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package flags
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/urfave/cli/v2"
)
// TestOptionalFlagsDontSetRequired asserts that all flags deemed optional set
// the Required field to false.
func TestOptionalFlagsDontSetRequired(t *testing.T) {
for _, flag := range optionalFlags {
reqFlag, ok := flag.(cli.RequiredFlag)
require.True(t, ok)
require.False(t, reqFlag.IsRequired())
}
}
// TestUniqueFlags asserts that all flag names are unique, to avoid accidental conflicts between the many flags.
func TestUniqueFlags(t *testing.T) {
seenCLI := make(map[string]struct{})
for _, flag := range Flags {
name := flag.Names()[0]
if _, ok := seenCLI[name]; ok {
t.Errorf("duplicate flag %s", name)
continue
}
seenCLI[name] = struct{}{}
}
}
// TestBetaFlags test that all flags starting with "beta." have "BETA_" in the env var, and vice versa.
func TestBetaFlags(t *testing.T) {
for _, flag := range Flags {
envFlag, ok := flag.(interface {
GetEnvVars() []string
})
if !ok || len(envFlag.GetEnvVars()) == 0 { // skip flags without env-var support
continue
}
name := flag.Names()[0]
envName := envFlag.GetEnvVars()[0]
if strings.HasPrefix(name, "beta.") {
assert.Contains(t, envName, "BETA_", "%q flag must contain BETA in env var to match \"beta.\" flag name", name)
}
if strings.Contains(envName, "BETA_") {
assert.True(t, strings.HasPrefix(name, "beta."), "%q flag must start with \"beta.\" in flag name to match \"BETA_\" env var", name)
}
}
}