Add fusion-lint, documentation, and tests (#648)

* Add `fusion-lint` for first FusionScript linter

* Add documentation over `fusion-lint`

* Add tests for `fusion-lint` command callback

5 files changed, 94 insertions, 0 deletions

diff --git a/README.md b/README.md
index 8543129b..204c12d6 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,7 @@ name. That seems to be the fairest way to arrange this table.
 | Erb | [erb](https://github.com/jeremyevans/erubi) |
 | Erlang | [erlc](http://erlang.org/doc/man/erlc.html) |
 | Fortran | [gcc](https://gcc.gnu.org/) |
+| FusionScript | [fusion-lint](https://github.com/RyanSquared/fusionscript) |
 | Go | [gofmt -e](https://golang.org/cmd/gofmt/), [go vet](https://golang.org/cmd/vet/), [golint](https://godoc.org/github.com/golang/lint), [gometalinter](https://github.com/alecthomas/gometalinter), [go build](https://golang.org/cmd/go/), [gosimple](https://github.com/dominikh/go-tools/tree/master/cmd/gosimple), [staticcheck](https://github.com/dominikh/go-tools/tree/master/cmd/staticcheck) |
 | Haml | [haml-lint](https://github.com/brigade/haml-lint)
 | Handlebars | [ember-template-lint](https://github.com/rwjblue/ember-template-lint) |
diff --git a/ale_linters/fuse/fusionlint.vim b/ale_linters/fuse/fusionlint.vim
new file mode 100644
index 00000000..968e801b
--- /dev/null
+++ b/ale_linters/fuse/fusionlint.vim
@@ -0,0 +1,41 @@
+" Author: RyanSquared <vandor2012@gmail.com>
+" Description: `fusion-lint` linter for FusionScript files
+
+let g:ale_fuse_fusionlint_executable =
+\   get(g:, 'ale_fuse_fusionlint_executable', 'fusion-lint')
+
+let g:ale_fuse_fusionlint_options =
+\   get(g:, 'ale_fuse_fusionlint_options', '')
+
+function! ale_linters#fuse#fusionlint#GetExecutable(buffer) abort
+    return ale#Var(a:buffer, 'fuse_fusionlint_executable')
+endfunction
+
+function! ale_linters#fuse#fusionlint#GetCommand(buffer) abort
+    return ale#Escape(ale_linters#fuse#fusionlint#GetExecutable(a:buffer))
+    \   . ' ' . ale#Var(a:buffer, 'fuse_fusionlint_options')
+    \   . ' --filename %s -i'
+endfunction
+
+function! ale_linters#fuse#fusionlint#Handle(buffer, lines) abort
+    let l:pattern = '^.*:\(\d\+\):\(\d\+\): (\([WE]\)\d\+) \(.\+\)$'
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        call add(l:output, {
+        \   'lnum': l:match[1] + 0,
+        \   'col': l:match[2] + 0,
+        \   'text': l:match[4],
+        \   'type': l:match[3],
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('fuse', {
+\   'name': 'fusionlint',
+\   'executable_callback': 'ale_linters#fuse#fusionlint#GetExecutable',
+\   'command_callback': 'ale_linters#fuse#fusionlint#GetCommand',
+\   'callback': 'ale_linters#fuse#fusionlint#Handle',
+\})
diff --git a/doc/ale-fuse.txt b/doc/ale-fuse.txt
new file mode 100644
index 00000000..2a84f4ec
--- /dev/null
+++ b/doc/ale-fuse.txt
@@ -0,0 +1,25 @@
+===============================================================================
+ALE FusionScript Integration                                   *ale-fuse-options*
+
+
+-------------------------------------------------------------------------------
+4.12. fusionlint                                           *ale-fuse-fusionlint*
+
+g:ale_fusion_fusionlint_executable           *g:ale_fuse_fusionlint_executable*
+                                             *b:ale_fuse_fusionlint_executable*
+  Type: |String|
+  Default: `'fusion-lint'`
+
+  This variable can be changed to change the path to fusion-lint.
+
+
+g:ale_fuse_fusionlint_options                   *g:ale_fuse_fusionlint_options*
+                                                *b:ale_fuse_fusionlint_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be set to pass additional options to fusion-lint.
+
+
+-------------------------------------------------------------------------------
+  vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:
diff --git a/doc/ale.txt b/doc/ale.txt
index 6edd3f74..a8244cdf 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -33,6 +33,8 @@ CONTENTS                                                         *ale-contents*
       erlc................................|ale-erlang-erlc|
     fortran...............................|ale-fortran-options|
       gcc.................................|ale-fortran-gcc|
+		fusionscript..........................ale-fuse-options
+		  fusion-lint.........................ale-fuse-fusionlint
     go....................................|ale-go-options|
       gometalinter........................|ale-go-gometalinter|
     handlebars............................|ale-handlebars-options|
@@ -151,6 +153,7 @@ The following languages and tools are supported.
 * Erlang: 'erlc'
 * Fortran: 'gcc'
 * Go: 'gofmt', 'go vet', 'golint', 'go build', 'gosimple', 'staticcheck'
+* FusionScript: 'fusion-lint'
 * Haml: 'hamllint'
 * Handlebars: 'ember-template-lint'
 * Haskell: 'ghc', 'ghc-mod', 'hlint', 'hdevtools'
diff --git a/test/command_callback/test_fusionlint_command_callback.vader b/test/command_callback/test_fusionlint_command_callback.vader
new file mode 100644
index 00000000..5398066c
--- /dev/null
+++ b/test/command_callback/test_fusionlint_command_callback.vader
@@ -0,0 +1,24 @@
+Before:
+  runtime ale_linters/fuse/fusionlint.vim
+
+After:
+  call ale#linter#Reset()
+  let g:ale_fuse_fusionlint_options = ''
+  let g:ale_fuse_fusionlint_executable = 'fusion-lint'
+
+Execute(The fuse fusionlint command callback should return the correct default string):
+  AssertEqual '''fusion-lint'' --filename %s -i',
+  \ join(split(ale_linters#fuse#fusionlint#GetCommand(1)))
+
+Execute(The fuse fusionlint command callback should let you set options):
+  let g:ale_fuse_fusionlint_options = '--example-option argument'
+
+  AssertEqual '''fusion-lint'' --example-option argument --filename %s -i',
+  \ join(split(ale_linters#fuse#fusionlint#GetCommand(1)))
+
+Execute(The fusionlint executable should be configurable):
+  let g:ale_fuse_fusionlint_executable = 'util/linter.fuse'
+
+  AssertEqual 'util/linter.fuse', ale_linters#fuse#fusionlint#GetExecutable(1)
+  AssertEqual '''util/linter.fuse'' --filename %s -i',
+  \ join(split(ale_linters#fuse#fusionlint#GetCommand(1)))