Merge remote-tracking branch 'origin/master' into fix-swipl

* origin/master:
  Add tests for maven.vim file
  Fix grammatical error in doc
  Add maven helper file; use maven wrapper if available instead of global 'mvn' executable
  fix lint, fix variable semantics and update tests
  bibclean: update matchlist reges for bibclean > v2.11.4
  Update rubocop_auto_correct_all tag

test/handler/test_bibclean_handler.vader

@@ -4,7 +4,7 @@ Before:
 After:
   call ale#linter#Reset()
 
-Execute(The bibclean handler should parse lines correctly):
+Execute(The bibclean handler should parse lines from bibclean <= v2.11.4 correctly):
 
   AssertEqual
   \ [
@@ -19,6 +19,12 @@ Execute(The bibclean handler should parse lines correctly):
   \     'type': 'E',
   \     'text': 'Expected comma after last field ``keywords''''.',
   \     'col': ' 1'
+  \   },
+  \   {
+  \     'lnum': '176',
+  \     'type': 'W',
+  \     'text': 'Unexpected DOI in URL value ``"https://doi.org/DOI"'''': move to separate DOI = "..." key/value in this entry.',
+  \     'col': '14'
   \   }
   \ ],
   \ ale_linters#bib#bibclean#Handle(255, [
@@ -31,5 +37,52 @@ Execute(The bibclean handler should parse lines correctly):
   \ "??  File positions:  input [main.bib]  output [stdout]",
   \ "??  Entry   input byte=2145 line=63 column= 1 output byte=2146 line=63 column= 0",
   \ "??  Value   input byte=2528 line=71 column= 2 output byte=2527 line=70 column=49",
-  \ "??  Current input byte=2529 line=71 column= 3 output byte=2528 line=70 column=50"
+  \ "??  Current input byte=2529 line=71 column= 3 output byte=2528 line=70 column=50",
+  \ "%% \"stdin\", line 176: Unexpected DOI in URL value ``\"https://doi.org/DOI\"'': move to separate DOI = \"...\" key/value in this entry.",
+  \ "%%  File positions:  input [stdin]  output [stdout]",
+  \ "%%  Entry   input byte=6813 line=174 column= 1 output byte=8543 line=227 column= 0",
+  \ "%%  Value   input byte=6890 line=176 column=14 output byte=8641 line=229 column=17",
+  \ "%%  Current input byte=6938 line=176 column=62 output byte=8641 line=229 column=17"
   \ ])
+
+Execute(The bibclean handler should parse lines of bibclean > v2.11.4 correctly):
+  
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': '60',
+  \     'type': 'W',
+  \     'text': 'Unexpected value in ``month = "09"''''.',
+  \     'col': '17'
+  \   },
+  \   {
+  \     'lnum': '63',
+  \     'type': 'E',
+  \     'text': 'Expected comma after last field ``keywords''''.',
+  \     'col': ' 1'
+  \   },
+  \   {
+  \     'lnum': '176',
+  \     'type': 'W',
+  \     'text': 'Unexpected DOI in URL value ``"https://doi.org/DOI"'''': move to separate DOI = "..." key/value in this entry.',
+  \     'col': '14'
+  \   }
+  \ ],
+  \ ale_linters#bib#bibclean#Handle(255, [
+  \ "%% stdin:60:Unexpected value in ``month = \"09\"''.",
+  \ "%%  File positions:  input [main.bib]  output [stdout]",
+  \ "%%  Entry   input byte=1681 line=50 column= 1 output byte=1680 line=50 column= 0",
+  \ "%%  Value   input byte=2137 line=60 column=17 output byte=2137 line=60 column=17",
+  \ "%%  Current input byte=2139 line=60 column=19 output byte=2137 line=60 column=17",
+  \ "?? stdin:71:Expected comma after last field ``keywords''.",
+  \ "??  File positions:  input [main.bib]  output [stdout]",
+  \ "??  Entry   input byte=2145 line=63 column= 1 output byte=2146 line=63 column= 0",
+  \ "??  Value   input byte=2528 line=71 column= 2 output byte=2527 line=70 column=49",
+  \ "??  Current input byte=2529 line=71 column= 3 output byte=2528 line=70 column=50",
+  \ "%% stdin:176:Unexpected DOI in URL value ``\"https://doi.org/DOI\"'': move to separate DOI = \"...\" key/value in this entry.",
+  \ "%%  File positions:  input [stdin]  output [stdout]",
+  \ "%%  Entry   input byte=6813 line=174 column= 1 output byte=8543 line=227 column= 0",
+  \ "%%  Value   input byte=6890 line=176 column=14 output byte=8641 line=229 column=17",
+  \ "%%  Current input byte=6938 line=176 column=62 output byte=8641 line=229 column=17"
+  \ ])
+

