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flag_float_test.go
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176 lines (150 loc) · 3.2 KB
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package cli
import (
"io"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func Test_FloatFlag(t *testing.T) {
tests := []struct {
name string
flag Flag
arguments []string
expectedValue float64
expectErr bool
}{
{
name: "valid",
flag: &FloatFlag{
Name: "number",
Aliases: []string{"n"},
},
arguments: []string{"--number", "-234567"},
expectedValue: -234567,
},
{
name: "invalid",
flag: &FloatFlag{
Name: "number",
},
arguments: []string{"--number", "gopher"},
expectErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
cmd := &Command{
Name: "mock",
Flags: []Flag{tt.flag},
Writer: io.Discard,
ErrWriter: io.Discard,
}
err := cmd.Run(buildTestContext(t), append([]string{"mock"}, tt.arguments...))
if tt.expectErr {
require.Error(t, err)
return
}
require.NoError(t, err)
for _, name := range tt.flag.Names() {
assert.Equal(t, tt.expectedValue, cmd.Float(name))
}
})
}
}
func Test_Float32Flag(t *testing.T) {
tests := []struct {
name string
flag Flag
arguments []string
expectedValue float32
expectErr bool
}{
{
name: "valid",
flag: &Float32Flag{
Name: "number",
Aliases: []string{"n"},
},
arguments: []string{"--number", "2147483647"},
expectedValue: 2147483647,
},
{
name: "invalid",
flag: &Float32Flag{
Name: "number",
},
arguments: []string{"--number", "gopher"},
expectErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
cmd := &Command{
Name: "mock",
Flags: []Flag{tt.flag},
Writer: io.Discard,
ErrWriter: io.Discard,
}
err := cmd.Run(buildTestContext(t), append([]string{"mock"}, tt.arguments...))
if tt.expectErr {
require.Error(t, err)
return
}
require.NoError(t, err)
for _, name := range tt.flag.Names() {
assert.Equal(t, tt.expectedValue, cmd.Float32(name))
}
})
}
}
func Test_Float64Flag(t *testing.T) {
tests := []struct {
name string
flag Flag
arguments []string
expectedValue float64
expectErr bool
}{
{
name: "valid",
flag: &Float64Flag{
Name: "number",
Aliases: []string{"n"},
},
arguments: []string{"--number", "-2147483648"},
expectedValue: -2147483648,
},
{
name: "invalid",
flag: &Float64Flag{
Name: "number",
},
arguments: []string{"--number", "gopher"},
expectErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
cmd := &Command{
Name: "mock",
Flags: []Flag{tt.flag},
Writer: io.Discard,
ErrWriter: io.Discard,
}
err := cmd.Run(buildTestContext(t), append([]string{"mock"}, tt.arguments...))
if tt.expectErr {
require.Error(t, err)
return
}
require.NoError(t, err)
for _, name := range tt.flag.Names() {
assert.Equal(t, tt.expectedValue, cmd.Float64(name))
}
})
}
}
func Test_floatValue_String(t *testing.T) {
var f float64 = 100
fv := floatValue[float64]{val: &f}
assert.Equal(t, "100", fv.String())
}