tests: speedup readerdictionary tests

spec/unit/readerdictionary_spec.lua

@@ -11,38 +11,35 @@ describe("Readerdictionary module", function()
         Screen = require("device").screen
     end)
 
-    local readerui, rolling, dictionary
+    local readerui, dictionary
     setup(function()
-        local sample_epub = "spec/front/unit/data/leaves.epub"
         readerui = ReaderUI:new{
             dimen = Screen:getSize(),
-            document = DocumentRegistry:openDocument(sample_epub),
+            document = DocumentRegistry:openDocument("spec/front/unit/data/sample.txt"),
         }
-        rolling = readerui.rolling
         dictionary = readerui.dictionary
     end)
     teardown(function()
+        ReaderUI.instance = readerui
         readerui:closeDocument()
         readerui:onClose()
     end)
-    it("should show quick lookup window", function()
-        UIManager:quit()
+    before_each(function()
+        ReaderUI.instance = readerui
         UIManager:show(readerui)
-        rolling:onGotoPage(100)
+    end)
+    after_each(function()
+        UIManager:close(dictionary.dict_window)
+        UIManager:close(readerui)
+        UIManager:quit()
+        UIManager._exit_code = nil
+    end)
+    it("should show quick lookup window", function()
         dictionary:onLookupWord("test")
-        UIManager:scheduleIn(1, function()
-            UIManager:close(dictionary.dict_window)
-            UIManager:close(readerui)
-            -- We haven't torn it down yet
-            ReaderUI.instance = readerui
-        end)
-        UIManager:run()
+        fastforward_ui_events()
         screenshot(Screen, "reader_dictionary.png")
     end)
     it("should attempt to deinflect (Japanese) word on lookup", function()
-        UIManager:quit()
-        UIManager:show(readerui)
-        rolling:onGotoPage(100)
 
         local word = "喋っている"
         local s = spy.on(readerui.languagesupport, "extraDictionaryFormCandidates")
@@ -50,6 +47,8 @@ describe("Readerdictionary module", function()
         -- We can't use onLookupWord because we need to check whether
         -- extraDictionaryFormCandidates was called synchronously.
         dictionary:stardictLookup(word)
+        fastforward_ui_events()
+        screenshot(Screen, "reader_dictionary_japanese.png")
 
         assert.spy(s).was_called()
         assert.spy(s).was_called_with(match.is_ref(readerui.languagesupport), word)
@@ -59,14 +58,5 @@ describe("Readerdictionary module", function()
             assert.spy(s).was_returned_with(match.is_not_nil())
         end
         readerui.languagesupport.extraDictionaryFormCandidates:revert()
-
-        UIManager:scheduleIn(1, function()
-            UIManager:close(dictionary.dict_window)
-            UIManager:close(readerui)
-            -- We haven't torn it down yet
-            ReaderUI.instance = readerui
-        end)
-        UIManager:run()
-        screenshot(Screen, "reader_dictionary_japanese.png")
     end)
 end)