50 lines
1.0 KiB
Go
50 lines
1.0 KiB
Go
package generator
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import (
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"bytes"
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"testing"
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"github.com/a-h/templ/parser/v2"
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"github.com/google/go-cmp/cmp"
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)
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func TestGeneratorSourceMap(t *testing.T) {
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w := new(bytes.Buffer)
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g := generator{
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w: NewRangeWriter(w),
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sourceMap: parser.NewSourceMap(),
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}
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invalidExp := parser.TemplateFileGoExpression{
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Expression: parser.Expression{
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Value: "line1\nline2",
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},
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}
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if err := g.writeGoExpression(invalidExp); err != nil {
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t.Fatalf("failed to write Go expression: %v", err)
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}
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expected := parser.NewPosition(0, 0, 0)
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actual, ok := g.sourceMap.TargetPositionFromSource(0, 0)
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if !ok {
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t.Errorf("failed to get matching target")
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}
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if diff := cmp.Diff(expected, actual); diff != "" {
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t.Errorf("unexpected target:\n%v", diff)
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}
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withCommentExp := parser.TemplateFileGoExpression{
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Expression: parser.Expression{
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Value: `package main
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// A comment.
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templ h1() {
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<h1></h1>
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}
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`,
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},
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}
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if err := g.writeGoExpression(withCommentExp); err != nil {
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t.Fatalf("failed to write Go expression: %v", err)
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}
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}
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