describe("Readerrolling module", function() local DocumentRegistry, ReaderUI, Event local readerui, rolling setup(function() require("commonrequire") DocumentRegistry = require("document/documentregistry") ReaderUI = require("apps/reader/readerui") Event = require("ui/event") local sample_epub = "spec/front/unit/data/juliet.epub" readerui = ReaderUI:new{ document = DocumentRegistry:openDocument(sample_epub), } rolling = readerui.rolling end) describe("test in portrait screen mode", function() it("should goto portrait screen mode", function() readerui:handleEvent(Event:new("ChangeScreenMode", "portrait")) end) it("should goto certain page", function() for i = 1, 10, 5 do rolling:onGotoPage(i) assert.are.same(i, rolling.current_page) end end) it("should goto relative page", function() for i = 20, 40, 5 do rolling:onGotoPage(i) rolling:onGotoViewRel(1) assert.are.same(i + 1, rolling.current_page) rolling:onGotoViewRel(-1) assert.are.same(i, rolling.current_page) end end) it("should goto next chapter", function() local toc = readerui.toc for i = 30, 50, 5 do rolling:onGotoPage(i) rolling:onGotoNextChapter() assert.are.same(toc:getNextChapter(i, 0), rolling.current_page) end end) it("should goto previous chapter", function() local toc = readerui.toc for i = 60, 80, 5 do rolling:onGotoPage(i) rolling:onGotoPrevChapter() assert.are.same(toc:getPreviousChapter(i, 0), rolling.current_page) end end) it("should emit EndOfBook event at the end of sample epub", function() local called = false readerui.onEndOfBook = function() called = true end -- check beginning of the book rolling:onGotoPage(1) assert.is.falsy(called) rolling:onGotoViewRel(-1) rolling:onGotoViewRel(-1) assert.is.falsy(called) -- check end of the book rolling:onGotoPage(readerui.document:getPageCount()) assert.is.falsy(called) rolling:onGotoViewRel(1) assert.is.truthy(called) rolling:onGotoViewRel(1) assert.is.truthy(called) readerui.onEndOfBook = nil end) it("should emit EndOfBook event at the end sample txt", function() local sample_txt = "spec/front/unit/data/sample.txt" local txt_readerui = ReaderUI:new{ document = DocumentRegistry:openDocument(sample_txt), } local called = false txt_readerui.onEndOfBook = function() called = true end local txt_rolling = txt_readerui.rolling -- check beginning of the book txt_rolling:onGotoPage(1) assert.is.falsy(called) txt_rolling:onGotoViewRel(-1) txt_rolling:onGotoViewRel(-1) assert.is.falsy(called) -- not at the end of the book txt_rolling:onGotoPage(3) assert.is.falsy(called) txt_rolling:onGotoViewRel(1) assert.is.falsy(called) -- at the end of the book txt_rolling:onGotoPage(txt_readerui.document:getPageCount()) assert.is.falsy(called) txt_rolling:onGotoViewRel(1) assert.is.truthy(called) readerui.onEndOfBook = nil end) end) describe("test in landscape screen mode", function() it("should go to landscape screen mode", function() readerui:handleEvent(Event:new("ChangeScreenMode", "landscape")) end) it("should goto certain page", function() for i = 1, 10, 5 do rolling:onGotoPage(i) assert.are.same(i, rolling.current_page) end end) it("should goto relative page", function() for i = 20, 40, 5 do rolling:onGotoPage(i) rolling:onGotoViewRel(1) assert.are.same(i + 1, rolling.current_page) rolling:onGotoViewRel(-1) assert.are.same(i, rolling.current_page) end end) it("should goto next chapter", function() local toc = readerui.toc for i = 30, 50, 5 do rolling:onGotoPage(i) rolling:onGotoNextChapter() assert.are.same(toc:getNextChapter(i, 0), rolling.current_page) end end) it("should goto previous chapter", function() local toc = readerui.toc for i = 60, 80, 5 do rolling:onGotoPage(i) rolling:onGotoPrevChapter() assert.are.same(toc:getPreviousChapter(i, 0), rolling.current_page) end end) it("should emit EndOfBook event at the end", function() rolling:onGotoPage(readerui.document:getPageCount()) local called = false readerui.onEndOfBook = function() called = true end rolling:onGotoViewRel(1) rolling:onGotoViewRel(1) assert.is.truthy(called) readerui.onEndOfBook = nil end) end) describe("switching screen mode should not change current page number", function() teardown(function() readerui:handleEvent(Event:new("ChangeScreenMode", "portrait")) end) it("for portrait-landscape-portrait switching", function() for i = 80, 100, 10 do readerui:handleEvent(Event:new("ChangeScreenMode", "portrait")) rolling:onGotoPage(i) assert.are.same(i, rolling.current_page) readerui:handleEvent(Event:new("ChangeScreenMode", "landscape")) assert.are_not.same(i, rolling.current_page) readerui:handleEvent(Event:new("ChangeScreenMode", "portrait")) assert.are.same(i, rolling.current_page) end end) it("for landscape-portrait-landscape switching", function() for i = 110, 130, 10 do readerui:handleEvent(Event:new("ChangeScreenMode", "landscape")) rolling:onGotoPage(i) assert.are.same(i, rolling.current_page) readerui:handleEvent(Event:new("ChangeScreenMode", "portrait")) assert.are_not.same(i, rolling.current_page) readerui:handleEvent(Event:new("ChangeScreenMode", "landscape")) assert.are.same(i, rolling.current_page) end end) end) describe("test changing word gap - space condensing", function() it("should show pages for different word gap", function() readerui.document:setWordSpacing({100, 90}) readerui:handleEvent(Event:new("ChangeScreenMode", "portrait")) assert.are.same(252, readerui.document:getPageCount()) readerui.document:setWordSpacing({95, 75}) readerui:handleEvent(Event:new("ChangeScreenMode", "portrait")) assert.are.same(241, readerui.document:getPageCount()) readerui.document:setWordSpacing({75, 50}) readerui:handleEvent(Event:new("ChangeScreenMode", "portrait")) assert.are.same(231, readerui.document:getPageCount()) end) end) describe("test initialization", function() it("should emit PageUpdate event after book is rendered", function() local ReaderView = require("apps/reader/modules/readerview") local saved_handler = ReaderView.onPageUpdate ReaderView.onPageUpdate = function(_self) assert.are.same(6, _self.ui.document:getPageCount()) end local test_book = "spec/front/unit/data/sample.txt" require("docsettings"):open(test_book):purge() ReaderUI:new{ document = DocumentRegistry:openDocument(test_book), } ReaderView.onPageUpdate = saved_handler end) end) end)