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// Copyright 2024 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package templates
import (
"math"
"testing"
"github.com/stretchr/testify/require"
)
func TestHumanizeDuration(t *testing.T) {
tc := []struct {
name string
input interface{}
expected string
}{
// Integers
{name: "zero", input: 0, expected: "0s"},
{name: "one second", input: 1, expected: "1s"},
{name: "one minute", input: 60, expected: "1m 0s"},
{name: "one hour", input: 3600, expected: "1h 0m 0s"},
{name: "one day", input: 86400, expected: "1d 0h 0m 0s"},
{name: "one day and one hour", input: 86400 + 3600, expected: "1d 1h 0m 0s"},
{name: "negative duration", input: -(86400*2 + 3600*3 + 60*4 + 5), expected: "-2d 3h 4m 5s"},
// Float64 with fractions
{name: "using a float", input: 899.99, expected: "14m 59s"},
{name: "millseconds", input: .1, expected: "100ms"},
{name: "nanoseconds", input: .0001, expected: "100us"},
{name: "milliseconds + nanoseconds", input: .12345, expected: "123.5ms"},
{name: "minute + millisecond", input: 60.1, expected: "1m 0s"},
{name: "minute + milliseconds", input: 60.5, expected: "1m 0s"},
{name: "second + milliseconds", input: 1.2345, expected: "1.234s"},
{name: "second + milliseconds rounded", input: 12.345, expected: "12.35s"},
// String
{name: "zero", input: "0", expected: "0s"},
{name: "second", input: "1", expected: "1s"},
{name: "minute", input: "60", expected: "1m 0s"},
{name: "hour", input: "3600", expected: "1h 0m 0s"},
{name: "day", input: "86400", expected: "1d 0h 0m 0s"},
// String with fractions
{name: "millseconds", input: ".1", expected: "100ms"},
{name: "nanoseconds", input: ".0001", expected: "100us"},
{name: "milliseconds + nanoseconds", input: ".12345", expected: "123.5ms"},
{name: "minute + millisecond", input: "60.1", expected: "1m 0s"},
{name: "minute + milliseconds", input: "60.5", expected: "1m 0s"},
{name: "second + milliseconds", input: "1.2345", expected: "1.234s"},
{name: "second + milliseconds rounded", input: "12.345", expected: "12.35s"},
// Int
{name: "zero", input: 0, expected: "0s"},
{name: "negative", input: -1, expected: "-1s"},
{name: "second", input: 1, expected: "1s"},
{name: "days", input: 1234567, expected: "14d 6h 56m 7s"},
}
for _, tt := range tc {
t.Run(tt.name, func(t *testing.T) {
result, err := HumanizeDuration(tt.input)
require.NoError(t, err)
require.Equal(t, tt.expected, result)
})
}
}
func TestHumanizeDurationErrorString(t *testing.T) {
_, err := HumanizeDuration("one")
require.Error(t, err)
}
func TestHumanizeTimestamp(t *testing.T) {
tc := []struct {
name string
input interface{}
expected string
}{
// Int
{name: "zero", input: 0, expected: "1970-01-01 00:00:00 +0000 UTC"},
{name: "negative", input: -1, expected: "1969-12-31 23:59:59 +0000 UTC"},
{name: "one", input: 1, expected: "1970-01-01 00:00:01 +0000 UTC"},
{name: "past", input: 1234567, expected: "1970-01-15 06:56:07 +0000 UTC"},
{name: "future", input: int64(9223372036), expected: "2262-04-11 23:47:16 +0000 UTC"},
// Uint
{name: "zero", input: uint64(0), expected: "1970-01-01 00:00:00 +0000 UTC"},
{name: "one", input: uint64(1), expected: "1970-01-01 00:00:01 +0000 UTC"},
{name: "past", input: uint64(1234567), expected: "1970-01-15 06:56:07 +0000 UTC"},
{name: "future", input: uint64(9223372036), expected: "2262-04-11 23:47:16 +0000 UTC"},
// NaN/Inf, strings
{name: "infinity", input: "+Inf", expected: "+Inf"},
{name: "minus infinity", input: "-Inf", expected: "-Inf"},
{name: "NaN", input: "NaN", expected: "NaN"},
// Nan/Inf, float64
{name: "infinity", input: math.Inf(1), expected: "+Inf"},
{name: "minus infinity", input: math.Inf(-1), expected: "-Inf"},
{name: "NaN", input: math.NaN(), expected: "NaN"},
// Sampled data
{name: "sample float64", input: 1435065584.128, expected: "2015-06-23 13:19:44.128 +0000 UTC"},
{name: "sample string", input: "1435065584.128", expected: "2015-06-23 13:19:44.128 +0000 UTC"},
}
for _, tt := range tc {
t.Run(tt.name, func(t *testing.T) {
result, err := HumanizeTimestamp(tt.input)
require.NoError(t, err)
require.Equal(t, tt.expected, result)
})
}
}
func TestHumanizeTimestampError(t *testing.T) {
_, err := HumanizeTimestamp(int64(math.MaxInt64))
require.Error(t, err)
}
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