test/maven-test-files/maven-java-project/module1/pom.xml

@@ -0,0 +1 @@
+

test/maven-test-files/maven-java-project/module2/pom.xml

@@ -0,0 +1 @@
+

test/test_maven_build_classpath_command.vader

@@ -0,0 +1,48 @@
+Before:
+  Save $PATH
+  Save $PATHEXT
+
+  let $PATHEXT = '.'
+
+  call ale#test#SetDirectory('/testplugin/test')
+  runtime ale_linters/java/javac.vim
+  let g:expected_wrapper = ''
+  if has('unix')
+    let g:expected_wrapper = 'mvnw'
+  else
+    let g:expected_wrapper = 'mvnw.cmd'
+  endif
+
+After:
+  Restore
+
+  unlet! g:expected_wrapper
+
+  call ale#test#RestoreDirectory()
+  call ale#linter#Reset()
+
+Execute(Should use 'mvnw' in classpath command if available):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module1/src/main/java/dummy1.java')
+
+  AssertEqual
+  \ ale#path#CdString(ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module1'))
+  \ . ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module1/' . g:expected_wrapper)
+  \ . ' dependency:build-classpath',
+  \ ale#maven#BuildClasspathCommand(bufnr(''))
+
+Execute(Should use 'mvn' in classpath command if it is executable and 'mvnw' is unavailable):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module2/src/main/java/dummy2.java')
+  let $PATH .= (has('win32') ? ';' : ':')
+  \ . ale#path#Simplify(g:dir . '/maven-test-files')
+
+  AssertEqual
+  \ ale#path#CdString(ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module2'))
+  \ . 'mvn dependency:build-classpath',
+  \ ale#maven#BuildClasspathCommand(bufnr(''))
+
+Execute(Should return empty string if maven cannot be executed):
+  call ale#test#SetFilename('maven-test-files/non-maven-project/src/main/java/dummy.java')
+
+  AssertEqual
+  \ '',
+  \ ale#maven#BuildClasspathCommand(bufnr(''))

test/test_maven_find_executable.vader

@@ -0,0 +1,46 @@
+Before:
+  Save $PATH
+  Save $PATHEXT
+
+  " Count the maven executable without .exe as executable on Windows
+  let $PATHEXT = '.'
+
+  call ale#test#SetDirectory('/testplugin/test')
+  runtime ale_linters/java/javac.vim
+  let g:expected_wrapper = ''
+  if has('unix')
+    let g:expected_wrapper = 'mvnw'
+  else
+    let g:expected_wrapper = 'mvnw.cmd'
+  endif
+
+After:
+  Restore
+
+  unlet! g:expected_wrapper
+
+  call ale#test#RestoreDirectory()
+  call ale#linter#Reset()
+
+Execute(Should return 'mvnw' if found in parent directory):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module1/src/main/java/dummy1.java')
+
+  AssertEqual
+  \ ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module1/' . g:expected_wrapper),
+  \ ale#maven#FindExecutable(bufnr(''))
+
+Execute(Should return 'mvn' if 'mvnw' not found in parent directory):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module2/src/main/java/dummy2.java')
+  let $PATH .= (has('win32') ? ';' : ':')
+  \ . ale#path#Simplify(g:dir . '/maven-test-files')
+
+  AssertEqual
+  \ 'mvn',
+  \ ale#maven#FindExecutable(bufnr(''))
+
+Execute(Should return empty string if 'mvnw' not in parent directory and mvn not in path):
+  call ale#test#SetFilename('mvn-test-files/java-maven-project/module2/src/main/java/dummy2.java')
+
+  AssertEqual
+  \ '',
+  \ ale#gradle#FindExecutable(bufnr(''))

test/test_maven_find_project_root.vader

@@ -0,0 +1,28 @@
+Before:
+  call ale#test#SetDirectory('/testplugin/test')
+  runtime ale_linters/kotlin/javac.vim
+
+After:
+  call ale#test#RestoreDirectory()
+  call ale#linter#Reset()
+
+Execute(Should return directory for 'mvnw' if found in parent directory):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module1/src/main/java/dummy1.java')
+
+  AssertEqual
+  \ ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module1'),
+  \ ale#maven#FindProjectRoot(bufnr(''))
+
+Execute(Should return directory for 'pom.xml' if found in parent directory):
+  call ale#test#SetFilename('maven-test-files/maven-java-project/module2/src/main/java/dummy2.java')
+
+  AssertEqual
+  \ ale#path#Simplify(g:dir . '/maven-test-files/maven-java-project/module2'),
+  \ ale#maven#FindProjectRoot(bufnr(''))
+
+Execute(Should return empty string if maven files are not found in parent directory):
+  call ale#test#SetFilename('maven-test-files/non-maven-project/src/main/java/dummy.java')
+
+  AssertEqual
+  \ '',
+  \ ale#maven#FindProjectRoot(bufnr(''))