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Copy pathintegerarraysetting_test.go
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323 lines (315 loc) · 7.92 KB
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package env
import (
"os"
"testing"
"github.com/stretchr/testify/assert"
)
func TestIntegerArraySetting(t *testing.T) {
cases := map[string]struct {
value string
defaultValue []int
minValue int
maxValue int
minLength int
maxLength int
expectedPanic bool
expectedValue []int
}{
"Valid comma-separated integers": {
value: "1,2,3",
defaultValue: []int{5, 5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{1, 2, 3},
},
"Single integer": {
value: "42",
defaultValue: []int{5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{42},
},
"Whitespace around commas": {
value: "1, 2, 3",
defaultValue: []int{5, 5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{1, 2, 3},
},
"Whitespace around values": {
value: " 1 , 2 , 3 ",
defaultValue: []int{5, 5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{1, 2, 3},
},
"Empty string returns default value": {
value: "",
defaultValue: []int{5, 5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{5, 5, 5},
},
"Empty array [] returns empty slice": {
value: "[]",
defaultValue: []int{5, 5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{},
},
"Bracket format with values": {
value: "[1,2,3]",
defaultValue: []int{5, 5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{1, 2, 3},
},
"Bracket format with whitespace": {
value: "[ 1 , 2 , 3 ]",
defaultValue: []int{5, 5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{1, 2, 3},
},
"Return default for invalid format": {
value: "1,abc,3",
defaultValue: []int{5, 5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{5, 5, 5},
},
"Return default for partially invalid format": {
value: "1,2,",
defaultValue: []int{5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{1, 2},
},
"Validation with minimum value": {
value: "5,10,15",
defaultValue: []int{5, 6, 7},
minValue: 5,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{5, 10, 15},
},
"Fail validation with minimum value": {
value: "1,2,3",
defaultValue: []int{10, 10, 10},
minValue: 5,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{10, 10, 10},
},
"Pass validation with maximum value": {
value: "5,10,15",
defaultValue: []int{1, 2, 3},
minValue: 0,
maxValue: 20,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{5, 10, 15},
},
"Fail validation with maximum value": {
value: "5,10,25",
defaultValue: []int{1, 2, 3},
minValue: 0,
maxValue: 20,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{1, 2, 3},
},
"Pass validation with min and max value": {
value: "5,10,15",
defaultValue: []int{1, 2, 3},
minValue: 0,
maxValue: 20,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{5, 10, 15},
},
"Pass validation with minimum length": {
value: "1,2,3",
defaultValue: []int{5, 5},
minValue: 0,
maxValue: 100,
minLength: 2,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{1, 2, 3},
},
"Fail validation with minimum length": {
value: "1",
defaultValue: []int{5, 5},
minValue: 0,
maxValue: 100,
minLength: 2,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{5, 5},
},
"Pass validation with maximum length": {
value: "1,2,3",
defaultValue: []int{5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 5,
expectedPanic: false,
expectedValue: []int{1, 2, 3},
},
"Fail validation with maximum length": {
value: "1,2,3,4,5,6",
defaultValue: []int{5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 5,
expectedPanic: false,
expectedValue: []int{5, 5},
},
"Pass validation with min and max length": {
value: "1,2,3",
defaultValue: []int{5, 5},
minValue: 0,
maxValue: 100,
minLength: 1,
maxLength: 5,
expectedPanic: false,
expectedValue: []int{1, 2, 3},
},
"Handle negative numbers": {
value: "-1,-2,-3",
defaultValue: []int{0, 0, 0},
minValue: -10,
maxValue: 10,
minLength: 0,
maxLength: 100,
expectedPanic: false,
expectedValue: []int{-1, -2, -3},
},
"Panic with invalid minimum value greater than maximum": {
defaultValue: []int{5, 5},
minValue: 10,
maxValue: 5,
minLength: 0,
maxLength: 100,
expectedPanic: true,
},
"Panic with invalid minimum length negative": {
defaultValue: []int{5, 5},
minValue: 0,
maxValue: 100,
minLength: -1,
maxLength: 100,
expectedPanic: true,
},
"Panic with invalid minimum length greater than maximum": {
defaultValue: []int{5, 5},
minValue: 0,
maxValue: 100,
minLength: 10,
maxLength: 5,
expectedPanic: true,
},
"Panic with default value length less than minimum": {
defaultValue: []int{5},
minValue: 0,
maxValue: 100,
minLength: 2,
maxLength: 100,
expectedPanic: true,
},
"Panic with default value length greater than maximum": {
defaultValue: []int{5, 5, 5},
minValue: 0,
maxValue: 100,
minLength: 0,
maxLength: 2,
expectedPanic: true,
},
"Panic with default value element less than minimum": {
defaultValue: []int{1, 2, 3},
minValue: 5,
maxValue: 100,
minLength: 0,
maxLength: 100,
expectedPanic: true,
},
"Panic with default value element greater than maximum": {
defaultValue: []int{5, 10, 15},
minValue: 0,
maxValue: 10,
minLength: 0,
maxLength: 100,
expectedPanic: true,
},
}
for name, tc := range cases {
t.Run(name, func(t *testing.T) {
envVar := "ROX_TEST_INT_ARRAY_SETTING_" + name
defer unregisterSetting(envVar)
if tc.value != "" {
err := os.Setenv(envVar, tc.value)
assert.NoError(t, err)
defer func() {
_ = os.Unsetenv(envVar)
}()
}
if tc.expectedPanic {
assert.Panics(t, func() {
testRegisterArraySetting(envVar, tc.defaultValue, tc.minValue, tc.maxValue, tc.minLength, tc.maxLength)
})
} else {
s := testRegisterArraySetting(envVar, tc.defaultValue, tc.minValue, tc.maxValue, tc.minLength, tc.maxLength)
value, _ := s.IntegerArraySetting()
assert.Equal(t, tc.expectedValue, value)
}
})
}
}
func testRegisterArraySetting(name string, defaultValue []int, minValue, maxValue, minLength, maxLength int) *IntegerArraySetting {
s := RegisterIntegerArraySetting(name, defaultValue)
s = s.WithMinimumElementValue(minValue)
s = s.WithMaximumElementValue(maxValue)
s = s.WithMinLength(minLength)
s = s.WithMaxLength(maxLength)
return s
}