Support astgrep (#4975)

* astgrep: support its LSP

Fixes: #4974

* astgrep: add a fixer

test/fixers/test_astgrep_fixer_callback.vader

@@ -0,0 +1,27 @@
+Before:
+  Save g:ale_astgrep_executable
+  Save g:ale_astgrep_scan_options
+
+After:
+  Restore
+
+Execute(The ast-grep callback should return the correct default values):
+  AssertEqual
+  \ {
+  \   'command': ale#Escape('ast-grep') . ' scan --update-all %t',
+  \   'read_temporary_file': 1,
+  \ },
+  \ ale#fixers#astgrep#Fix(bufnr(''))
+
+Execute(The astgrep executable and options should be configurable):
+  let g:ale_astgrep_executable = '/path/to/ast-grep'
+  let g:ale_astgrep_scan_options = '--interactive'
+
+  AssertEqual
+  \ {
+  \   'command': ale#Escape('/path/to/ast-grep')
+  \     . ' scan'
+  \     . ' --interactive %t',
+  \   'read_temporary_file': 1,
+  \ },
+  \ ale#fixers#astgrep#Fix(bufnr(''))

test/linter/test_c_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('c', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.c')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_cpp_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('cpp', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.cpp')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_cs_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('cs', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.cs')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_css_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('css', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.css')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_elixir_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('elixir', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.ex')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_go_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('go', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.go')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_haskell_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('haskell', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.hs')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_html_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('html', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.html')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_java_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('java', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.java')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_javascript_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('javascript', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.js')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_json_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('json', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.json')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_kotlin_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('kotlin', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.kt')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_lua_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('lua', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.lua')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_nix_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('nix', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.nix')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_php_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('php', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.php')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_python_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('python', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.py')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_ruby_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('ruby', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.rb')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_rust_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('rust', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.rs')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_scala_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('scala', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.scala')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_sh_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('sh', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.sh')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_solidity_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('solidity', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.sol')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_swift_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('swift', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.swift')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_tsx_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('tsx', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.tsx')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_typescript_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('typescript', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.ts')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''

test/linter/test_yaml_astgrep.vader

@@ -0,0 +1,18 @@
+Before:
+  call ale#assert#SetUpLinterTest('yaml', 'astgrep')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default executable path should be correct):
+  AssertLinter 'ast-grep', ale#Escape('ast-grep') . ' lsp'
+
+Execute(The project root should be detected correctly with a configuration file):
+  call ale#test#SetFilename('../test-files/generic/astgrep/subdir/file.yaml')
+
+  AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/generic/astgrep')
+
+Execute(The project root should be empty when no project files can be detected):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  AssertLSPProject ''