122 lines
3 KiB
Ruby
122 lines
3 KiB
Ruby
require File.dirname(__FILE__) + '/../../spec_helper'
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describe CouchRest::Pager do
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before(:all) do
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@cr = CouchRest.new(COUCHHOST)
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@db = @cr.database(TESTDB)
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@db.delete! rescue nil
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@db = @cr.create_db(TESTDB) rescue nil
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@pager = CouchRest::Pager.new(@db)
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end
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after(:all) do
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begin
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@db.delete!
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rescue RestClient::Request::RequestFailed
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end
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end
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it "should store the db" do
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@pager.db.should == @db
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end
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describe "paging all docs" do
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before(:all) do
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@docs = []
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100.times do |i|
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@docs << ({:number => (i % 10)})
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end
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@db.bulk_save(@docs)
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end
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it "should yield total_docs / count times" do
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n = 0
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@pager.all_docs(10) do |doc|
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n += 1
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end
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n.should == 10
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end
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it "should yield each docrow group without duplicate docs" do
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docids = {}
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@pager.all_docs(10) do |docrows|
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docrows.each do |row|
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docids[row['id']].should be_nil
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docids[row['id']] = true
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end
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end
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docids.keys.length.should == 100
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end
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it "should yield each docrow group" do
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@pager.all_docs(10) do |docrows|
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doc = @db.get(docrows[0]['id'])
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doc['number'].class.should == Fixnum
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end
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end
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end
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describe "Pager with a view and docs" do
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before(:all) do
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@docs = []
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100.times do |i|
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@docs << ({:number => (i % 10)})
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end
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@db.bulk_save(@docs)
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@db.save({
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'_id' => '_design/magic',
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'views' => {
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'number' => {
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'map' => 'function(doc){emit(doc.number,null)}'
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}
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}
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})
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end
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it "should have docs" do
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@docs.length.should == 100
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@db.documents['rows'].length.should == 101
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end
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it "should have a view" do
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@db.view('magic/number', :count => 10)['rows'][0]['key'].should == 0
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end
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it "should yield once per key" do
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results = {}
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@pager.key_reduce('magic/number', 20) do |k,vs|
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results[k] = vs.length
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end
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results[0].should == 10
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results[3].should == 10
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end
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it "with a small step size should yield once per key" do
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results = {}
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@pager.key_reduce('magic/number', 7) do |k,vs|
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results[k] = vs.length
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end
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results[0].should == 10
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results[3].should == 10
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results[9].should == 10
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end
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it "with a large step size should yield once per key" do
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results = {}
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@pager.key_reduce('magic/number', 1000) do |k,vs|
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results[k] = vs.length
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end
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results[0].should == 10
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results[3].should == 10
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results[9].should == 10
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end
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it "with a begin and end should only yield in the range (and leave out the lastkey)" do
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results = {}
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@pager.key_reduce('magic/number', 1000, 4, 7) do |k,vs|
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results[k] = vs.length
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end
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results[0].should be_nil
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results[4].should == 10
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results[6].should == 10
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results[7].should be_nil
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results[8].should be_nil
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results[9].should be_nil
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end
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end
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end |