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test(flags): add testing of parsing of all supported types from env-vars #24

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Merged
arikkfir merged 1 commit into from
Jul 31, 2024
Merged

test(flags): add testing of parsing of all supported types from env-vars #24

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49 changes: 49 additions & 0 deletions flag_set_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -960,6 +960,55 @@ func TestFlagSetApply(t *testing.T) {
Float64Array: []float64{11.22, 33.44, 55.66},
},
},
"all types are supported from ENV": {
config: &struct {
String string `flag:"true"`
Int int `flag:"true"`
Float32 float32 `flag:"true"`
Float64 float64 `flag:"true"`
Bool bool `flag:"true"`
StringArray []string `flag:"true"`
IntArray []int `flag:"true"`
Float32Array []float32 `flag:"true"`
Float64Array []float64 `flag:"true"`
HTTPAllowedOrigins []string `flag:"true"`
}{},
envVars: map[string]string{
"STRING": "s1",
"INT": "9",
"FLOAT32": "1.2",
"FLOAT64": "123.456",
"BOOL": "true",
"STRING_ARRAY": `sa1,"s with space",sa3,,,`,
"INT_ARRAY": "1,2,3,5,8",
"FLOAT32ARRAY": "1.2,3.4,5.6",
"FLOAT64ARRAY": "11.22,33.44,55.66",
"HTTP_ALLOWED_ORIGINS": "a,b,c",
},
expectedConfig: &struct {
String string `flag:"true"`
Int int `flag:"true"`
Float32 float32 `flag:"true"`
Float64 float64 `flag:"true"`
Bool bool `flag:"true"`
StringArray []string `flag:"true"`
IntArray []int `flag:"true"`
Float32Array []float32 `flag:"true"`
Float64Array []float64 `flag:"true"`
HTTPAllowedOrigins []string `flag:"true"`
}{
String: "s1",
Int: 9,
Float32: 1.2,
Float64: 123.456,
Bool: true,
StringArray: []string{"sa1", "s with space", "sa3", "", "", ""},
IntArray: []int{1, 2, 3, 5, 8},
Float32Array: []float32{1.2, 3.4, 5.6},
Float64Array: []float64{11.22, 33.44, 55.66},
HTTPAllowedOrigins: []string{"a", "b", "c"},
},
},
"CLI overrides environment variables": {
config: &struct {
F1 string `name:"my-field1"`
Expand Down