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add env var tests

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This commit is contained in:
Lynn Cyrin 2019-08-01 23:26:43 -07:00
parent f4128a02f3
commit d7ec4e8013
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GPG Key ID: EE9CCB427DFEC897
1 changed files with 22 additions and 0 deletions
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22
context_test.go
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@ -407,6 +407,7 @@ func TestCheckRequiredFlags(t *testing.T) {
tdata := []struct { tdata := []struct {
testCase string testCase string
parseInput []string parseInput []string
envVarInput [2]string
flags []Flag flags []Flag
expectedAnError bool expectedAnError bool
expectedErrorContents []string expectedErrorContents []string
@ -435,6 +436,13 @@ func TestCheckRequiredFlags(t *testing.T) {
}, },
parseInput: []string{"--requiredFlag", "myinput"}, parseInput: []string{"--requiredFlag", "myinput"},
}, },
{
testCase: "required_and_present_via_env_var",
flags: []Flag{
StringFlag{Name: "requiredFlag", Required: true, EnvVar: "REQUIRED_FLAG"},
},
envVarInput: [2]string{"REQUIRED_FLAG", "true"},
},
{ {
testCase: "required_and_optional", testCase: "required_and_optional",
flags: []Flag{ flags: []Flag{
@ -452,6 +460,15 @@ func TestCheckRequiredFlags(t *testing.T) {
parseInput: []string{"--optionalFlag", "myinput"}, parseInput: []string{"--optionalFlag", "myinput"},
expectedAnError: true, expectedAnError: true,
}, },
{
testCase: "required_and_optional_and_optional_present_via_env_var",
flags: []Flag{
StringFlag{Name: "requiredFlag", Required: true},
StringFlag{Name: "optionalFlag", EnvVar: "OPTIONAL_FLAG"},
},
envVarInput: [2]string{"OPTIONAL_FLAG", "true"},
expectedAnError: true,
},
{ {
testCase: "required_and_optional_and_required_present", testCase: "required_and_optional_and_required_present",
flags: []Flag{ flags: []Flag{
@ -495,8 +512,13 @@ func TestCheckRequiredFlags(t *testing.T) {
flags.Apply(set) flags.Apply(set)
} }
set.Parse(test.parseInput) set.Parse(test.parseInput)
if test.envVarInput[0] != "" {
os.Clearenv()
os.Setenv(test.envVarInput[0], test.envVarInput[1])
}
ctx := &Context{} ctx := &Context{}
context := NewContext(ctx.App, set, ctx) context := NewContext(ctx.App, set, ctx)
context.Command.Flags = test.flags
// logic under test // logic under test
err := checkRequiredFlags(test.flags, context) err := checkRequiredFlags(test.flags, context)