123 lines
2.2 KiB
Go
123 lines
2.2 KiB
Go
package engine
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import (
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"bytes"
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"context"
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"fmt"
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"io/ioutil"
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"path"
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"testing"
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"git.defalsify.org/festive/resource"
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"git.defalsify.org/festive/state"
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"git.defalsify.org/festive/testdata"
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)
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var (
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dataGenerated bool = false
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dataDir string = testdata.DataDir
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)
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type FsWrapper struct {
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*resource.FsResource
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st *state.State
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}
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func NewFsWrapper(path string, st *state.State) FsWrapper {
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rs := resource.NewFsResource(path)
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return FsWrapper {
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&rs,
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st,
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}
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}
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func (r FsWrapper) RenderTemplate(sym string, values map[string]string) (string, error) {
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return resource.DefaultRenderTemplate(r, sym, values)
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}
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func(fs FsWrapper) one(ctx context.Context) (string, error) {
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return "one", nil
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}
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func(fs FsWrapper) inky(ctx context.Context) (string, error) {
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return "tinkywinky", nil
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}
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func(fs FsWrapper) FuncFor(sym string) (resource.EntryFunc, error) {
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switch sym {
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case "one":
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return fs.one, nil
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case "inky":
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return fs.inky, nil
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}
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return nil, fmt.Errorf("function for %v not found", sym)
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}
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func(fs FsWrapper) GetCode(sym string) ([]byte, error) {
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sym += ".bin"
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fp := path.Join(fs.Path, sym)
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r, err := ioutil.ReadFile(fp)
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return r, err
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}
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func generateTestData(t *testing.T) {
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if dataGenerated {
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return
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}
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var err error
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dataDir, err = testdata.Generate()
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestEngineInit(t *testing.T) {
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st := state.NewState(17).WithCacheSize(1024)
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generateTestData(t)
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ctx := context.TODO()
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rs := NewFsWrapper(dataDir, &st)
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en := NewEngine(&st, &rs)
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err := en.Init("root", ctx)
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if err != nil {
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t.Fatal(err)
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}
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w := bytes.NewBuffer(nil)
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err = en.WriteResult(w)
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if err != nil {
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t.Fatal(err)
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}
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b := w.Bytes()
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expect_str := `hello world
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1:do the foo
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2:go to the bar`
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if !bytes.Equal(b, []byte(expect_str)) {
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t.Fatalf("expected:\n\t%s\ngot:\n\t%s\n", expect_str, b)
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}
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input := []byte("1")
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_, err = en.Exec(input, ctx)
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if err != nil {
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t.Fatal(err)
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}
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r := st.Where()
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if r != "foo" {
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t.Fatalf("expected where-string 'foo', got %s", r)
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}
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w = bytes.NewBuffer(nil)
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err = en.WriteResult(w)
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if err != nil {
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t.Fatal(err)
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}
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b = w.Bytes()
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expect := `this is in foo
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it has more lines
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0:to foo
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1:go bar`
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if !bytes.Equal(b, []byte(expect)) {
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t.Fatalf("expected\n\t%s\ngot:\n\t%s\n", expect, b)
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}
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}
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