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package engine
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import (
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"fmt"
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"sync"
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"testing"
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"github.com/deis/tiller/pkg/proto/hapi/chart"
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)
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func TestEngine(t *testing.T) {
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e := New()
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// Forbidden because they allow access to the host OS.
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forbidden := []string{"env", "expandenv"}
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for _, f := range forbidden {
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if _, ok := e.FuncMap[f]; ok {
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t.Errorf("Forbidden function %s exists in FuncMap.", f)
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}
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}
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}
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func TestRender(t *testing.T) {
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t.Skip()
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}
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func TestRenderInternals(t *testing.T) {
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// Test the internals of the rendering tool.
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e := New()
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tpls := map[string]string{
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"one": `Hello {{title .Name}}`,
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"two": `Goodbye {{upper .Value}}`,
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// Test whether a template can reliably reference another template
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// without regard for ordering.
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"three": `{{template "two" dict "Value" "three"}}`,
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}
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vals := map[string]string{"Name": "one", "Value": "two"}
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out, err := e.render(tpls, vals)
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if err != nil {
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t.Fatalf("Failed template rendering: %s", err)
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}
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if len(out) != 3 {
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t.Fatalf("Expected 3 templates, got %d", len(out))
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}
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if out["one"] != "Hello One" {
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t.Errorf("Expected 'Hello One', got %q", out["one"])
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}
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if out["two"] != "Goodbye TWO" {
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t.Errorf("Expected 'Goodbye TWO'. got %q", out["two"])
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}
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if out["three"] != "Goodbye THREE" {
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t.Errorf("Expected 'Goodbye THREE'. got %q", out["two"])
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}
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}
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func TestParallelRenderInternals(t *testing.T) {
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// Make sure that we can use one Engine to run parallel template renders.
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e := New()
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var wg sync.WaitGroup
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for i := 0; i < 20; i++ {
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wg.Add(1)
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go func(i int) {
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fname := "my/file/name"
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tt := fmt.Sprintf("expect-%d", i)
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tpls := map[string]string{fname: `{{.val}}`}
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v := map[string]string{"val": tt}
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out, err := e.render(tpls, v)
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if err != nil {
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t.Errorf("Failed to render %s: %s", tt, err)
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}
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if out[fname] != tt {
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t.Errorf("Expected %q, got %q", tt, out[fname])
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}
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wg.Done()
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}(i)
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}
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wg.Wait()
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}
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func TestAllTemplates(t *testing.T) {
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ch1 := &chart.Chart{
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Templates: []*chart.Template{
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{Name: "foo", Data: []byte("foo")},
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{Name: "bar", Data: []byte("bar")},
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},
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Dependencies: []*chart.Chart{
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{Templates: []*chart.Template{
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{Name: "pinky", Data: []byte("pinky")},
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{Name: "brain", Data: []byte("brain")},
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}},
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},
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}
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tpls := allTemplates(ch1)
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if len(tpls) != 4 {
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t.Errorf("Expected 4 charts, got %d", len(tpls))
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}
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}
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func TestRenderDependency(t *testing.T) {
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e := New()
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deptpl := `{{define "myblock"}}World{{end}}`
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toptpl := `Hello {{template "myblock"}}`
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ch := &chart.Chart{
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Templates: []*chart.Template{
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{Name: "outer", Data: []byte(toptpl)},
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},
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Dependencies: []*chart.Chart{
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{Templates: []*chart.Template{
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{Name: "inner", Data: []byte(deptpl)},
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}},
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},
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}
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out, err := e.Render(ch, nil)
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if err != nil {
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t.Fatalf("failed to render chart: %s", err)
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}
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if len(out) != 2 {
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t.Errorf("Expected 2, got %d", len(out))
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}
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expect := "Hello World"
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if out["outer"] != expect {
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t.Errorf("Expected %q, got %q", expect, out["outer"])
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}
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}
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