342 lines
7.2 KiB
Go
342 lines
7.2 KiB
Go
package vm
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import (
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"bytes"
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"context"
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"fmt"
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"log"
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"testing"
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"text/template"
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"git.defalsify.org/festive/resource"
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"git.defalsify.org/festive/router"
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"git.defalsify.org/festive/state"
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)
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var dynVal = "three"
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type TestResource struct {
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state *state.State
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}
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func getOne(input []byte, ctx context.Context) (string, error) {
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return "one", nil
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}
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func getTwo(input []byte, ctx context.Context) (string, error) {
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return "two", nil
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}
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func getDyn(input []byte, ctx context.Context) (string, error) {
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return dynVal, nil
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}
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type TestStatefulResolver struct {
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state *state.State
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}
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func (r *TestResource) getEachArg(input []byte, ctx context.Context) (string, error) {
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return r.state.PopArg()
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}
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func (r *TestResource) Get(sym string) (string, error) {
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switch sym {
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case "foo":
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return "inky pinky blinky clyde", nil
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case "bar":
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return "inky pinky {{.one}} blinky {{.two}} clyde", nil
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case "baz":
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return "inky pinky {{.baz}} blinky clyde", nil
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case "three":
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return "{{.one}} inky pinky {{.three}} blinky clyde {{.two}}", nil
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}
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return "", fmt.Errorf("unknown symbol %s", sym)
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}
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func (r *TestResource) Render(sym string, values map[string]string) (string, error) {
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v, err := r.Get(sym)
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if err != nil {
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return "", err
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}
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tp, err := template.New("tester").Option("missingkey=error").Parse(v)
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if err != nil {
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return "", err
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}
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b := bytes.NewBuffer([]byte{})
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err = tp.Execute(b, values)
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if err != nil {
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return "", err
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}
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return b.String(), err
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}
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func (r *TestResource) FuncFor(sym string) (resource.EntryFunc, error) {
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switch sym {
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case "one":
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return getOne, nil
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case "two":
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return getTwo, nil
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case "dyn":
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return getDyn, nil
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case "arg":
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return r.getEachArg, nil
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}
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return nil, fmt.Errorf("invalid function: '%s'", sym)
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}
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func TestRun(t *testing.T) {
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st := state.NewState(5)
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rs := TestResource{}
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b := []byte{0x00, 0x01, 0x03}
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b = append(b, []byte("foo")...)
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r, _, err := Run(b, st, &rs, context.TODO())
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if err != nil {
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t.Errorf("error on valid opcode: %v", err)
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}
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b = []byte{0x01, 0x02}
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r, _, err = Run(b, st, &rs, context.TODO())
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if err == nil {
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t.Errorf("no error on invalid opcode")
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}
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_ = r
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}
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func TestRunLoadRender(t *testing.T) {
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st := state.NewState(5)
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st.Down("barbarbar")
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rs := TestResource{}
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sym := "one"
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ins := append([]byte{uint8(len(sym))}, []byte(sym)...)
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ins = append(ins, 0x0a)
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var err error
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st, _, err = RunLoad(ins, st, &rs, context.TODO())
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if err != nil {
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t.Error(err)
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}
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m, err := st.Get()
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if err != nil {
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t.Error(err)
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}
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r, err := rs.Render("foo", m)
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if err != nil {
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t.Error(err)
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}
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expect := "inky pinky blinky clyde"
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if r != expect {
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t.Errorf("Expected %v, got %v", []byte(expect), []byte(r))
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}
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r, err = rs.Render("bar", m)
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if err == nil {
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t.Errorf("expected error for render of bar: %v" ,err)
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}
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sym = "two"
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ins = append([]byte{uint8(len(sym))}, []byte(sym)...)
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ins = append(ins, 0)
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st, _, err = RunLoad(ins, st, &rs, context.TODO())
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if err != nil {
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t.Error(err)
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}
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m, err = st.Get()
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if err != nil {
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t.Error(err)
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}
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r, err = rs.Render("bar", m)
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if err != nil {
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t.Error(err)
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}
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expect = "inky pinky one blinky two clyde"
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if r != expect {
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t.Errorf("Expected %v, got %v", expect, r)
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}
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}
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func TestRunMultiple(t *testing.T) {
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st := state.NewState(5)
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rs := TestResource{}
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b := []byte{}
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b = NewLine(b, LOAD, []string{"one"}, nil, []uint8{0})
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b = NewLine(b, LOAD, []string{"two"}, nil, []uint8{42})
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st, _, err := Run(b, st, &rs, context.TODO())
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if err != nil {
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t.Error(err)
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}
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}
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func TestRunReload(t *testing.T) {
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st := state.NewState(5)
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rs := TestResource{}
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b := []byte{}
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b = NewLine(b, LOAD, []string{"dyn"}, nil, []uint8{0})
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b = NewLine(b, MAP, []string{"dyn"}, nil, nil)
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st, _, err := Run(b, st, &rs, context.TODO())
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if err != nil {
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t.Error(err)
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}
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r, err := st.Val("dyn")
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if err != nil {
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t.Error(err)
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}
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if r != "three" {
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t.Errorf("expected result 'three', got %v", r)
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}
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dynVal = "baz"
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b = []byte{}
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b = NewLine(b, RELOAD, []string{"dyn"}, nil, nil)
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st, _, err = Run(b, st, &rs, context.TODO())
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if err != nil {
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t.Error(err)
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}
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r, err = st.Val("dyn")
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if err != nil {
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t.Error(err)
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}
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log.Printf("dun now %s", r)
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if r != "baz" {
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t.Errorf("expected result 'baz', got %v", r)
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}
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}
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func TestRunArg(t *testing.T) {
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st := state.NewState(5)
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rt := router.NewRouter()
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rt.Add("foo", "bar")
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rt.Add("baz", "xyzzy")
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b := []byte{0x03}
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b = append(b, []byte("baz")...)
