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Contents
require File.join(File.dirname(File.expand_path(__FILE__)), "spec_helper")
describe "null_dataset extension" do
before do
@db = Sequel::mock(:fetch=>{:id=>1}, :autoid=>1, :numrows=>1, :columns=>[:id]).extension(:null_dataset)
@ds = @db[:table].nullify
@i = 0
@pr = proc{|*a| @i += 1}
end
after do
@db.sqls.should == [] unless @skip_check
end
it "should make each be a noop" do
@ds.each(&@pr).should equal(@ds)
@i.should == 0
end
it "should make fetch_rows be a noop" do
@ds.fetch_rows("SELECT 1", &@pr).should == nil
@i.should == 0
end
it "should make insert be a noop" do
@ds.insert(1).should == nil
end
it "should make update be a noop" do
@ds.update(:a=>1).should == 0
end
it "should make delete be a noop" do
@ds.delete.should == 0
end
it "should make truncate be a noop" do
@ds.truncate.should == nil
end
it "should make execute_* be a noop" do
@ds.send(:execute_ddl,'FOO').should == nil
@ds.send(:execute_insert,'FOO').should == nil
@ds.send(:execute_dui,'FOO').should == nil
@ds.send(:execute,'FOO').should == nil
end
it "should have working columns" do
@skip_check = true
@ds.columns.should == [:id]
@db.sqls.should == ['SELECT * FROM table LIMIT 1']
end
it "should have count return 0" do
@ds.count.should == 0
end
it "should have empty return true" do
@ds.empty?.should == true
end
it "should make import a noop" do
@ds.import([:id], [[1], [2], [3]]).should == nil
end
it "should have nullify method returned modified receiver" do
@skip_check = true
ds = @db[:table]
ds.nullify.should_not equal(ds)
ds.each(&@pr)
@db.sqls.should == ['SELECT * FROM table']
@i.should == 1
end
it "should have nullify! method modify receiver" do
ds = @db[:table]
ds.nullify!.should equal(ds)
ds.each(&@pr)
@i.should == 0
end
it "should work with method chaining" do
@ds.where(:a=>1).select(:b).each(&@pr)
@i.should == 0
end
end
Version data entries
26 entries across 26 versions & 2 rubygems