mirror of https://github.com/status-im/consul.git
85 lines
2.6 KiB
Go
85 lines
2.6 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package xdscommon
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import (
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"slices"
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"sort"
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"testing"
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"github.com/hashicorp/go-version"
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"github.com/stretchr/testify/assert"
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)
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// TestProxySupportOrder tests that the values in EnvoyVersions are valid (X.Y.Z), contiguous by "major" (X.Y) version,
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// and sorted in descending order.
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func TestProxySupportOrder(t *testing.T) {
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versions := make([]*version.Version, len(EnvoyVersions))
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beforeSort := make([]*version.Version, len(EnvoyVersions))
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for i, raw := range EnvoyVersions {
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v, _ := version.NewVersion(raw)
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if v.Segments()[0] != 1 {
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// If this fails, we need to add support for a new semver-major (x in x.y.z) version of Envoy
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t.Fatalf("Expected major version to be 1, got: %v", v.Segments()[0])
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}
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versions[i] = v
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beforeSort[i] = v
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}
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// After this, the versions are properly sorted
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// go-version has a collection container, but it only allows for sorting in ascending order
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sort.Slice(versions, func(i, j int) bool {
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return versions[j].LessThan(versions[i])
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})
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// Check that we already have a sorted list
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for i := range EnvoyVersions {
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assert.True(t, versions[i].Equal(beforeSort[i]))
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}
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// Check that we have a continues set of versions
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for i := 1; i < len(versions); i++ {
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previousMajorVersion := getMajorVersion(versions[i-1])
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majorVersion := getMajorVersion(versions[i])
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assert.True(t, majorVersion == previousMajorVersion-1,
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"Expected Envoy major version following %d.%d to be %d.%d, got %d.%d",
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versions[i-1].Segments()[0],
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previousMajorVersion,
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versions[i-1].Segments()[0],
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previousMajorVersion-1,
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versions[i].Segments()[0],
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majorVersion)
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}
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}
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func TestParseEnvoyVersions(t *testing.T) {
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// Test with valid versions, comments, and blank lines
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raw := "# Comment\n1.29.4\n\n# More\n# comments\n1.28.3\n\n1.27.5\n1.26.8\n\n"
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expected := []string{"1.29.4", "1.28.3", "1.27.5", "1.26.8"}
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versions, err := parseEnvoyVersions(raw)
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assert.NoError(t, err)
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if !slices.Equal(versions, expected) {
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t.Fatalf("Expected %v, got: %v", expected, versions)
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}
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// Test with invalid version
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raw = "1.29.4\n1.26.8\nfoo"
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_, err = parseEnvoyVersions(raw)
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assert.EqualError(t, err, "invalid version in ENVOY_VERSIONS: foo")
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// Test with out-of-order values
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raw = "1.29.4\n1.26.8\n1.27.5"
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_, err = parseEnvoyVersions(raw)
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assert.EqualError(t, err, "ENVOY_VERSIONS must be sorted in descending order")
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}
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// getMajorVersion returns the "major" (Y in X.Y.Z) version of the given Envoy version.
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func getMajorVersion(version *version.Version) int {
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return version.Segments()[1]
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}
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