test: setting the winborder option

Author: mikavilpas

spec/yazi/yazi_config_spec.lua

@@ -0,0 +1,58 @@
+local assert = require("luassert")
+local reset = require("spec.yazi.helpers.reset")
+
+local winborder_available = pcall(function()
+  -- it's only available for nightly 0.11+, see
+  -- https://github.com/neovim/neovim/pull/31074
+  --
+  -- will fail on stable neovim right now, so use pcall to avoid an error
+  return vim.o.winborder
+end)
+
+local function if_winborder_supported(fn)
+  -- prevent tests failing on stable
+  if winborder_available then
+    fn()
+  else
+    print("`vim.o.winborder` is not supported, skipping")
+  end
+end
+
+describe("the default config", function()
+  before_each(function()
+    reset.clear_all_buffers()
+    reset.close_all_windows()
+    if_winborder_supported(function()
+      vim.o.winborder = "solid"
+    end)
+  end)
+
+  describe("`yazi_floating_window_border`", function()
+    it("sets it to the default value if not set", function()
+      if_winborder_supported(function()
+        vim.o.winborder = ""
+        local config = require("yazi.config").default()
+        assert.same("rounded", config.yazi_floating_window_border)
+      end)
+    end)
+
+    it("allows customizing it with the `vim.o.winborder` option", function()
+      if_winborder_supported(function()
+        vim.o.winborder = "single"
+        local config = require("yazi.config").default()
+        assert.same("single", config.yazi_floating_window_border)
+      end)
+    end)
+
+    it("yazi.setup() allows customizing it", function()
+      if_winborder_supported(function()
+        vim.o.winborder = "double"
+        require("yazi").setup({ yazi_floating_window_border = "single" })
+        assert.same(
+          "single",
+          require("yazi").config.yazi_floating_window_border
+        )
+      end)
+    end)
+  end)
+end)