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83 lines
1.9 KiB
83 lines
1.9 KiB
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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)
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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("irrelevant", 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("intentionally_duplicated", 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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