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b = append(b, rt.ToBytes()...)
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var err error
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st, b, err = Apply(b, []byte{}, st, nil, context.TODO())
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if err != nil {
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t.Error(err)
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}
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l := len(b)
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if l != 0 {
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t.Errorf("expected empty remainder, got length %v: %v", l, b)
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}
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r := st.Where()
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if r != "xyzzy" {
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t.Errorf("expected where-state baz, got %v", r)
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}
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}
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func TestRunArgInvalid(t *testing.T) {
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st := state.NewState(5)
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rt := router.NewRouter()
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rt.Add("foo", "bar")
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rt.Add("baz", "xyzzy")
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b := []byte{0x03}
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b = append(b, []byte("bar")...)
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b = append(b, rt.ToBytes()...)
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var err error
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st, b, err = Apply(b, []byte{}, st, nil, context.TODO())
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if err != nil {
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t.Error(err)
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}
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l := len(b)
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if l != 0 {
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t.Errorf("expected empty remainder, got length %v: %v", l, b)
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}
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r := st.Where()
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if r != "_catch" {
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t.Errorf("expected where-state _catch, got %v", r)
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}
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}
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func TestRunArgInstructions(t *testing.T) {
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st := state.NewState(5)
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rs := TestResource{}
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rt := router.NewRouter()
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rt.Add("foo", "bar")
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b := []byte{0x03}
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b = append(b, []byte("foo")...)
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b = append(b, rt.ToBytes()...)
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bi := NewLine([]byte{}, LOAD, []string{"one"}, nil, []uint8{0})
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bi = NewLine(bi, LOAD, []string{"two"}, nil, []uint8{3})
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bi = NewLine(bi, MAP, []string{"one"}, nil, nil)
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bi = NewLine(bi, MAP, []string{"two"}, nil, nil)
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var err error
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st, b, err = Apply(b, bi, st, &rs, context.TODO())
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if err != nil {
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t.Error(err)
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}
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l := len(b)
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if l != 0 {
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t.Errorf("expected empty remainder, got length %v: %v", l, b)
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}
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loc := st.Where()
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if loc != "bar" {
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t.Errorf("expected where-state _catch, got %v", loc)
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}
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m, err := st.Get()
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if err != nil {
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t.Error(err)
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}
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r, err := rs.Render(loc, m)
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if err != nil {
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t.Error(err)
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}
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_ = r
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}
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func TestRunMoveAndBack(t *testing.T) {
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st := state.NewState(5)
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rs := TestResource{}
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rt := router.NewRouter()
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rt.Add("foo", "bar")
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b := []byte{0x03}
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b = append(b, []byte("foo")...)
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b = append(b, rt.ToBytes()...)
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bi := NewLine([]byte{}, LOAD, []string{"one"}, nil, []uint8{0})
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var err error
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st, b, err = Apply(b, bi, st, &rs, context.TODO())
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if err != nil {
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t.Error(err)
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}
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l := len(b)
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if l != 0 {
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t.Errorf("expected empty remainder, got length %v: %v", l, b)
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}
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rt = router.NewRouter()
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rt.Add("foo", "baz")
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b = []byte{0x03}
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b = append(b, []byte("foo")...)
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b = append(b, rt.ToBytes()...)
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bi = NewLine([]byte{}, LOAD, []string{"two"}, nil, []uint8{0})
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st, b, err = Apply(b, bi, st, &rs, context.TODO())
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if err != nil {
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t.Error(err)
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}
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l = len(b)
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if l != 0 {
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t.Errorf("expected empty remainder, got length %v: %v", l, b)
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}
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rt = router.NewRouter()
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rt.Add("foo", "_")
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b = []byte{0x03}
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b = append(b, []byte("foo")...)
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b = append(b, rt.ToBytes()...)
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st, b, err = Apply(b, []byte{}, st, &rs, context.TODO())
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if err != nil {
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t.Error(err)
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}
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l = len(b)
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if l != 0 {
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t.Errorf("expected empty remainder, got length %v: %v", l, b)
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}
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loc := st.Where()
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if loc != "bar" {
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t.Errorf("expected where-string 'bar', got %v", loc)
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}
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}
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