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https://github.com/opentofu/opentofu.git
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f1657bb3e3
Reduce the graphs, as they are too ungainly to compare without reduction. We also depend on reduction in all use cases, so we should be testing the graph as we use it anyway.
105 lines
2.0 KiB
Go
105 lines
2.0 KiB
Go
package terraform
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import (
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"testing"
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"github.com/hashicorp/terraform/dag"
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)
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// testGraphContains is an assertion helper that tests that a node is
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// contained in the graph.
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func testGraphContains(t *testing.T, g *Graph, name string) {
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for _, v := range g.Vertices() {
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if dag.VertexName(v) == name {
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return
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}
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}
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t.Fatalf(
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"Expected %q in:\n\n%s",
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name, g.String())
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}
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// testGraphnotContains is an assertion helper that tests that a node is
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// NOT contained in the graph.
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func testGraphNotContains(t *testing.T, g *Graph, name string) {
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for _, v := range g.Vertices() {
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if dag.VertexName(v) == name {
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t.Fatalf(
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"Expected %q to NOT be in:\n\n%s",
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name, g.String())
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}
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}
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}
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// testGraphHappensBefore is an assertion helper that tests that node
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// A (dag.VertexName value) happens before node B.
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func testGraphHappensBefore(t *testing.T, g *Graph, A, B string) {
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t.Helper()
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// Find the B vertex
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var vertexB dag.Vertex
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for _, v := range g.Vertices() {
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if dag.VertexName(v) == B {
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vertexB = v
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break
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}
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}
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if vertexB == nil {
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t.Fatalf(
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"Expected %q before %q. Couldn't find %q in:\n\n%s",
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A, B, B, g.String())
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}
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// Look at ancestors
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deps, err := g.Ancestors(vertexB)
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if err != nil {
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t.Fatalf("Error: %s in graph:\n\n%s", err, g.String())
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}
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// Make sure B is in there
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for _, v := range deps.List() {
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if dag.VertexName(v) == A {
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// Success
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return
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}
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}
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t.Fatalf(
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"Expected %q before %q in:\n\n%s",
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A, B, g.String())
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}
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type testGraphSubPath struct {
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PathFn func() []string
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}
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func (v *testGraphSubPath) Path() []string { return v.PathFn() }
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type testGraphDependable struct {
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VertexName string
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DependentOnMock []string
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}
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func (v *testGraphDependable) Name() string {
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return v.VertexName
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}
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func (v *testGraphDependable) DependableName() []string {
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return []string{v.VertexName}
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}
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func (v *testGraphDependable) DependentOn() []string {
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return v.DependentOnMock
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}
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const testGraphAddStr = `
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42
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84
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`
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const testGraphConnectDepsStr = `
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a
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b
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a
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`
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