fix: fix unit tests

Author: jdurand

lua/claudecode/config.lua

@@ -110,7 +110,9 @@ function M.validate(config)
   assert(type(config.diff_opts.show_diff_stats) == "boolean", "diff_opts.show_diff_stats must be a boolean")
   assert(type(config.diff_opts.vertical_split) == "boolean", "diff_opts.vertical_split must be a boolean")
   assert(type(config.diff_opts.open_in_current_tab) == "boolean", "diff_opts.open_in_current_tab must be a boolean")
-  assert(type(config.diff_opts.keep_terminal_focus) == "boolean", "diff_opts.keep_terminal_focus must be a boolean")
+  if config.diff_opts.keep_terminal_focus ~= nil then
+    assert(type(config.diff_opts.keep_terminal_focus) == "boolean", "diff_opts.keep_terminal_focus must be a boolean")
+  end
 
   -- Validate env
   assert(type(config.env) == "table", "env must be a table")

tests/busted_setup.lua

@@ -53,6 +53,13 @@ _G.expect = function(value)
     to_be_truthy = function()
       assert.is_truthy(value)
     end,
+    to_match = function(pattern)
+      assert.is_string(value)
+      assert.is_true(
+        string.find(value, pattern, 1, true) ~= nil,
+        "Expected string '" .. value .. "' to match pattern '" .. pattern .. "'"
+      )
+    end,
   }
 end
 

tests/unit/config_spec.lua

@@ -6,6 +6,7 @@ describe("Configuration", function()
 
   local function setup()
     package.loaded["claudecode.config"] = nil
+    package.loaded["claudecode.terminal"] = nil
 
     config = require("claudecode.config")
   end
@@ -301,7 +302,7 @@ describe("Configuration", function()
     end)
 
     expect(success).to_be_false()
-    expect(err).to_match("must be a string or function")
+    expect(tostring(err)).to_match("must be a string or function")
   end)
 
   teardown()