Sync integration tests from Prettier

[43081j]

The following tables keep track of the progress toward porting over integration tests from Prettier.

Read this if you'd like to help!

Completed

Test File	PR
arg-parsing.js	418c99b
check.js	3950236
cursor-offset.js	31dca58
error-on-unmatched-pattern.js	51c4400
ignore-absolute-path.js	2e4da3d
ignore-relative-path.js	8b72856
ignore-vcs-files.js	4b35eb4
invalid-ignore.js	5b9688f
list-different.js	480ec27
plugin-default-options.js	17406c9
plugin-extensions.js	2a2bc09
plugin-flush-line-suffix.js	ccaeba0
plugin-precedence.js	10652d7
plugin-preprocess.js	d2cfe19
skip-folders.js	e7606cb
syntax-error.js	e512640
with-node-modules.js	ae58b4a
with-shebang.js	fcdca48
early-exit.js	#22
ignore-emoji.js	#23
ignore-in-subdirectories.js	#24
ignore-path.js	#25
ignore-unknown.js	#27
patterns.js	#20
patterns-glob.js	#37
plugin-options.js	#40
print-code.js	#43
with-parser-inference.js	#54
plugin-options-string.js	#38
plugin-resolution.js	#42
infer-parser.js	#30
infer-plugins-ext-dir.js	#34
line-after-filepath-with-errors.js	#35

Will not migrate

Test File	Notes
cache.js	Caching is implemented differently in prettier-cli
doc-builders.js	builders don't exist in prettier-cli
doc-mark-as-root.js	builders don't exist in prettier-cli
doc-printer.js	builders don't exist in prettier-cli
doc-trim.js	builders don't exist in prettier-cli
doc-utils-clean-doc.js	builders don't exist in prettier-cli
debug-api.js	Debug API will not be part of prettier-cli
debug-check.js	--debug-check is not supported
debug-print-ast.js	--debug-print-ast is not supported
debug-print-comments.js	--debug-print-ast is not supported
debug-print-doc.js	--debug-print-doc is not supported
format-ast.js	Debug API is unsupported
format.js	CLI uses format itself from prettier
file-info.js	--file-info is unsupported
help-options.js	--help for individual options is unsupported
line-suffix-boundary.js	builders don't exist in prettier-cli
mockable.js	debug API is unsupported
parser-api.js	parser API is part of prettier
performance-flags.js	Debug API is unsupported
piped-output.js	Combining write/check/list-different is not supported
plugin-api-embed.js	prettier API tests
plugin-cache.js	prettier API tests
print-doc-to-string.js	prettier API tests
printer-and-parser.js	prettier API tests
resolve-config-file.js	prettier API tests
schema.js	prettier API tests
support-info.js	not currently supported
util-shared.js	prettier API tests
plugin-override-buitin-plugins.js	prettier API tests
with-config-precedence.js	Config precedence isn't supported

To migrate

Test File	Notes
bundle.js
cli.js
config-file-typescript.js	Currently unreleased in prettier, and depends on #21
config-invalid.js
config-resolution.js
log-level.js
patterns-dirs.js
stdin-filepath.js	#52
write.js	#53

[fabiospampinato]

Amazing, thank you! I made the file names clickable and added a little paragraph at the start.

[fabiospampinato]

Probably worth having a note for each test that won't be ported over.

[pralkarz]

For the record, I started working on patterns.js.