:glfm_spec_txt_contents) do
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<<~GLFM_SPEC_TXT_CONTENTS
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---
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title: GitLab Flavored Markdown Spec
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...
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# Introduction
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GLFM intro text...
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# Inlines
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## Strong
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```````````````````````````````` example
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__bold__
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.
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<p><strong>bold</strong></p>
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````````````````````````````````
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```````````````````````````````` example strong
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__bold with more text__
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.
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<p><strong>bold with more text</strong></p>
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````````````````````````````````
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<div class="extension">
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### Motivation
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This is a third-level heading with no examples, as exists in the actual GHFM
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specification. It exists to drive a fix for a bug where this caused the
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indexing and ordering to in examples_index.yml to be incorrect.
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### Another H3
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This is a second consecutive third-level heading. It exists to drive full code coverage
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for this scenario, although it doesn't (yet) exist in the actual spec.txt.
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## An H2 with all disabled examples
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In the GHFM specification, the 'Task list items (extension)' contains only "disabled"
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examples, which are ignored by the GitHub fork of `spec_test.py`, and thus not part of the
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Markdown conformance tests, but are part of the HTML-rendered version of the specification.
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We also exclude them from our GLFM specification for consistency, but we may add
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GitLab-specific examples for the behavior instead.
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```````````````````````````````` example disabled
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this example is disabled during conformance testing
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.
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<p>this example is disabled during conformance testing</p>
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````````````````````````````````
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## Strikethrough (extension)
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GFM enables the `strikethrough` extension.
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```````````````````````````````` example strikethrough
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~~Hi~~ Hello, world!
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.
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<p><del>Hi</del> Hello, world!</p>
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````````````````````````````````
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</div>
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End of last GitHub examples section.
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# First GitLab-Specific Section with Examples
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## Strong but with two asterisks
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```````````````````````````````` example gitlab strong
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**bold**
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.
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<p><strong>bold</strong></p>
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````````````````````````````````
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# Second GitLab-Specific Section with Examples
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## Strong but with HTML
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```````````````````````````````` example gitlab strong
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<strong>
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bold
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</strong>
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.
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<p><strong>
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bold
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</strong></p>
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````````````````````````````````
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# Third GitLab-Specific Section with skipped Examples
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## Strong but skipped
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```````````````````````````````` example gitlab strong
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**this example will be skipped**
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.
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<p><strong>this example will be skipped</strong></p>
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````````````````````````````````
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## Strong but manually modified and skipped
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```````````````````````````````` example gitlab strong
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**This example will have its manually modified static HTML, WYSIWYG HTML, and ProseMirror JSON preserved**
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.
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<p><strong>This example will have its manually modified static HTML, WYSIWYG HTML, and ProseMirror JSON preserved</strong></p>
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````````````````````````````````
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<!-- END TESTS -->
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# Appendix
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Appendix text.
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GLFM_SPEC_TXT_CONTENTS
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end
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let(:glfm_example_status_yml_contents) do
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# language=YAML
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<<~GLFM_EXAMPLE_STATUS_YML_CONTENTS
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---
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02_01__inlines__strong__001:
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# The skip_update_example_snapshots key is present, but false, so this example is not skipped
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skip_update_example_snapshots: false
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02_01__inlines__strong__002:
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# It is OK to have an empty (nil) value for an example statuses entry, it means they will all be false.
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05_01__third_gitlab_specific_section_with_skipped_examples__strong_but_skipped__001:
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# Always skip this example
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skip_update_example_snapshots: 'skipping this example because it is very bad'
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05_02__third_gitlab_specific_section_with_skipped_examples__strong_but_manually_modified_and_skipped__001:
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# Always skip this example, but preserve the existing manual modifications
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skip_update_example_snapshots: 'skipping this example because we have manually modified it'
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GLFM_EXAMPLE_STATUS_YML_CONTENTS
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end
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let(:es_html_yml_io_existing_contents) do
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# language=YAML
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<<~ES_HTML_YML_IO_EXISTING_CONTENTS
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---
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00_00__obsolete_entry_to_be_deleted__001:
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canonical: |
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This entry is no longer exists in the spec.txt, and is not skipped, so it will be deleted.
