73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
package generator_test
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import (
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"bytes"
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"strings"
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"testing"
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"go-common/app/tool/gengo/generator"
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"go-common/app/tool/gengo/namer"
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"go-common/app/tool/gengo/parser"
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)
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func construct(t *testing.T, files map[string]string) *generator.Context {
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b := parser.New()
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for name, src := range files {
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if err := b.AddFileForTest("/tmp/"+name, name, []byte(src)); err != nil {
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t.Fatal(err)
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}
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}
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c, err := generator.NewContext(b, namer.NameSystems{
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"public": namer.NewPublicNamer(0),
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"private": namer.NewPrivateNamer(0),
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}, "public")
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if err != nil {
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t.Fatal(err)
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}
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return c
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}
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func TestSnippetWriter(t *testing.T) {
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var structTest = map[string]string{
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"base/foo/proto/foo.go": `
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package foo
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// Blah is a test.
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// A test, I tell you.
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type Blah struct {
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// A is the first field.
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A int64 ` + "`" + `json:"a"` + "`" + `
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// B is the second field.
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// Multiline comments work.
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B string ` + "`" + `json:"b"` + "`" + `
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}
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`,
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}
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c := construct(t, structTest)
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b := &bytes.Buffer{}
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err := generator.NewSnippetWriter(b, c, "$", "$").
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Do("$.|public$$.|private$", c.Order[0]).
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Error()
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if err != nil {
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t.Errorf("Unexpected error %v", err)
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}
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if e, a := "Blahblah", b.String(); e != a {
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t.Errorf("Expected %q, got %q", e, a)
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}
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err = generator.NewSnippetWriter(b, c, "$", "$").
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Do("$.|public", c.Order[0]).
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Error()
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if err == nil {
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t.Errorf("expected error on invalid template")
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} else {
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// Dear reader, I apologize for making the worst change
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// detection test in the history of ever.
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if e, a := "snippet_writer_test.go", err.Error(); !strings.Contains(a, e) {
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t.Errorf("Expected %q but didn't find it in %q", e, a)
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}
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}
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}
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