mirror of https://github.com/hashicorp/consul
67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
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// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package controller
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import (
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"testing"
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"github.com/hashicorp/consul/internal/testing/golden"
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"github.com/stretchr/testify/require"
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)
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func TestDependenciesGolden(t *testing.T) {
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deps := Dependencies{
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"t1": []string{"t2", "t3"},
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"t2": []string{"t4"},
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"t4": []string{"t1"},
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}
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mermaid := deps.ToMermaid()
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expected := golden.Get(t, mermaid, "dependencies.golden")
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require.Equal(t, expected, mermaid)
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}
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func TestValidateDependencies(t *testing.T) {
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type testCase struct {
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dependencies Dependencies
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expectErr string
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}
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run := func(t *testing.T, tc testCase) {
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err := tc.dependencies.validate()
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if len(tc.expectErr) > 0 {
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require.Contains(t, err.Error(), tc.expectErr)
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} else {
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require.NoError(t, err)
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}
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}
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cases := map[string]testCase{
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"empty": {
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dependencies: nil,
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},
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"no circular dependencies": {
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dependencies: Dependencies{
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"t1": []string{"t2", "t3"},
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"t2": []string{"t3"},
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"t3": []string{"t4"},
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"t4": nil,
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},
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},
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"with circular dependency": {
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dependencies: Dependencies{
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"t1": []string{"t2", "t3"},
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"t2": []string{"t1"},
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},
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expectErr: `circular dependency between "t1" and "t2"`,
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},
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}
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for name, tc := range cases {
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t.Run(name, func(t *testing.T) {
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run(t, tc)
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})
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}
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}
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