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static: |-
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This entry is no longer exists in the spec.txt, and is not skipped, so it will be deleted.
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wysiwyg: |-
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This entry is no longer exists in the spec.txt, and is not skipped, so it will be deleted.
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02_01__inlines__strong__001:
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canonical: |
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This entry is existing, but not skipped, so it will be overwritten.
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static: |-
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This entry is existing, but not skipped, so it will be overwritten.
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wysiwyg: |-
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This entry is existing, but not skipped, so it will be overwritten.
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05_02__third_gitlab_specific_section_with_skipped_examples__strong_but_manually_modified_and_skipped__001:
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canonical: |
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<p><strong>This example will have its manually modified static HTML, WYSIWYG HTML, and ProseMirror JSON preserved</strong></p>
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static: |-
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<p>This is the manually modified static HTML which will be preserved</p>
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wysiwyg: |-
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<p>This is the manually modified WYSIWYG HTML which will be preserved</p>
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ES_HTML_YML_IO_EXISTING_CONTENTS
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end
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let(:es_prosemirror_json_yml_io_existing_contents) do
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# language=YAML
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<<~ES_PROSEMIRROR_JSON_YML_IO_EXISTING_CONTENTS
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---
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00_00__obsolete_entry_to_be_deleted__001:
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{
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"obsolete": "This entry is no longer exists in the spec.txt, and is not skipped, so it will be deleted."
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}
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02_01__inlines__strong__001: |-
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{
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"existing": "This entry is existing, but not skipped, so it will be overwritten."
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}
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# 02_01__inlines__strong__002: is omitted from the existing file and skipped, to test that scenario.
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02_03__inlines__strikethrough_extension__001: |-
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{
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"type": "doc",
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"content": [
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{
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"type": "paragraph",
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"content": [
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{
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"type": "text",
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"text": "~~Hi~~ Hello, world!"
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}
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]
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}
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]
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}
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04_01__second_gitlab_specific_section_with_examples__strong_but_with_html__001: |-
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{
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"existing": "This entry is manually modified and preserved because skip_update_example_snapshot_prosemirror_json will be truthy"
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}
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05_02__third_gitlab_specific_section_with_skipped_examples__strong_but_manually_modified_and_skipped__001: |-
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{
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"existing": "This entry is manually modified and preserved because skip_update_example_snapshots will be truthy"
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}
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ES_PROSEMIRROR_JSON_YML_IO_EXISTING_CONTENTS
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end
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before do
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# We mock out the URI and local file IO objects with real StringIO, instead of just mock
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# objects. This gives better and more realistic coverage, while still avoiding
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# actual network and filesystem I/O during the spec run.
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# input files
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allow(File).to receive(:open).with(glfm_spec_txt_path) { glfm_spec_txt_local_io }
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allow(File).to receive(:open).with(glfm_example_status_yml_path) { glfm_example_status_yml_io }
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# output files
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allow(File).to receive(:open).with(es_examples_index_yml_path, 'w') { es_examples_index_yml_io }
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# output files which are also input files
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allow(File).to receive(:open).with(es_markdown_yml_path, 'w') { es_markdown_yml_io }
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allow(File).to receive(:open).with(es_markdown_yml_path) { es_markdown_yml_io }
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allow(File).to receive(:open).with(es_html_yml_path, 'w') { es_html_yml_io }
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allow(File).to receive(:open).with(es_html_yml_path) { es_html_yml_io_existing }
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allow(File).to receive(:open).with(es_prosemirror_json_yml_path, 'w') { es_prosemirror_json_yml_io }
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allow(File).to receive(:open).with(es_prosemirror_json_yml_path) { es_prosemirror_json_yml_io_existing }
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# Allow normal opening of Tempfile files created during script execution.
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tempfile_basenames = [
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described_class::MARKDOWN_TEMPFILE_BASENAME[0],
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described_class::STATIC_HTML_TEMPFILE_BASENAME[0],
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described_class::WYSIWYG_HTML_AND_JSON_TEMPFILE_BASENAME[0]
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].join('|')
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# NOTE: This approach with a single regex seems to be the only way this can work. If you
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# attempt to have multiple `allow...and_call_original` with `any_args`, the mocked
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# parameter matching will fail to match the second one.
