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Contents
require 'spec_helper'
describe '#hincrbyfloat(key, field, increment)' do
before do
@key = 'mock-redis-test:hincrbyfloat'
@field = 'count'
end
it 'returns the value after the increment' do
@redises.hset(@key, @field, 2.0)
@redises.hincrbyfloat(@key, @field, 2.1).should be_within(0.0001).of(4.1)
end
it 'treats a missing key like 0' do
@redises.hincrbyfloat(@key, @field, 1.2).should be_within(0.0001).of(1.2)
end
it 'creates a hash if nothing is present' do
@redises.hincrbyfloat(@key, @field, 1.0)
@redises.hget(@key, @field).should == '1'
end
it 'increments negative numbers' do
@redises.hset(@key, @field, -10.4)
@redises.hincrbyfloat(@key, @field, 2.3).should be_within(0.0001).of(-8.1)
end
it 'works multiple times' do
@redises.hincrbyfloat(@key, @field, 2.1).should be_within(0.0001).of(2.1)
@redises.hincrbyfloat(@key, @field, 2.2).should be_within(0.0001).of(4.3)
@redises.hincrbyfloat(@key, @field, 2.3).should be_within(0.0001).of(6.6)
end
it 'accepts a float-ish string' do
@redises.hincrbyfloat(@key, @field, '2.2').should be_within(0.0001).of(2.2)
end
it 'treats the field as a string' do
field = 11
@redises.hset(@key, field, 2)
@redises.hincrbyfloat(@key, field, 2).should == 4.0
end
it 'raises an error if the value does not look like a float' do
@redises.hset(@key, @field, 'one.two')
lambda do
@redises.hincrbyfloat(@key, @field, 1)
end.should raise_error(Redis::CommandError)
end
it 'raises an error if the delta does not look like a float' do
lambda do
@redises.hincrbyfloat(@key, @field, 'foobar.baz')
end.should raise_error(Redis::CommandError)
end
it_should_behave_like 'a hash-only command'
end
Version data entries
32 entries across 32 versions & 1 rubygems