mirror of
https://github.com/prometheus/prometheus.git
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69906bb4f5
Signed-off-by: Kapil Lamba <kapillamba4@gmail.com> Co-authored-by: Neeraj Gartia <80708727+NeerajGartia21@users.noreply.github.com>
382 lines
7.4 KiB
Go
382 lines
7.4 KiB
Go
// Copyright 2025 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package promqltest
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func writeTestFile(t *testing.T, dir, content string) string {
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t.Helper()
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testFile := filepath.Join(dir, "testcase.test")
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require.NoError(t, os.WriteFile(testFile, []byte(content), 0o644))
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return testFile
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}
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func readTestFile(t *testing.T, path string) string {
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t.Helper()
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output, err := os.ReadFile(path)
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require.NoError(t, err)
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return string(output)
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}
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func assertMigration(t *testing.T, mode, input, expected string) {
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dir := t.TempDir()
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testFile := writeTestFile(t, dir, input)
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err := MigrateTestData(mode, dir)
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require.NoError(t, err)
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output := readTestFile(t, testFile)
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require.Equal(t, expected, output)
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}
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func TestMigrateTestData_BasicMode(t *testing.T) {
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tests := []struct {
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name string
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input string
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expected string
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}{
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{
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name: "Basic mode with fail",
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input: `
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eval_fail instant at 1m sum(foo)
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expected_fail_message something went wrong
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{src="a"} 1
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`,
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expected: `
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eval instant at 1m sum(foo)
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expect fail msg:something went wrong
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{src="a"} 1
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`,
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},
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{
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name: "Basic mode with warn",
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input: `
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eval_warn instant at 2m avg(bar)
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{src="a"} 1
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`,
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expected: `
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eval instant at 2m avg(bar)
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expect warn
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{src="a"} 1
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`,
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},
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{
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name: "Basic mode with info",
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input: `
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eval_info instant at 3m min(baz)
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{src="a"} 1
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`,
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expected: `
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eval instant at 3m min(baz)
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expect info
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{src="a"} 1
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`,
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},
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{
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name: "Basic mode with ordered",
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input: `
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eval_ordered instant at 4m max(qux)
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{src="a"} 1
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`,
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expected: `
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eval instant at 4m max(qux)
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expect ordered
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{src="a"} 1
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`,
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},
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{
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name: "Basic mode with multiple eval blocks",
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input: `
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eval_fail instant at 1m sum(foo)
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expected_fail_message something else went wrong
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{src="a"} 1
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eval_warn instant at 2m avg(bar)
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{src="a"} 1
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`,
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expected: `
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eval instant at 1m sum(foo)
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expect fail msg:something else went wrong
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{src="a"} 1
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eval instant at 2m avg(bar)
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expect warn
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{src="a"} 1
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`,
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},
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{
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name: "Basic mode with already migrated syntax (no changes)",
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input: `
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eval instant at 1m sum(foo)
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expect fail msg:something went wrong
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{src="a"} 1
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`,
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expected: `
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eval instant at 1m sum(foo)
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expect fail msg:something went wrong
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{src="a"} 1
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`,
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},
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{
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name: "Basic mode with only comments and whitespace",
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input: `
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# This is a comment
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`,
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expected: `
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# This is a comment
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`,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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assertMigration(t, "basic", tc.input, tc.expected)
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})
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}
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}
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func TestMigrateTestData_StrictMode(t *testing.T) {
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tests := []struct {
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name string
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input string
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expected string
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}{
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{
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name: "Strict mode with fail",
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input: `
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eval_fail instant at 1m sum(foo)
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expected_fail_message something went wrong
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{src="a"} 1
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`,
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expected: `
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eval instant at 1m sum(foo)
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expect fail msg:something went wrong
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expect no_warn
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expect no_info
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{src="a"} 1
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`,
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},
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{
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name: "Strict mode with warn",
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input: `
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eval_warn instant at 2m avg(bar)
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{src="a"} 1
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`,
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expected: `
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eval instant at 2m avg(bar)
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expect warn
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expect no_info
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{src="a"} 1
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`,
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},
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{
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name: "Strict mode with info",
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input: `
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eval_info instant at 3m min(baz)
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{src="a"} 1
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`,
