Close #1559 - Report errors from LSP servers in :ALEInfo

1 files changed, 65 insertions, 0 deletions

diff --git a/test/lsp/test_lsp_error_parsing.vader b/test/lsp/test_lsp_error_parsing.vader
new file mode 100644
index 00000000..7464b0e7
--- /dev/null
+++ b/test/lsp/test_lsp_error_parsing.vader
@@ -0,0 +1,65 @@
+Execute(Invalid responses should be handled):
+  AssertEqual '', ale#lsp#response#GetErrorMessage({})
+  AssertEqual '', ale#lsp#response#GetErrorMessage({'error': 0})
+  AssertEqual '', ale#lsp#response#GetErrorMessage({'error': {}})
+  AssertEqual '', ale#lsp#response#GetErrorMessage({
+  \ 'error': {
+  \   'code': 0,
+  \   'message': 'x',
+  \ },
+  \})
+  AssertEqual '', ale#lsp#response#GetErrorMessage({'error': {'code': -32602}})
+  AssertEqual '', ale#lsp#response#GetErrorMessage({'error': {'code': -32603}})
+
+Execute(Messages without tracebacks should be handled):
+  AssertEqual 'xyz', ale#lsp#response#GetErrorMessage({
+  \ 'error': {
+  \   'code': -32602,
+  \   'message': 'xyz',
+  \ },
+  \})
+  AssertEqual 'abc', ale#lsp#response#GetErrorMessage({
+  \ 'error': {
+  \   'code': -32603,
+  \   'message': 'abc',
+  \ },
+  \})
+
+Execute(Invalid traceback data should be tolerated):
+  AssertEqual 'xyz', ale#lsp#response#GetErrorMessage({
+  \ 'error': {
+  \   'code': -32602,
+  \   'message': 'xyz',
+  \   'data': {
+  \   },
+  \ },
+  \})
+  AssertEqual 'xyz', ale#lsp#response#GetErrorMessage({
+  \ 'error': {
+  \   'code': -32602,
+  \   'message': 'xyz',
+  \   'data': {
+  \     'traceback': 0,
+  \   },
+  \ },
+  \})
+  AssertEqual 'xyz', ale#lsp#response#GetErrorMessage({
+  \ 'error': {
+  \   'code': -32602,
+  \   'message': 'xyz',
+  \   'data': {
+  \     'traceback': [],
+  \   },
+  \ },
+  \})
+
+Execute(Messages with tracebacks should be handled):
+  AssertEqual "xyz\n123\n456", ale#lsp#response#GetErrorMessage({
+  \ 'error': {
+  \   'code': -32602,
+  \   'message': 'xyz',
+  \   'data': {
+  \     'traceback': ['123', '456'],
+  \   },
+  \ },
+  \})