mirror of
https://github.com/opentofu/opentofu.git
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107 lines
2.1 KiB
Go
107 lines
2.1 KiB
Go
// Copyright (c) The OpenTofu Authors
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// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) 2023 HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package dag
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import (
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"strings"
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"testing"
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)
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func TestGraphDot_empty(t *testing.T) {
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var g Graph
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g.Add(1)
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g.Add(2)
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g.Add(3)
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actual := strings.TrimSpace(string(g.Dot(nil)))
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expected := strings.TrimSpace(testGraphDotEmptyStr)
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if actual != expected {
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t.Fatalf("bad: %s", actual)
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}
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}
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func TestGraphDot_basic(t *testing.T) {
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var g Graph
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g.Add(1)
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g.Add(2)
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g.Add(3)
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g.Connect(BasicEdge(1, 3))
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actual := strings.TrimSpace(string(g.Dot(nil)))
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expected := strings.TrimSpace(testGraphDotBasicStr)
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if actual != expected {
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t.Fatalf("bad: %s", actual)
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}
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}
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func TestGraphDot_quoted(t *testing.T) {
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var g Graph
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quoted := `name["with-quotes"]`
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other := `other`
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g.Add(quoted)
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g.Add(other)
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g.Connect(BasicEdge(quoted, other))
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actual := strings.TrimSpace(string(g.Dot(nil)))
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expected := strings.TrimSpace(testGraphDotQuotedStr)
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if actual != expected {
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t.Fatalf("\ngot: %q\nwanted %q\n", actual, expected)
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}
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}
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func TestGraphDot_attrs(t *testing.T) {
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var g Graph
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g.Add(&testGraphNodeDotter{
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Result: &DotNode{
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Name: "foo",
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Attrs: map[string]string{"foo": "bar"},
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},
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})
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actual := strings.TrimSpace(string(g.Dot(nil)))
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expected := strings.TrimSpace(testGraphDotAttrsStr)
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if actual != expected {
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t.Fatalf("bad: %s", actual)
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}
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}
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type testGraphNodeDotter struct{ Result *DotNode }
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func (n *testGraphNodeDotter) Name() string { return n.Result.Name }
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func (n *testGraphNodeDotter) DotNode(string, *DotOpts) *DotNode { return n.Result }
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const testGraphDotQuotedStr = `digraph {
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compound = "true"
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newrank = "true"
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subgraph "root" {
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"[root] name[\"with-quotes\"]" -> "[root] other"
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}
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}`
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const testGraphDotBasicStr = `digraph {
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compound = "true"
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newrank = "true"
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subgraph "root" {
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"[root] 1" -> "[root] 3"
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}
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}
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`
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const testGraphDotEmptyStr = `digraph {
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compound = "true"
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newrank = "true"
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subgraph "root" {
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}
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}`
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const testGraphDotAttrsStr = `digraph {
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compound = "true"
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newrank = "true"
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subgraph "root" {
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"[root] foo" [foo = "bar"]
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}
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}`
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