feat(testables,neotest): cargo-nextest support

doc/rustaceanvim.txt

@@ -123,6 +123,7 @@ RustaceanToolsOpts                                          *RustaceanToolsOpts*
     Fields: ~
         {executor?}                          (RustaceanExecutor|executor_alias)           The executor to use for runnables/debuggables
         {test_executor?}                     (RustaceanExecutor|test_executor_alias)      The executor to use for runnables that are tests / testables
+        {enable_nextest?}                    (boolean)                                    Whether to enable nextest. If enabled, `cargo test` commands will be transformed to `cargo nextest run` commands. Defaults to `true` if cargo-nextest is detected.
         {on_initialized?}                    (fun(health:RustAnalyzerInitializedStatus))  Function that is invoked when the LSP server has finished initializing
         {reload_workspace_from_cargo_toml?}  (boolean)                                    Automatically call `RustReloadWorkspace` when writing to a Cargo.toml file
         {hover_actions?}                     (RustaceanHoverActionsOpts)                  Options for hover actions
@@ -148,7 +149,7 @@ RustaceanExecutorOpts                                    *RustaceanExecutorOpts*
 executor_alias                                                  *executor_alias*
 
     Type: ~
-        "termopen"|"quickfix"|"toggleterm"|"vimux"
+        "termopen"|"quickfix"|"toggleterm"|"vimux"|"neotest"
 
 
 test_executor_alias                                        *test_executor_alias*

lua/rustaceanvim/config/check.lua

@@ -74,6 +74,8 @@ function M.validate(cfg)
   end
   ok, err = validate('tools', {
     executor = { tools.executor, { 'table', 'string' } },
+    test_executor = { tools.test_executor, { 'table', 'string' } },
+    enable_nextest = { tools.enable_nextest, 'boolean' },
     on_initialized = { tools.on_initialized, 'function', true },
     reload_workspace_from_cargo_toml = { tools.reload_workspace_from_cargo_toml, 'boolean' },
     open_url = { tools.open_url, 'function' },

lua/rustaceanvim/config/init.lua

@@ -57,6 +57,7 @@ vim.g.rustaceanvim = vim.g.rustaceanvim
 ---@class RustaceanToolsOpts
 ---@field executor? RustaceanExecutor | executor_alias The executor to use for runnables/debuggables
 ---@field test_executor? RustaceanExecutor | test_executor_alias The executor to use for runnables that are tests / testables
+---@field enable_nextest? boolean Whether to enable nextest. If enabled, `cargo test` commands will be transformed to `cargo nextest run` commands. Defaults to `true` if cargo-nextest is detected.
 ---@field on_initialized? fun(health:RustAnalyzerInitializedStatus) Function that is invoked when the LSP server has finished initializing
 ---@field reload_workspace_from_cargo_toml? boolean Automatically call `RustReloadWorkspace` when writing to a Cargo.toml file
 ---@field hover_actions? RustaceanHoverActionsOpts Options for hover actions

lua/rustaceanvim/config/internal.lua

@@ -54,6 +54,9 @@ local RustaceanDefaultConfig = {
     ---@type RustaceanExecutor
     test_executor = get_test_executor(),
 
+    ---@type boolean
+    enable_nextest = vim.fn.executable('cargo-nextest') == 1,
+
     --- callback to execute once rust-analyzer is done initializing the workspace
     --- The callback receives one parameter indicating the `health` of the server: "ok" | "warning" | "error"
     ---@type fun(health:RustAnalyzerInitializedStatus) | nil
@@ -201,7 +204,7 @@ local RustaceanDefaultConfig = {
       require('rustaceanvim.os').open_url(url)
     end,
     ---settings for rustc
-    ---@type table
+    ---@class RustaceanRustcConfig
     rustc = {
       ---@type string
       edition = '2021',

lua/rustaceanvim/overrides.lua

@@ -15,6 +15,27 @@ function M.snippet_text_edits_to_text_edits(spe)
   end
 end
 
+---Transforms the args to cargo-nextest args if it is detected.
+---Mutates command!
+---@param args string[]
+function M.try_nextest_transform(args)
+  if vim.fn.executable('cargo-nextest') ~= 1 then
+    return args
+  end
+  if args[1] == 'test' then
+    args[1] = 'run'
+    table.insert(args, 1, 'nextest')
+  end
+  if args[#args] == '--nocapture' then
+    table.insert(args, 3, '--nocapture')
+    table.remove(args, #args)
+  end
+  if args[#args] == '--exact' then
+    table.remove(args, #args)
+  end
+  return args
+end
+
 -- sanitize_command_for_debugging substitutes the command arguments so it can be used to run a
 -- debugger.
 --

lua/rustaceanvim/runnables.lua

@@ -1,4 +1,5 @@
 local config = require('rustaceanvim.config.internal')
+local overrides = require('rustaceanvim.overrides')
 
 local M = {}
 
@@ -73,6 +74,7 @@ function M.get_command(runnable)
   ret = vim.list_extend(ret, args.cargoExtraArgs or {})
   table.insert(ret, '--')
   ret = vim.list_extend(ret, args.executableArgs or {})
+  ret = overrides.try_nextest_transform(ret)
 
   return 'cargo', ret, dir
 end