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expected: `
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eval instant at 3m min(baz)
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expect info
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expect no_warn
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{src="a"} 1
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`,
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},
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{
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name: "Strict mode with ordered",
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input: `
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eval_ordered instant at 4m max(qux)
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{src="a"} 1
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`,
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expected: `
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eval instant at 4m max(qux)
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expect ordered
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expect no_warn
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expect no_info
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{src="a"} 1
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`,
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},
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{
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name: "Strict mode with multiple eval blocks",
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input: `
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eval_fail instant at 1m sum(foo)
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expected_fail_message something else went wrong
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{src="a"} 1
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eval_warn instant at 2m avg(bar)
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{src="a"} 1
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`,
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expected: `
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eval instant at 1m sum(foo)
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expect fail msg:something else went wrong
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expect no_warn
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expect no_info
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{src="a"} 1
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eval instant at 2m avg(bar)
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expect warn
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expect no_info
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{src="a"} 1
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`,
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},
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{
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name: "Strict mode with already migrated syntax (no changes)",
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input: `
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eval instant at 1m sum(foo)
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expect fail msg:something went wrong
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expect no_warn
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expect no_info
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{src="a"} 1
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`,
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expected: `
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eval instant at 1m sum(foo)
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expect fail msg:something went wrong
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expect no_warn
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expect no_info
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{src="a"} 1
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`,
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},
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{
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name: "Strict mode with only comments and whitespace",
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input: `
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# This is a comment
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`,
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expected: `
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# This is a comment
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`,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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assertMigration(t, "strict", tc.input, tc.expected)
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})
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}
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}
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func TestMigrateTestData_TolerantMode(t *testing.T) {
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tests := []struct {
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name string
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input string
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expected string
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}{
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{
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name: "Tolerant mode with fail",
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input: `
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eval_fail instant at 1m sum(foo)
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expected_fail_message something went wrong
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{src="a"} 1
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`,
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expected: `
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eval instant at 1m sum(foo)
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expect fail msg:something went wrong
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{src="a"} 1
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`,
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},
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{
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name: "Tolerant mode with warn",
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input: `
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eval_warn instant at 2m avg(bar)
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{src="a"} 1
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`,
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expected: `
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eval instant at 2m avg(bar)
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{src="a"} 1
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`,
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},
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{
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name: "Tolerant mode with info",
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input: `
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eval_info instant at 3m min(baz)
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{src="a"} 1
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`,
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expected: `
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eval instant at 3m min(baz)
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{src="a"} 1
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`,
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},
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{
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name: "Tolerant mode with ordered",
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input: `
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eval_ordered instant at 4m max(qux)
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{src="a"} 1
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`,
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expected: `
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eval instant at 4m max(qux)
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expect ordered
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{src="a"} 1
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`,
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},
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{
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name: "Tolerant mode with multiple eval blocks",
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input: `
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eval_fail instant at 1m sum(foo)
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expected_fail_message something else went wrong
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{src="a"} 1
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eval_warn instant at 2m avg(bar)
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{src="a"} 1
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`,
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expected: `
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eval instant at 1m sum(foo)
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expect fail msg:something else went wrong
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{src="a"} 1
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eval instant at 2m avg(bar)
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{src="a"} 1
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`,
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},
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{
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name: "Tolerant mode with already migrated syntax (no changes)",
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input: `
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eval instant at 1m sum(foo)
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expect fail msg:something went wrong
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{src="a"} 1
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`,
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expected: `
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eval instant at 1m sum(foo)
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expect fail msg:something went wrong
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{src="a"} 1
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`,
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},
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{
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name: "Tolerant mode with only comments and whitespace",
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input: `
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# This is a comment
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`,
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expected: `
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# This is a comment
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`,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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assertMigration(t, "tolerant", tc.input, tc.expected)
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})
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}
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}
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