598740b638
This now allows for round-tripping some input from bytes to tokens and then back to bytes again. With no other changes, we expect this to produce an identical result.
59 lines
999 B
Go
59 lines
999 B
Go
package zclwrite
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import (
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"bytes"
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"testing"
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"github.com/zclconf/go-zcl/zcl"
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)
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func TestRoundTrip(t *testing.T) {
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tests := []string{
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``,
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`foo = 1`,
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`
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foobar = 1
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baz = 1
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`,
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`
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# this file is awesome
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# tossed salads and scrambled eggs
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block "thing" {
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foobar = 1 # quite stylish
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baz = 1
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}
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# and they all lived happily ever after
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`,
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}
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for _, test := range tests {
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t.Run(test, func(t *testing.T) {
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src := []byte(test)
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file, diags := parse(src, "", zcl.Pos{Line: 1, Column: 1})
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if len(diags) != 0 {
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for _, diag := range diags {
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t.Logf(" - %s", diag.Error())
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}
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t.Fatalf("unexpected diagnostics")
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}
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wr := &bytes.Buffer{}
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n, err := file.WriteTo(wr)
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if n != len(test) {
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t.Errorf("wrong number of bytes %d; want %d", n, len(test))
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}
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if err != nil {
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t.Fatalf("error from WriteTo")
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}
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result := wr.Bytes()
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if !bytes.Equal(result, src) {
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t.Errorf("wrong result\nresult:\n%s\ninput\n:%s", result, src)
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}
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})
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}
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}
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