Merge remote-tracking branch 'upstream/master' into aucmd_textputpostaucmd_textputpost

1 files changed, 156 insertions, 3 deletions

diff --git a/test/functional/plugin/lsp/diagnostic_spec.lua b/test/functional/plugin/lsp/diagnostic_spec.lua
index f73ffc29b0..1da0222114 100644
--- a/test/functional/plugin/lsp/diagnostic_spec.lua
+++ b/test/functional/plugin/lsp/diagnostic_spec.lua
@@ -1,10 +1,13 @@
 local helpers = require('test.functional.helpers')(after_each)
+local lsp_helpers = require('test.functional.plugin.lsp.helpers')
 
 local clear = helpers.clear
 local exec_lua = helpers.exec_lua
 local eq = helpers.eq
 local neq = require('test.helpers').neq
 
+local create_server_definition = lsp_helpers.create_server_definition
+
 describe('vim.lsp.diagnostic', function()
   local fake_uri
 
@@ -81,6 +84,7 @@ describe('vim.lsp.diagnostic', function()
       local lines = {"1st line of text", "2nd line of text", "wow", "cool", "more", "lines"}
       vim.fn.bufload(diagnostic_bufnr)
       vim.api.nvim_buf_set_lines(diagnostic_bufnr, 0, 1, false, lines)
+      vim.api.nvim_win_set_buf(0, diagnostic_bufnr)
       return diagnostic_bufnr
     ]], fake_uri)
   end)
@@ -97,7 +101,6 @@ describe('vim.lsp.diagnostic', function()
         }
 
         diagnostics[1].code = 42
-        diagnostics[1].tags = {"foo", "bar"}
         diagnostics[1].data = "Hello world"
 
         vim.lsp.diagnostic.on_publish_diagnostics(nil, {
@@ -110,10 +113,9 @@ describe('vim.lsp.diagnostic', function()
           vim.lsp.diagnostic.get_line_diagnostics(diagnostic_bufnr, 1)[1],
         }
       ]]
-      eq({code = 42, tags = {"foo", "bar"}, data = "Hello world"}, result[1].user_data.lsp)
+      eq({code = 42, data = "Hello world"}, result[1].user_data.lsp)
       eq(42, result[1].code)
       eq(42, result[2].code)
-      eq({"foo", "bar"}, result[2].tags)
       eq("Hello world", result[2].data)
     end)
   end)
@@ -267,4 +269,155 @@ describe('vim.lsp.diagnostic', function()
       eq(exec_lua([[return #vim.diagnostic.get(...)]], bufnr), 0)
     end)
   end)
+
+  describe('vim.lsp.diagnostic.on_diagnostic', function()
+    before_each(function()
+      exec_lua(create_server_definition)
+      exec_lua([[
+        server = _create_server({
+          capabilities = {
+            diagnosticProvider = {
+            }
+          }
+        })
+
+        function get_extmarks(bufnr, client_id)
+          local namespace = vim.lsp.diagnostic.get_namespace(client_id, true)
+          local ns = vim.diagnostic.get_namespace(namespace)
+          local extmarks = {}
+          if ns.user_data.virt_text_ns then
+            for _, e in pairs(vim.api.nvim_buf_get_extmarks(bufnr, ns.user_data.virt_text_ns, 0, -1, {details=true})) do
+              table.insert(extmarks, e)
+            end
+          end
+          if ns.user_data.underline_ns then
+            for _, e in pairs(vim.api.nvim_buf_get_extmarks(bufnr, ns.user_data.underline_ns, 0, -1, {details=true})) do
+              table.insert(extmarks, e)
+            end
+          end
+          return extmarks
+        end
+
+        client_id = vim.lsp.start({ name = 'dummy', cmd = server.cmd })
+      ]])
+    end)
+
+    it('adds diagnostics to vim.diagnostics', function()
+      local diags = exec_lua([[
+        vim.lsp.diagnostic.on_diagnostic(nil,
+          {
+            kind = 'full',
+            items = {
+              make_error('Pull Diagnostic', 4, 4, 4, 4),
+            }
+          },
+          {
+            params = {
+              textDocument = { uri = fake_uri },
+            },
+            uri = fake_uri,
+            client_id = client_id,
+          },
+          {}
+        )
+
+        return vim.diagnostic.get(diagnostic_bufnr)
+      ]])
+      eq(1, #diags)
+      eq('Pull Diagnostic', diags[1].message)
+    end)
+
+    it('allows configuring the virtual text via vim.lsp.with', function()
+      local expected_spacing = 10
+      local extmarks = exec_lua(
+        [[
+        Diagnostic = vim.lsp.with(vim.lsp.diagnostic.on_diagnostic, {
+          virtual_text = {
+            spacing = ...,
+          },
+        })
+
+        Diagnostic(nil,
+          {
+            kind = 'full',
+            items = {
+              make_error('Pull Diagnostic', 4, 4, 4, 4),
+            }
+          },
+          {
+            params = {
+              textDocument = { uri = fake_uri },
+            },
+            uri = fake_uri,
+            client_id = client_id,
+          },
+          {}
+        )
+
+        return get_extmarks(diagnostic_bufnr, client_id)
+      ]],
+        expected_spacing
+      )
+      eq(2, #extmarks)
+      eq(expected_spacing, #extmarks[1][4].virt_text[1][1])
+    end)
+
+    it('clears diagnostics when client detaches', function()
+      exec_lua([[
+        vim.lsp.diagnostic.on_diagnostic(nil,
+          {
+            kind = 'full',
+            items = {
+              make_error('Pull Diagnostic', 4, 4, 4, 4),
+            }
+          },
+          {
+            params = {
+              textDocument = { uri = fake_uri },
+            },
+            uri = fake_uri,
+            client_id = client_id,
+          },
+          {}
+        )
+      ]])
+      local diags = exec_lua([[return vim.diagnostic.get(diagnostic_bufnr)]])
+      eq(1, #diags)
+
+      exec_lua([[ vim.lsp.stop_client(client_id) ]])
+
+      diags = exec_lua([[return vim.diagnostic.get(diagnostic_bufnr)]])
+      eq(0, #diags)
+    end)
+
+    it('keeps diagnostics when one client detaches and others still are attached', function()
+      exec_lua([[
+        client_id2 = vim.lsp.start({ name = 'dummy2', cmd = server.cmd })
+
+        vim.lsp.diagnostic.on_diagnostic(nil,
+          {
+            kind = 'full',
+            items = {
+              make_error('Pull Diagnostic', 4, 4, 4, 4),
+            }
+          },
+          {
+            params = {
+              textDocument = { uri = fake_uri },
+            },
+            uri = fake_uri,
+            client_id = client_id,
+          },
+          {}
+        )
+      ]])
+      local diags = exec_lua([[return vim.diagnostic.get(diagnostic_bufnr)]])
+      eq(1, #diags)
+
+      exec_lua([[ vim.lsp.stop_client(client_id2) ]])
+
+      diags = exec_lua([[return vim.diagnostic.get(diagnostic_bufnr)]])
+      eq(1, #diags)
+    end)
+  end)
 end)