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require File.dirname(__FILE__) + '/../spec_helper'
require 'couch_potato/rspec/matchers'
require 'ostruct'
describe CouchPotato::RSpec::MapToMatcher do
describe "basic map function" do
before(:each) do
@view_spec = OpenStruct.new(:map_function => "function(doc) {emit(doc.name, doc.tags.length);}")
end
it "should pass if the given function emits the expected javascript" do
@view_spec.should map({:name => 'horst', :tags => ['person', 'male']}).to(['horst', 2])
end
it "should not pass if the given function emits different javascript" do
@view_spec.should_not map({:name => 'horst', :tags => ['person', 'male']}).to(['horst', 3])
end
end
describe "functions emitting multiple times" do
before(:each) do
@view_spec = OpenStruct.new(:map_function => "function(doc) {emit(doc.name, doc.tags.length); emit(doc.tags[0], doc.tags[1])};")
end
it "should pass if the given function emits the expected javascript" do
@view_spec.should map({:name => 'horst', :tags => ['person', 'male']}).to(['horst', 2], ['person', 'male'])
end
it "should return false if the given function emits different javascript" do
@view_spec.should_not map({:name => 'horst', :tags => ['person', 'male']}).to(['horst', 2], ['male', 'person'])
end
end
describe "failing specs" do
before(:each) do
@view_spec = OpenStruct.new(:map_function => "function(doc) {emit(doc.name, null)}")
end
it "should have a nice error message for failing should" do
lambda {
@view_spec.should map({:name => 'bill'}).to(['linus', nil])
}.should raise_error('Expected to map to [["linus", nil]] but got [["bill", nil]].')
end
it "should have a nice error message for failing should not" do
lambda {
@view_spec.should_not map({:name => 'bill'}).to(['bill', nil])
}.should raise_error('Expected not to map to [["bill", nil]] but did.')
end
end
end
describe CouchPotato::RSpec::ReduceToMatcher do
before(:each) do
@view_spec = OpenStruct.new(:reduce_function => "function(docs, keys, rereduce) {
if(rereduce) {
return(sum(keys) * 2);
} else {
return(sum(keys));
};
}")
end
it "should pass if the given function return the expected javascript" do
@view_spec.should reduce([], [1, 2, 3]).to(6)
end
it "should not pass if the given function returns different javascript" do
@view_spec.should_not reduce([], [1, 2, 3]).to(7)
end
describe "rereduce" do
it "should pass if the given function return the expected javascript" do
@view_spec.should rereduce([], [1, 2, 3]).to(12)
end
it "should not pass if the given function returns different javascript" do
@view_spec.should_not rereduce([], [1, 2, 3]).to(13)
end
end
describe 'failing specs' do
it "should have a nice error message for failing should" do
lambda {
@view_spec.should reduce([], [1, 2, 3]).to(7)
}.should raise_error('Expected to reduce to 7 but got 6.')
end
it "should have a nice error message for failing should not" do
lambda {
@view_spec.should_not reduce([], [1, 2, 3]).to(6)
}.should raise_error('Expected not to reduce to 6 but did.')
end
end
end
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