mirror of
https://github.com/Foundry376/Mailspring.git
synced 2024-11-14 13:44:41 +08:00
4619871e8d
Summary: Fixes: T1334 remove final InboxApp references move out all underscore-plus methods Mass find and replace of underscore-plus sed -i '' -- 's/underscore-plus/underscore/g' **/*.coffee sed -i '' -- 's/underscore-plus/underscore/g' **/*.cjsx Test Plan: edgehill --test Reviewers: bengotow Reviewed By: bengotow Differential Revision: https://phab.nylas.com/D1534
131 lines
4.7 KiB
CoffeeScript
131 lines
4.7 KiB
CoffeeScript
_ = require 'underscore'
|
|
EventEmitter = require('events').EventEmitter
|
|
ModelView = require '../src/flux/stores/model-view'
|
|
|
|
# ModelView is an abstract base class. Basic implementation for tests
|
|
|
|
class TestModelView extends ModelView
|
|
constructor: ->
|
|
super
|
|
@_pageSize = 100
|
|
|
|
count: ->
|
|
1000
|
|
|
|
stubFillPage: (page) ->
|
|
letter = ['A','B','C','D','E','F','G','H','I','J'][page]
|
|
items = []
|
|
items.push({id: "#{letter}#{ii}"}) for ii in [0..99]
|
|
@_pages[page] =
|
|
loading: false
|
|
items: items
|
|
|
|
retrievePage: (page) ->
|
|
@_pages[page] =
|
|
items: []
|
|
loading: true
|
|
setTimeout ->
|
|
@stubFillPage(page)
|
|
, 1
|
|
|
|
|
|
describe "ModelView", ->
|
|
beforeEach ->
|
|
@view = new TestModelView()
|
|
|
|
describe "setRetainedRange", ->
|
|
it "should perform basic bounds checks to avoid fetching non-existent pages", ->
|
|
@view.setRetainedRange({start: -100, end: 15000})
|
|
expect(@view._retainedRange).toEqual({start:0, end: @view.count()})
|
|
|
|
it "should call the padding method to optionally expand the retained range", ->
|
|
spyOn(@view, 'padRetainedRange').andCallFake ({start, end}) ->
|
|
{start: start - 50, end: end + 50}
|
|
@view.setRetainedRange({start: 0, end: 100})
|
|
expect(@view._retainedRange).toEqual({start:0, end: 150})
|
|
|
|
it "should retrieve pages in the range that are not cached", ->
|
|
spyOn(@view, 'retrievePage').andCallThrough()
|
|
@view.setRetainedRange({start: 0, end: 250})
|
|
expect(@view.retrievePage.callCount).toBe(3)
|
|
expect(@view.retrievePage.calls[0].args).toEqual([0])
|
|
expect(@view.retrievePage.calls[1].args).toEqual([1])
|
|
expect(@view.retrievePage.calls[2].args).toEqual([2])
|
|
|
|
it "should not retrieve pages that are already cached", ->
|
|
@view.stubFillPage(0)
|
|
@view.stubFillPage(1)
|
|
spyOn(@view, 'retrievePage').andCallThrough()
|
|
@view.setRetainedRange({start: 0, end: 250})
|
|
expect(@view.retrievePage.callCount).toBe(1)
|
|
expect(@view.retrievePage.calls[0].args).toEqual([2])
|
|
|
|
it "should call cullPages(), allowing subclasses to remove unneeded pages from the cache", ->
|
|
spyOn(@view, 'cullPages')
|
|
@view.setRetainedRange({start: 0, end: 250})
|
|
expect(@view.cullPages).toHaveBeenCalled()
|
|
|
|
describe "accessors", ->
|
|
beforeEach ->
|
|
@view.stubFillPage(0)
|
|
@view.stubFillPage(1)
|
|
|
|
describe "loaded", ->
|
|
it "should return true if all of the retained pages are loaded", ->
|
|
@view.setRetainedRange({start: 0, end: 100})
|
|
expect(@view.loaded()).toBe(true)
|
|
|
|
it "should return false if any retained pages are still loading", ->
|
|
@view.setRetainedRange({start: 0, end: 300})
|
|
expect(@view.loaded()).toBe(false)
|
|
|
|
describe "get", ->
|
|
it "should return the item at the index provided", ->
|
|
expect(@view.get(12).id).toBe('A12')
|
|
expect(@view.get(112).id).toBe('B12')
|
|
|
|
it "should return null if the item cannot be found", ->
|
|
expect(@view.get(12154)).toBe(null)
|
|
|
|
it "should throw an exception if the user passes something other than an integer index", ->
|
|
expect(( => @view.get('oops an id'))).toThrow()
|
|
|
|
describe "getById", ->
|
|
it "should return the item with the requested id", ->
|
|
expect(@view.getById('A88')).toEqual({id: 'A88'})
|
|
expect(@view.getById('B12')).toEqual({id: 'B12'})
|
|
|
|
it "should return null if the item cannot be found", ->
|
|
expect(@view.getById('E12')).toEqual(null)
|
|
|
|
it "should return null if no id is provided", ->
|
|
expect(@view.getById(undefined)).toEqual(null)
|
|
|
|
describe "indexOfId", ->
|
|
it "should return the index of the item with the id", ->
|
|
expect(@view.indexOfId('A88')).toEqual(88)
|
|
expect(@view.indexOfId('B12')).toEqual(100 * 1 + 12)
|
|
|
|
it "should return -1 if the item cannot be found", ->
|
|
expect(@view.indexOfId('E12')).toEqual(-1)
|
|
|
|
it "should return -1 if no id is provided", ->
|
|
expect(@view.indexOfId(undefined)).toEqual(-1)
|
|
|
|
describe "pagesRetained", ->
|
|
it "should return an array of page indexes currently being maintained", ->
|
|
@view._retainedRange = {start: 0, end: 99}
|
|
expect(@view.pagesRetained()).toEqual([0])
|
|
@view._retainedRange = {start: 0, end: 340}
|
|
expect(@view.pagesRetained()).toEqual([0..3])
|
|
@view._retainedRange = {start: 900, end: 999}
|
|
expect(@view.pagesRetained()).toEqual([9])
|
|
|
|
describe "invalidateRetainedRange", ->
|
|
it "should initiate requests for all the pages in the retained range", ->
|
|
spyOn(@view, 'retrievePage')
|
|
@view._retainedRange = {start: 0, end: 340}
|
|
@view.invalidateRetainedRange()
|
|
expect(@view.retrievePage.callCount).toBe(4)
|
|
for i in [0..3]
|
|
expect(@view.retrievePage.calls[i].args).toEqual([i])
|