353 lines
7.8 KiB
Go
353 lines
7.8 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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"git.defalsify.org/festive/resource"
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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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resource.MenuResource
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state *state.State
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}
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func getOne(ctx context.Context) (string, error) {
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return "one", nil
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}
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func getTwo(ctx context.Context) (string, error) {
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return "two", nil
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}
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func getDyn(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) GetTemplate(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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case "_catch":
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return "aiee", nil
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}
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panic(fmt.Sprintf("unknown symbol %s", sym))
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return "", fmt.Errorf("unknown symbol %s", sym)
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}
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func (r *TestResource) 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 (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.getInput, 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(r *TestResource) getInput(ctx context.Context) (string, error) {
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v, err := r.state.GetInput()
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return string(v), err
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}
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func(r *TestResource) GetCode(sym string) ([]byte, error) {
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return []byte{}, nil
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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 := NewLine(nil, MOVE, []string{"foo"}, nil, nil)
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//b := []byte{0x00, MOVE, 0x03}
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//b = append(b, []byte("foo")...)
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_, err := Run(b, &st, &rs, context.TODO())
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if err != nil {
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t.Errorf("run error: %v", err)
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}
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b = []byte{0x01, 0x02}
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_, 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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}
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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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var err error
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b := NewLine(nil, LOAD, []string{"one"}, []byte{0x0a}, nil)
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b, 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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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.RenderTemplate("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.RenderTemplate("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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b = NewLine(nil, LOAD, []string{"two"}, []byte{0x0a}, nil)
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b, 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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b = NewLine(nil, MAP, []string{"one"}, nil, nil)
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_, 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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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.RenderTemplate("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 := NewLine(nil, LOAD, []string{"one"}, []byte{0x00}, nil)
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b = NewLine(b, LOAD, []string{"two"}, []byte{42}, nil)
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b, 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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if len(b) > 0 {
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t.Errorf("expected empty code")
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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 := NewLine(nil, LOAD, []string{"dyn"}, nil, []uint8{0})
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b = NewLine(b, MAP, []string{"dyn"}, nil, nil)
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_, 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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_, 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 TestHalt(t *testing.T) {
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st := state.NewState(5)
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rs := TestResource{}
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b := NewLine([]byte{}, LOAD, []string{"one"}, nil, []uint8{0})
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b = NewLine(b, HALT, nil, nil, nil)
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b = NewLine(b, MOVE, []string{"foo"}, nil, nil)
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var err error
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b, 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 := st.Where()
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if r == "foo" {
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t.Fatalf("Expected where-symbol not to be 'foo'")
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}
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if !bytes.Equal(b[:2], []byte{0x00, MOVE}) {
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t.Fatalf("Expected MOVE instruction, found '%v'", b)
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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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rs := TestResource{}
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input := []byte("bar")
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_ = st.SetInput(input)
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bi := NewLine([]byte{}, INCMP, []string{"bar", "baz"}, nil, nil)
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b, err := Run(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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r := st.Where()
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if r != "baz" {
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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 TestRunInputHandler(t *testing.T) {
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st := state.NewState(5)
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rs := TestResource{}
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_ = st.SetInput([]byte("baz"))
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bi := NewLine([]byte{}, INCMP, []string{"bar", "aiee"}, nil, nil)
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bi = NewLine(bi, INCMP, []string{"baz", "foo"}, nil, nil)
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bi = NewLine(bi, LOAD, []string{"one"}, []byte{0x00}, nil)
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bi = NewLine(bi, LOAD, []string{"two"}, []byte{0x03}, nil)
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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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_, err = Run(bi, &st, &rs, context.TODO())
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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-sym 'foo', 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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rs := TestResource{}
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_ = st.SetInput([]byte("foo"))
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var err error
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b := NewLine([]byte{}, INCMP, []string{"bar", "baz"}, nil, nil)
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b = NewLine(b, CATCH, []string{"_catch"}, []byte{state.FLAG_INMATCH}, []uint8{1})
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b, 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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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 TestRunMenu(t *testing.T) {
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st := state.NewState(5)
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rs := TestResource{}
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var err error
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b := NewLine(nil, MOVE, []string{"foo"}, nil, nil)
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b = NewLine(b, MOUT, []string{"0", "one"}, nil, nil)
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b = NewLine(b, MOUT, []string{"1", "two"}, nil, nil)
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b, 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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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, err := rs.RenderMenu()
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if err != nil {
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t.Fatal(err)
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}
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expect := "0:one\n1:two"
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if r != expect {
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t.Fatalf("expected:\n\t%s\ngot:\n\t%s\n", expect, r)
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}
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}
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func TestRunMenuBrowse(t *testing.T) {
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log.Printf("This test is incomplete, it must check the output of a menu browser once one is implemented. For now it only checks whether it can execute the runner endpoints for the instrucitons.")
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st := state.NewState(5)
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rs := TestResource{}
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var err error
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b := NewLine(nil, MOVE, []string{"foo"}, nil, nil)
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b = NewLine(b, MNEXT, []string{"11", "two"}, nil, nil)
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b = NewLine(b, MPREV, []string{"22", "two"}, nil, nil)
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b = NewLine(b, MOUT, []string{"0", "one"}, nil, nil)
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b = NewLine(b, MOUT, []string{"1", "two"}, nil, nil)
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b, 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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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, err := rs.RenderMenu()
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if err != nil {
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t.Fatal(err)
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}
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expect := "0:one\n1:two"
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if r != expect {
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t.Fatalf("expected:\n\t%s\ngot:\n\t%s\n", expect, r)
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}
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}
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