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tempfiles_regex = /(#{tempfile_basenames})/
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allow(File).to receive(:open).with(tempfiles_regex, any_args).and_call_original
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# Prevent console output when running tests
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allow(subject).to receive(:output)
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end
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describe 'when skip_update_example_snapshots is truthy' do
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let(:es_examples_index_yml_contents) { reread_io(es_examples_index_yml_io) }
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let(:es_markdown_yml_contents) { reread_io(es_markdown_yml_io) }
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let(:expected_unskipped_example) do
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/05_01__third_gitlab_specific_section_with_skipped_examples__strong_but_skipped__001/
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end
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it 'still writes the example to examples_index.yml' do
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subject.process(skip_static_and_wysiwyg: true)
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expect(es_examples_index_yml_contents).to match(expected_unskipped_example)
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end
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it 'still writes the example to markdown.yml' do
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subject.process(skip_static_and_wysiwyg: true)
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expect(es_markdown_yml_contents).to match(expected_unskipped_example)
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end
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describe 'when any other skip_update_example_* is also truthy' do
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let(:glfm_example_status_yml_contents) do
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# language=YAML
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<<~GLFM_EXAMPLE_STATUS_YML_CONTENTS
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---
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02_01__inlines__strong__001:
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skip_update_example_snapshots: 'if the skip_update_example_snapshots key is truthy...'
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skip_update_example_snapshot_html_static: '...then no other skip_update_example_* keys can be truthy'
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GLFM_EXAMPLE_STATUS_YML_CONTENTS
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end
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it 'raises an error' do
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expected_msg = "Error: '02_01__inlines__strong__001' must not have any 'skip_update_example_snapshot_*' " \
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"values specified if 'skip_update_example_snapshots' is truthy"
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expect { subject.process }.to raise_error(/#{Regexp.escape(expected_msg)}/)
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end
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end
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end
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describe 'writing examples_index.yml' do
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let(:es_examples_index_yml_contents) { reread_io(es_examples_index_yml_io) }
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let(:expected_examples_index_yml_contents) do
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# language=YAML
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<<~ES_EXAMPLES_INDEX_YML_CONTENTS
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---
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02_01__inlines__strong__001:
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spec_txt_example_position: 1
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source_specification: commonmark
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02_01__inlines__strong__002:
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spec_txt_example_position: 2
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source_specification: github
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02_03__inlines__strikethrough_extension__001:
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spec_txt_example_position: 4
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source_specification: github
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03_01__first_gitlab_specific_section_with_examples__strong_but_with_two_asterisks__001:
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spec_txt_example_position: 5
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source_specification: gitlab
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04_01__second_gitlab_specific_section_with_examples__strong_but_with_html__001:
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spec_txt_example_position: 6
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source_specification: gitlab
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05_01__third_gitlab_specific_section_with_skipped_examples__strong_but_skipped__001:
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spec_txt_example_position: 7
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source_specification: gitlab
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05_02__third_gitlab_specific_section_with_skipped_examples__strong_but_manually_modified_and_skipped__001:
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spec_txt_example_position: 8
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source_specification: gitlab
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ES_EXAMPLES_INDEX_YML_CONTENTS
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end
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it 'writes the correct content' do
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subject.process(skip_static_and_wysiwyg: true)
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expect(es_examples_index_yml_contents).to eq(expected_examples_index_yml_contents)
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end
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end
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describe 'writing markdown.yml' do
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let(:es_markdown_yml_contents) { reread_io(es_markdown_yml_io) }
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let(:expected_markdown_yml_contents) do
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# language=YAML
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<<~ES_MARKDOWN_YML_CONTENTS
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---
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02_01__inlines__strong__001: |
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__bold__
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02_01__inlines__strong__002: |
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__bold with more text__
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02_03__inlines__strikethrough_extension__001: |
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~~Hi~~ Hello, world!
