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v/vlib/cli/flag_test.v
2021-03-19 13:09:56 +02:00

217 lines
4.4 KiB
V

import cli
fn test_if_string_flag_parses() {
mut flag := cli.Flag{
flag: .string
name: 'flag'
}
flag.parse(['-flag', 'value1'], false) or { panic(err) }
mut value := flag.get_string() or { panic(err) }
assert value == 'value1'
flag = cli.Flag{
flag: .string
name: 'flag'
}
flag.parse(['-flag=value2'], false) or { panic(err) }
value = flag.get_string() or { panic(err) }
assert value == 'value2'
flag = cli.Flag{
flag: .string_array
name: 'flag'
}
flag.parse(['-flag=value1'], false) or { panic(err) }
flag.parse(['-flag=value2'], false) or { panic(err) }
mut values := flag.get_strings() or { panic(err) }
assert values == ['value1', 'value2']
flags := [
cli.Flag{
flag: .string_array
name: 'flag'
value: ['a', 'b', 'c']
},
cli.Flag{
flag: .string
name: 'flag2'
},
]
values = flags.get_strings('flag') or { panic(err) }
assert values == ['a', 'b', 'c']
}
fn test_if_bool_flag_parses() {
mut flag := cli.Flag{
flag: .bool
name: 'flag'
}
mut value := false
flag.parse(['-flag'], false) or { panic(err) }
value = flag.get_bool() or { panic(err) }
assert value == true
flag.parse(['-flag', 'false'], false) or { panic(err) }
value = flag.get_bool() or { panic(err) }
assert value == false
flag.parse(['-flag', 'true'], false) or { panic(err) }
value = flag.get_bool() or { panic(err) }
assert value == true
flag.parse(['-flag=false'], false) or { panic(err) }
value = flag.get_bool() or { panic(err) }
assert value == false
flag.parse(['-flag=true'], false) or { panic(err) }
value = flag.get_bool() or { panic(err) }
assert value == true
}
fn test_if_int_flag_parses() {
mut flag := cli.Flag{
flag: .int
name: 'flag'
}
mut value := 0
flag.parse(['-flag', '42'], false) or { panic(err) }
value = flag.get_int() or { panic(err) }
assert value == 42
flag = cli.Flag{
flag: .int
name: 'flag'
}
flag.parse(['-flag=45'], false) or { panic(err) }
value = flag.get_int() or { panic(err) }
assert value == 45
flag = cli.Flag{
flag: .int_array
name: 'flag'
}
flag.parse(['-flag=42'], false) or { panic(err) }
flag.parse(['-flag=45'], false) or { panic(err) }
mut values := flag.get_ints() or { panic(err) }
assert values == [42, 45]
flags := [
cli.Flag{
flag: .int_array
name: 'flag'
value: ['1', '2', '3']
},
cli.Flag{
flag: .int
name: 'flag2'
},
]
values = flags.get_ints('flag') or { panic(err) }
assert values == [1, 2, 3]
}
fn test_if_float_flag_parses() {
mut flag := cli.Flag{
flag: .float
name: 'flag'
}
mut value := f64(0)
flag.parse(['-flag', '3.14158'], false) or { panic(err) }
value = flag.get_float() or { panic(err) }
assert value == 3.14158
flag = cli.Flag{
flag: .float
name: 'flag'
}
flag.parse(['-flag=3.14159'], false) or { panic(err) }
value = flag.get_float() or { panic(err) }
assert value == 3.14159
flag = cli.Flag{
flag: .float_array
name: 'flag'
}
flag.parse(['-flag=3.1'], false) or { panic(err) }
flag.parse(['-flag=1.3'], false) or { panic(err) }
mut values := flag.get_floats() or { panic(err) }
assert values == [3.1, 1.3]
flags := [
cli.Flag{
flag: .float_array
name: 'flag'
value: ['1.1', '2.2', '3.3']
},
cli.Flag{
flag: .float
name: 'flag2'
},
]
values = flags.get_floats('flag') or { panic(err) }
assert values == [1.1, 2.2, 3.3]
}
fn test_if_flag_parses_with_abbrev() {
mut flag := cli.Flag{
flag: .bool
name: 'flag'
abbrev: 'f'
}
mut value := false
flag.parse(['--flag'], true) or { panic(err) }
value = flag.get_bool() or { panic(err) }
assert value == true
value = false
flag = cli.Flag{
flag: .bool
name: 'flag'
abbrev: 'f'
}
flag.parse(['-f'], true) or { panic(err) }
value = flag.get_bool() or { panic(err) }
assert value == true
}
fn test_if_multiple_value_on_single_value() {
mut flag := cli.Flag{
flag: .float
name: 'flag'
}
flag.parse(['-flag', '3.14158'], false) or { panic(err) }
if _ := flag.parse(['-flag', '3.222'], false) {
panic("No multiple value flag don't raise an error!")
} else {
assert true
}
}
fn test_default_value() {
mut flag := cli.Flag{
flag: .float
name: 'flag'
default_value: ['1.234']
}
flag.parse(['-flag', '3.14158'], false) or { panic(err) }
mut value := flag.get_float() or { panic(err) }
assert value == 3.14158
flag = cli.Flag{
flag: .float
name: 'flag'
default_value: ['1.234']
}
flag.parse([''], false) or { panic(err) }
value = flag.get_float() or { panic(err) }
assert value == 1.234
}