test: add simple window unit test

lua/test/util_spec.lua

@@ -23,10 +23,10 @@ describe('util.display_height', function()
 
         -- Unicode width test
         local u_lines = {
-            '12345678👍', -- 10
-            'あうえお', -- 8
-            '𠮷野い𠮷家野家家', -- 16
-            '👍👍👍お家', -- 10
+             '12345678👍', -- 10
+             'あうえお', -- 8
+             '𠮷野い𠮷家野家家', -- 16
+             '👍👍👍お家', -- 10
         }
 
         assert.are.equal(4, util.display_height(u_lines, 20))
@@ -76,3 +76,17 @@ describe('util.center', function()
         assert.are.same(i { (' '):rep(2) .. '1234567890' }, util.center(node, 15))
     end)
 end)
+
+describe('util.is_word', function()
+    it('can detect word', function()
+        for test, value in pairs {
+            ['あうえお'] = false,
+            ['hello']        = true,
+            ['hello world']  = false,
+            ['test_cool']    = false,
+            [' hello']       = false,
+        } do
+            assert.are.same(util.is_word(test), value)
+        end
+    end)
+end)

lua/test/window_spec.lua

@@ -0,0 +1,71 @@
+require 'test.setup'
+
+
+describe('window', with_buffer(function(buffer)
+    local window
+    before_each(function()
+        buffer:wipe()
+        window = Trans.window.new {
+            buffer = buffer,
+            win_opts = {
+                col = 1,
+                row = 1,
+                width = 1,
+                height = 1,
+                relative = 'editor',
+            },
+        }
+        window:set('wrap', false)
+    end)
+
+    after_each(function()
+        window:try_close()
+    end)
+
+    it('can work well when no pass animation table', function()
+        window:open()
+        assert.is_true(api.nvim_win_is_valid(window.winid))
+    end)
+
+    describe('smooth_expand', function()
+        it('can work well when no pass animation table', function()
+            window:smooth_expand { field = 'width', to = 10 }
+            assert.are.same(window:width(), 10)
+
+            window:smooth_expand { field = 'width', to = 6 }
+            assert.are.same(window:width(), 6)
+
+            window:smooth_expand { field = 'height', to = 10 }
+            assert.are.same(window:height(), 10)
+
+            window:smooth_expand { field = 'height', to = 6 }
+            assert.are.same(window:height(), 6)
+
+            window:smooth_expand { field = 'height', to = 6 }
+            assert.are.same(window:height(), 6)
+        end)
+
+        it("don't change window wrap option", function()
+            window:smooth_expand { field = 'width', to = 10 }
+            assert.is_false(window:option 'wrap')
+
+
+            window:set('wrap', true)
+            window:smooth_expand { field = 'width', to = 10 }
+            assert.is_true(window:option 'wrap')
+
+            window:smooth_expand { field = 'height', to = 10 }
+            assert.is_true(window:option 'wrap')
+        end)
+    end)
+
+    it("resize() don't change window wrap option", function()
+        window:resize { width = 10, height = 10 }
+        assert.is_false(window:option 'wrap')
+
+
+        window:set('wrap', true)
+        window:resize { width = 5, height = 5 }
+        assert.is_true(window:option 'wrap')
+    end)
+end))