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03_01__first_gitlab_specific_section_with_examples__strong_but_with_two_asterisks__001: |
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**bold**
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04_01__second_gitlab_specific_section_with_examples__strong_but_with_html__001: |
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<strong>
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bold
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</strong>
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05_01__third_gitlab_specific_section_with_skipped_examples__strong_but_skipped__001: |
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**this example will be skipped**
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05_02__third_gitlab_specific_section_with_skipped_examples__strong_but_manually_modified_and_skipped__001: |
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**This example will have its manually modified static HTML, WYSIWYG HTML, and ProseMirror JSON preserved**
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ES_MARKDOWN_YML_CONTENTS
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end
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it 'writes the correct content' do
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subject.process(skip_static_and_wysiwyg: true)
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expect(es_markdown_yml_contents).to eq(expected_markdown_yml_contents)
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end
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end
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describe 'writing html.yml and prosemirror_json.yml' do
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let(:es_html_yml_contents) { reread_io(es_html_yml_io) }
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let(:es_prosemirror_json_yml_contents) { reread_io(es_prosemirror_json_yml_io) }
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# NOTE: This example_status.yml is crafted in conjunction with expected_html_yml_contents
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# to test the behavior of the `skip_update_*` flags
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let(:glfm_example_status_yml_contents) do
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# language=YAML
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<<~GLFM_EXAMPLE_STATUS_YML_CONTENTS
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---
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02_01__inlines__strong__002:
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skip_update_example_snapshot_prosemirror_json: "skipping because JSON isn't cool enough"
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03_01__first_gitlab_specific_section_with_examples__strong_but_with_two_asterisks__001:
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skip_update_example_snapshot_html_static: "skipping because there's too much static"
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04_01__second_gitlab_specific_section_with_examples__strong_but_with_html__001:
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skip_update_example_snapshot_html_wysiwyg: 'skipping because what you see is NOT what you get'
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skip_update_example_snapshot_prosemirror_json: "skipping because JSON still isn't cool enough"
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05_01__third_gitlab_specific_section_with_skipped_examples__strong_but_skipped__001:
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skip_update_example_snapshots: 'skipping this example because it is very bad'
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05_02__third_gitlab_specific_section_with_skipped_examples__strong_but_manually_modified_and_skipped__001:
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skip_update_example_snapshots: 'skipping this example because we have manually modified it'
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GLFM_EXAMPLE_STATUS_YML_CONTENTS
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end
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let(:expected_html_yml_contents) do
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# language=YAML
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<<~ES_HTML_YML_CONTENTS
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---
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02_01__inlines__strong__001:
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canonical: |
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<p><strong>bold</strong></p>
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static: |-
