From 33cb8570ab0dda1ad915347fae62567d9c1390ed Mon Sep 17 00:00:00 2001
From: Nate Jensvold <jensvoldnate@gmail.com>
Date: Tue, 17 Sep 2024 22:56:00 -0700
Subject: [PATCH] fix(cspell_multi): skip adding missing config files to merged
 config

---
 lua/cspell/helpers.lua          | 13 ++++-
 tests/spec/diagnostics_spec.lua | 97 ++++++++++++++++++++++++---------
 2 files changed, 84 insertions(+), 26 deletions(-)

diff --git a/lua/cspell/helpers.lua b/lua/cspell/helpers.lua
index 87e71ca..0b1b596 100644
--- a/lua/cspell/helpers.lua
+++ b/lua/cspell/helpers.lua
@@ -74,7 +74,18 @@ M.create_merged_cspell_json = function(params, cspell_config_mapping)
     end
 
     for _, cspell_config_path in pairs(cspell_config_mapping) do
-        table.insert(cspell_config_paths, cspell_config_path)
+        local path_exists = cspell_config_path ~= nil
+            and cspell_config_path ~= ""
+            and Path:new(cspell_config_path):exists()
+        if path_exists then
+            table.insert(cspell_config_paths, cspell_config_path)
+        else
+            local debug_message = M.format(
+                'Unable to find file at "${file_path}", skipping adding to merged cspell config.',
+                { file_path = cspell_config_path }
+            )
+            logger:debug(debug_message)
+        end
     end
 
     local cspell_json = {
diff --git a/tests/spec/diagnostics_spec.lua b/tests/spec/diagnostics_spec.lua
index be765c1..d613da2 100644
--- a/tests/spec/diagnostics_spec.lua
+++ b/tests/spec/diagnostics_spec.lua
@@ -178,35 +178,82 @@ describe("diagnostics", function()
                 Path:new(CSPELL_MERGED_CONFIG_PATH):rm({})
             end)
 
-            it("includes a suggestions param", function()
-                args = args_fn({
-                    ft = "lua",
-                    bufname = "file.txt",
-                    get_config = function()
-                        return {
-                            find_json = function()
-                                return "some/custom/path/cspell.json"
-                            end,
-                        }
-                    end,
-                })
+            describe("not found", function()
+                before_each(function()
+                    Path:new("some/custom/path/cspell.json"):rm()
+                end)
+                it("includes a suggestions param", function()
+                    args = args_fn({
+                        ft = "lua",
+                        bufname = "file.txt",
+                        get_config = function()
+                            return {
+                                find_json = function()
+                                    return "some/custom/path/cspell.json"
+                                end,
+                            }
+                        end,
+                    })
 
-                assert.same({
-                    "-c",
-                    CSPELL_MERGED_CONFIG_PATH,
-                    "lint",
-                    "--language-id",
-                    "lua",
-                    "stdin://file.txt",
-                }, args)
+                    assert.same({
+                        "-c",
+                        CSPELL_MERGED_CONFIG_PATH,
+                        "lint",
+                        "--language-id",
+                        "lua",
+                        "stdin://file.txt",
+                    }, args)
+
+                    local merged_config = vim.json.decode(Path:new(CSPELL_MERGED_CONFIG_PATH):read())
 
-                local merged_config = vim.json.decode(Path:new(CSPELL_MERGED_CONFIG_PATH):read())
+                    assert.is_table(merged_config)
+                    assert.is_not_nil(merged_config["import"])
 
-                assert.is_table(merged_config)
-                assert.truthy(merged_config["import"] ~= nil)
+                    assert.falsy(vim.tbl_contains(merged_config.import, "some/custom/path/cspell.json"))
+                end)
+            end)
 
-                assert.is_table(merged_config.import)
-                assert.truthy(vim.tbl_contains(merged_config.import, "some/custom/path/cspell.json"))
+            describe("found", function()
+                local orig_config_str = Path:new(CSPELL_CONFIG_PATH):read()
+                local config = vim.json.decode(orig_config_str)
+                local custom_path = Path:new("some/custom/path/cspell.json")
+                before_each(function()
+                    custom_path:touch({ parents = true })
+                    custom_path:write(vim.json.encode(config), "w")
+                end)
+
+                after_each(function()
+                    Path:new("some"):rm({ recursive = true })
+                end)
+                it("includes a suggestions param", function()
+                    args = args_fn({
+                        ft = "lua",
+                        bufname = "file.txt",
+                        get_config = function()
+                            return {
+                                find_json = function()
+                                    return "some/custom/path/cspell.json"
+                                end,
+                            }
+                        end,
+                    })
+
+                    assert.same({
+                        "-c",
+                        CSPELL_MERGED_CONFIG_PATH,
+                        "lint",
+                        "--language-id",
+                        "lua",
+                        "stdin://file.txt",
+                    }, args)
+
+                    local merged_config = vim.json.decode(Path:new(CSPELL_MERGED_CONFIG_PATH):read())
+
+                    assert.is_table(merged_config)
+                    assert.is_not_nil(merged_config["import"])
+
+                    assert.same(merged_config.import, { "some/custom/path/cspell.json" })
+                end)
             end)
         end)