197 lines
4 KiB
Go
197 lines
4 KiB
Go
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package kubernetes
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestNewPercentageValueFromFloat64(t *testing.T) {
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testCases := []struct {
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desc string
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value float64
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expectedString string
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expectedFloat64 float64
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}{
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{
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value: 0.01,
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expectedString: "1.000%",
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expectedFloat64: 0.01,
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},
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{
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value: 0.5,
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expectedString: "50.000%",
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expectedFloat64: 0.5,
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},
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{
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value: 0.99,
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expectedString: "99.000%",
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expectedFloat64: 0.99,
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},
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{
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value: 0.99999,
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expectedString: "99.999%",
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expectedFloat64: 0.99999,
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},
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{
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value: -0.99999,
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expectedString: "-99.999%",
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expectedFloat64: -0.99999,
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},
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{
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value: -0.9999999,
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expectedString: "-99.999%",
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expectedFloat64: -0.99999,
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},
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{
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value: 0,
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expectedString: "0.000%",
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expectedFloat64: 0,
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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pvFromFloat64 := newPercentageValueFromFloat64(test.value)
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assert.Equal(t, test.expectedString, pvFromFloat64.String(), "percentage string value mismatched")
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assert.Equal(t, test.expectedFloat64, pvFromFloat64.toFloat64(), "percentage float64 value mismatched")
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})
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}
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}
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func TestNewPercentageValueFromString(t *testing.T) {
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testCases := []struct {
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desc string
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value string
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expectError bool
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expectedString string
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expectedFloat64 float64
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}{
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{
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value: "1%",
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expectError: false,
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expectedString: "1.000%",
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expectedFloat64: 0.01,
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},
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{
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value: "0.5",
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expectError: false,
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expectedString: "0.500%",
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expectedFloat64: 0.005,
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},
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{
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value: "99%",
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expectError: false,
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expectedString: "99.000%",
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expectedFloat64: 0.99,
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},
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{
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value: "99.9%",
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expectError: false,
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expectedString: "99.900%",
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expectedFloat64: 0.999,
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},
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{
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value: "-99.9%",
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expectError: false,
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expectedString: "-99.900%",
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expectedFloat64: -0.999,
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},
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{
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value: "-99.99999%",
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expectError: false,
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expectedString: "-99.999%",
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expectedFloat64: -0.99999,
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},
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{
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value: "0%",
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expectError: false,
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expectedString: "0.000%",
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expectedFloat64: 0,
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},
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{
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value: "%",
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expectError: true,
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},
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{
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value: "foo",
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expectError: true,
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},
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{
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value: "",
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expectError: true,
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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pvFromString, err := newPercentageValueFromString(test.value)
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if test.expectError {
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require.Error(t, err, "expecting error but not happening")
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} else {
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require.NoError(t, err, "fail to parse percentage value")
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assert.Equal(t, test.expectedString, pvFromString.String(), "percentage string value mismatched")
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assert.Equal(t, test.expectedFloat64, pvFromString.toFloat64(), "percentage float64 value mismatched")
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}
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})
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}
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}
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func TestNewPercentageValue(t *testing.T) {
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testCases := []struct {
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desc string
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stringValue string
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floatValue float64
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}{
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{
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desc: "percentage",
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stringValue: "1%",
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floatValue: 0.01,
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},
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{
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desc: "decimal",
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stringValue: "0.5",
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floatValue: 0.005,
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},
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{
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desc: "negative percentage",
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stringValue: "-99.999%",
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floatValue: -0.99999,
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},
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{
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desc: "negative decimal",
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stringValue: "-0.99999",
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floatValue: -0.0099999,
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},
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{
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desc: "zero",
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stringValue: "0%",
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floatValue: 0,
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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pvFromString, err := newPercentageValueFromString(test.stringValue)
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require.NoError(t, err, "fail to parse percentage value")
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pvFromFloat64 := newPercentageValueFromFloat64(test.floatValue)
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assert.Equal(t, pvFromString, pvFromFloat64)
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})
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}
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}
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