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<p data-sourcepos="1:1-1:8" dir="auto"><strong>bold</strong></p>
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wysiwyg: |-
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<p><strong>bold</strong></p>
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02_01__inlines__strong__002:
|
|
canonical: |
|
|
<p><strong>bold with more text</strong></p>
|
|
static: |-
|
|
<p data-sourcepos="1:1-1:23" dir="auto"><strong>bold with more text</strong></p>
|
|
wysiwyg: |-
|
|
<p><strong>bold with more text</strong></p>
|
|
02_03__inlines__strikethrough_extension__001:
|
|
canonical: |
|
|
<p><del>Hi</del> Hello, world!</p>
|
|
static: |-
|
|
<p data-sourcepos="1:1-1:20" dir="auto"><del>Hi</del> Hello, world!</p>
|
|
wysiwyg: |-
|
|
<p><s>Hi</s> Hello, world!</p>
|
|
03_01__first_gitlab_specific_section_with_examples__strong_but_with_two_asterisks__001:
|
|
canonical: |
|
|
<p><strong>bold</strong></p>
|
|
wysiwyg: |-
|
|
<p><strong>bold</strong></p>
|
|
04_01__second_gitlab_specific_section_with_examples__strong_but_with_html__001:
|
|
canonical: |
|
|
<p><strong>
|
|
bold
|
|
</strong></p>
|
|
static: |-
|
|
<strong>
|
|
bold
|
|
</strong>
|
|
05_02__third_gitlab_specific_section_with_skipped_examples__strong_but_manually_modified_and_skipped__001:
|
|
canonical: |
|
|
<p><strong>This example will have its manually modified static HTML, WYSIWYG HTML, and ProseMirror JSON preserved</strong></p>
|
|
static: |-
|
|
<p>This is the manually modified static HTML which will be preserved</p>
|
|
wysiwyg: |-
|
|
<p>This is the manually modified WYSIWYG HTML which will be preserved</p>
|
|
ES_HTML_YML_CONTENTS
|
|
end
|
|
|
|
let(:expected_prosemirror_json_contents) do
|
|
# language=YAML
|
|
<<~ES_PROSEMIRROR_JSON_YML_CONTENTS
|
|
---
|
|
02_01__inlines__strong__001: |-
|
|
{
|
|
"type": "doc",
|
|
"content": [
|
|
{
|
|
"type": "paragraph",
|
|
"content": [
|
|
{
|
|
"type": "text",
|
|
"marks": [
|
|
{
|
|
"type": "bold"
|
|
}
|
|
],
|
|
"text": "bold"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
02_03__inlines__strikethrough_extension__001: |-
|
|
{
|
|
"type": "doc",
|
|
"content": [
|
|
{
|
|
"type": "paragraph",
|
|
"content": [
|
|
{
|
|
"type": "text",
|
|
"marks": [
|
|
{
|
|
"type": "strike"
|
|
}
|
|
],
|
|
"text": "Hi"
|
|
},
|
|
{
|
|
"type": "text",
|
|
"text": " Hello, world!"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
03_01__first_gitlab_specific_section_with_examples__strong_but_with_two_asterisks__001: |-
|
|
{
|
|
"type": "doc",
|
|
"content": [
|
|
{
|
|
"type": "paragraph",
|
|
"content": [
|
|
{
|
|
"type": "text",
|
|
"marks": [
|
|
{
|
|
"type": "bold"
|
|
}
|
|
],
|
|
"text": "bold"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
04_01__second_gitlab_specific_section_with_examples__strong_but_with_html__001: |-
|
|
{
|
|
"existing": "This entry is manually modified and preserved because skip_update_example_snapshot_prosemirror_json will be truthy"
|
|
}
|
|
05_02__third_gitlab_specific_section_with_skipped_examples__strong_but_manually_modified_and_skipped__001: |-
|
|
{
|
|
"existing": "This entry is manually modified and preserved because skip_update_example_snapshots will be truthy"
|
|
}
|
|
ES_PROSEMIRROR_JSON_YML_CONTENTS
|
|
end
|
|
|
|
before do
|
|
# NOTE: This is a necessary to avoid an `error Couldn't find an integrity file` error
|
|
# when invoking `yarn jest ...` on CI from within an RSpec job. It could be solved by
|
|
# adding `.yarn-install` to be included in the RSpec CI job, but that would be a performance
|
|
# hit to all RSpec jobs. We could also make a dedicate job just for this spec. However,
|
|
# since this is just a single script, those options may not be justified.
|
|
described_class.new.run_external_cmd('yarn install') if ENV['CI']
|
|
end
|
|
|
|
# NOTE: Both `html.yml` and `prosemirror_json.yml` generation are tested in a single example, to
|
|
# avoid slower tests, because generating the static HTML is slow due to the need to invoke
|
|
# the rails environment. We could have separate sections, but this would require an extra flag
|
|
# to the `process` method to independently skip static vs. WYSIWYG, which is not worth the effort.
|
|
it 'writes the correct content', :unlimited_max_formatted_output_length do
|
|
# expectation that skipping message is only output once per example
|
|
expect(subject).to receive(:output).once.with(/reason.*skipping this example because it is very bad/i)
|
|
|
|
subject.process
|
|
|
|
expect(es_html_yml_contents).to eq(expected_html_yml_contents)
|
|
expect(es_prosemirror_json_yml_contents).to eq(expected_prosemirror_json_contents)
|
|
end
|
|
end
|
|
|
|
def reread_io(io)
|
|
# Reset the io StringIO to the beginning position of the buffer
|
|
io.seek(0)
|
|
io.read
|
|
end
|
|
end
|