Summary
CLI tool written in golang which determines produced co2 values for a car and its covered distance
Prerequisite
Tested with go1.15.3 darwin/amd64
Build
First build the tool with
go buildUsage
| Argument | Info | Default | Required |
|---|---|---|---|
| --help | Get information on how to use cli | no | |
| --output | Specify out of co2 value | g | no |
| --transportation-method | Type of the vehicle | - | yes |
| --distance | Covered distance in m or km | - | yes |
| --distance-unit | Unit of covered distance either m or km | km | no |
It is possible to use a command in the following ways (order is not important)
--output kg -output kg --output=kg -output=kg Examples
./co2-calculator --transportation-method train --distance 14500 --unit-of-distance m --output kg./co2-calculator --transportation-method bus --distance 1450 Allowed car input
| Small | Medium | Large | Misc. |
|---|---|---|---|
| small-diesel-car | medium-diesel-car | large-diesel-car | bus |
| small-petrol-car | medium-petrol-car | large-petrol-car | train |
| small-plugin-hybrid-car | medium-plugin-hybrid-car | large-plugin-hybrid-car | |
| small-electric-car | medium-electric-car | large-electric-car |
Test
Coverage is "only" 40% because there are no tests for the actual parsing of the arguments. This is handled by the flag package itself and only input validations are useful.
go test (-cover to see coverage)