mirror of
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121 lines
2.2 KiB
Go
121 lines
2.2 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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func TestGraphWalk_panicWrap(t *testing.T) {
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var g Graph
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// Add our crasher
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v := &testGraphSubPath{
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PathFn: func() []string {
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panic("yo")
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},
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}
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g.Add(v)
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err := g.Walk(GraphWalkerPanicwrap(new(NullGraphWalker)))
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if err == nil {
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t.Fatal("should error")
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}
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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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// 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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