1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
package flags
import (
"reflect"
"strings"
"testing"
"github.com/urfave/cli/v2"
)
// 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{}{}
}
}
// TestUniqueEnvVars asserts that all flag env vars are unique, to avoid accidental conflicts between the many flags.
func TestUniqueEnvVars(t *testing.T) {
seenCLI := make(map[string]struct{})
for _, flag := range Flags {
envVar := envVarForFlag(flag)
if _, ok := seenCLI[envVar]; envVar != "" && ok {
t.Errorf("duplicate flag env var %s", envVar)
continue
}
seenCLI[envVar] = struct{}{}
}
}
func TestCorrectEnvVarPrefix(t *testing.T) {
for _, flag := range Flags {
envVar := envVarForFlag(flag)
if envVar == "" {
t.Errorf("Failed to find EnvVar for flag %v", flag.Names()[0])
}
if !strings.HasPrefix(envVar, "OP_PROGRAM_") {
t.Errorf("Flag %v env var (%v) does not start with OP_PROGRAM_", flag.Names()[0], envVar)
}
if strings.Contains(envVar, "__") {
t.Errorf("Flag %v env var (%v) has duplicate underscores", flag.Names()[0], envVar)
}
}
}
func envVarForFlag(flag cli.Flag) string {
values := reflect.ValueOf(flag)
envVarValue := values.Elem().FieldByName("EnvVars")
if envVarValue == (reflect.Value{}) || envVarValue.Len() == 0 {
return ""
}
return envVarValue.Index(0).String()
}