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https://github.com/koreader/koreader
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6baa2af5fb
It might be slower, but is needed to properly display books in arabic, indic... Also bump crengine: use FreeType "light" hinting algorithm, which hints on the y-axis only (and so avoid messing with advances and kerning on the x-axis).
215 lines
8.3 KiB
Lua
215 lines
8.3 KiB
Lua
describe("Readerrolling module", function()
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local DocumentRegistry, ReaderUI, Event
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local readerui, rolling
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setup(function()
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require("commonrequire")
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DocumentRegistry = require("document/documentregistry")
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ReaderUI = require("apps/reader/readerui")
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Event = require("ui/event")
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local sample_epub = "spec/front/unit/data/juliet.epub"
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readerui = ReaderUI:new{
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document = DocumentRegistry:openDocument(sample_epub),
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}
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rolling = readerui.rolling
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end)
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describe("test in portrait screen mode", function()
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it("should goto portrait screen mode", function()
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readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
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end)
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it("should goto certain page", function()
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for i = 1, 10, 5 do
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rolling:onGotoPage(i)
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assert.are.same(i, rolling.current_page)
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end
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end)
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it("should goto relative page", function()
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for i = 20, 40, 5 do
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rolling:onGotoPage(i)
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rolling:onGotoViewRel(1)
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assert.are.same(i + 1, rolling.current_page)
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rolling:onGotoViewRel(-1)
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assert.are.same(i, rolling.current_page)
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end
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end)
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it("should goto next chapter", function()
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local toc = readerui.toc
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for i = 30, 50, 5 do
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rolling:onGotoPage(i)
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rolling:onGotoNextChapter()
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assert.are.same(toc:getNextChapter(i, 0), rolling.current_page)
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end
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end)
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it("should goto previous chapter", function()
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local toc = readerui.toc
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for i = 60, 80, 5 do
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rolling:onGotoPage(i)
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rolling:onGotoPrevChapter()
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assert.are.same(toc:getPreviousChapter(i, 0), rolling.current_page)
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end
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end)
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it("should emit EndOfBook event at the end of sample epub", function()
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local called = false
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readerui.onEndOfBook = function()
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called = true
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end
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-- check beginning of the book
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rolling:onGotoPage(1)
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assert.is.falsy(called)
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rolling:onGotoViewRel(-1)
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rolling:onGotoViewRel(-1)
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assert.is.falsy(called)
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-- check end of the book
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rolling:onGotoPage(readerui.document:getPageCount())
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assert.is.falsy(called)
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rolling:onGotoViewRel(1)
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assert.is.truthy(called)
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rolling:onGotoViewRel(1)
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assert.is.truthy(called)
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readerui.onEndOfBook = nil
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end)
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it("should emit EndOfBook event at the end sample txt", function()
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local sample_txt = "spec/front/unit/data/sample.txt"
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local txt_readerui = ReaderUI:new{
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document = DocumentRegistry:openDocument(sample_txt),
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}
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local called = false
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txt_readerui.onEndOfBook = function()
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called = true
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end
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local txt_rolling = txt_readerui.rolling
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-- check beginning of the book
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txt_rolling:onGotoPage(1)
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assert.is.falsy(called)
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txt_rolling:onGotoViewRel(-1)
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txt_rolling:onGotoViewRel(-1)
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assert.is.falsy(called)
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-- not at the end of the book
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txt_rolling:onGotoPage(3)
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assert.is.falsy(called)
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txt_rolling:onGotoViewRel(1)
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assert.is.falsy(called)
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-- at the end of the book
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txt_rolling:onGotoPage(txt_readerui.document:getPageCount())
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assert.is.falsy(called)
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txt_rolling:onGotoViewRel(1)
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assert.is.truthy(called)
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readerui.onEndOfBook = nil
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end)
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end)
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describe("test in landscape screen mode", function()
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it("should go to landscape screen mode", function()
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readerui:handleEvent(Event:new("ChangeScreenMode", "landscape"))
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end)
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it("should goto certain page", function()
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for i = 1, 10, 5 do
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rolling:onGotoPage(i)
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assert.are.same(i, rolling.current_page)
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end
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end)
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it("should goto relative page", function()
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for i = 20, 40, 5 do
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rolling:onGotoPage(i)
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rolling:onGotoViewRel(1)
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assert.are.same(i + 1, rolling.current_page)
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rolling:onGotoViewRel(-1)
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assert.are.same(i, rolling.current_page)
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end
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end)
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it("should goto next chapter", function()
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local toc = readerui.toc
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for i = 30, 50, 5 do
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rolling:onGotoPage(i)
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rolling:onGotoNextChapter()
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assert.are.same(toc:getNextChapter(i, 0), rolling.current_page)
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end
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end)
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it("should goto previous chapter", function()
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local toc = readerui.toc
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for i = 60, 80, 5 do
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rolling:onGotoPage(i)
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rolling:onGotoPrevChapter()
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assert.are.same(toc:getPreviousChapter(i, 0), rolling.current_page)
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end
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end)
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it("should emit EndOfBook event at the end", function()
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rolling:onGotoPage(readerui.document:getPageCount())
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local called = false
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readerui.onEndOfBook = function()
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called = true
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end
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rolling:onGotoViewRel(1)
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rolling:onGotoViewRel(1)
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assert.is.truthy(called)
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readerui.onEndOfBook = nil
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end)
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end)
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describe("switching screen mode should not change current page number", function()
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teardown(function()
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readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
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end)
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it("for portrait-landscape-portrait switching", function()
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for i = 80, 100, 10 do
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readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
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rolling:onGotoPage(i)
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assert.are.same(i, rolling.current_page)
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readerui:handleEvent(Event:new("ChangeScreenMode", "landscape"))
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assert.are_not.same(i, rolling.current_page)
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readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
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assert.are.same(i, rolling.current_page)
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end
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end)
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it("for landscape-portrait-landscape switching", function()
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for i = 110, 130, 10 do
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readerui:handleEvent(Event:new("ChangeScreenMode", "landscape"))
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rolling:onGotoPage(i)
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assert.are.same(i, rolling.current_page)
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readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
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assert.are_not.same(i, rolling.current_page)
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readerui:handleEvent(Event:new("ChangeScreenMode", "landscape"))
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assert.are.same(i, rolling.current_page)
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end
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end)
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end)
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describe("test changing word gap - space condensing", function()
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it("should show pages for different word gap", function()
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readerui.document:setSpaceCondensing(100)
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readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
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assert.are.same(231, readerui.document:getPageCount())
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readerui.document:setSpaceCondensing(75)
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readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
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assert.are.same(229, readerui.document:getPageCount())
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readerui.document:setSpaceCondensing(50)
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readerui:handleEvent(Event:new("ChangeScreenMode", "portrait"))
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assert.are.same(225, readerui.document:getPageCount())
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end)
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end)
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describe("test initialization", function()
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it("should emit PageUpdate event after book is rendered", function()
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local ReaderView = require("apps/reader/modules/readerview")
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local saved_handler = ReaderView.onPageUpdate
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ReaderView.onPageUpdate = function(_self)
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assert.are.same(6, _self.ui.document:getPageCount())
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end
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local test_book = "spec/front/unit/data/sample.txt"
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require("docsettings"):open(test_book):purge()
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ReaderUI:new{
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document = DocumentRegistry:openDocument(test_book),
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}
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ReaderView.onPageUpdate = saved_handler
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end)
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end)
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end)
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