81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
package parser
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import (
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"archive/zip"
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"bytes"
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"context"
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"encoding/json"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestGenerate(t *testing.T) {
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filePath := "testdata/dump.lsif.zip"
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tmpDir := filePath + ".tmp"
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defer os.RemoveAll(tmpDir)
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createFiles(t, filePath, tmpDir)
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verifyCorrectnessOf(t, tmpDir, "lsif/main.go.json")
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verifyCorrectnessOf(t, tmpDir, "lsif/morestrings/reverse.go.json")
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}
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func verifyCorrectnessOf(t *testing.T, tmpDir, fileName string) {
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file, err := ioutil.ReadFile(filepath.Join(tmpDir, fileName))
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require.NoError(t, err)
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var buf bytes.Buffer
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require.NoError(t, json.Indent(&buf, file, "", " "))
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expected, err := ioutil.ReadFile(filepath.Join("testdata/expected/", fileName))
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require.NoError(t, err)
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require.Equal(t, string(expected), buf.String())
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}
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func createFiles(t *testing.T, filePath, tmpDir string) {
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t.Helper()
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file, err := os.Open(filePath)
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require.NoError(t, err)
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parser, err := NewParser(context.Background(), file, Config{})
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require.NoError(t, err)
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zipFileName := tmpDir + ".zip"
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w, err := os.Create(zipFileName)
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require.NoError(t, err)
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defer os.RemoveAll(zipFileName)
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_, err = io.Copy(w, parser)
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require.NoError(t, err)
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require.NoError(t, parser.Close())
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extractZipFiles(t, tmpDir, zipFileName)
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}
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func extractZipFiles(t *testing.T, tmpDir, zipFileName string) {
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zipReader, err := zip.OpenReader(zipFileName)
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require.NoError(t, err)
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for _, file := range zipReader.Reader.File {
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zippedFile, err := file.Open()
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require.NoError(t, err)
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defer zippedFile.Close()
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fileDir, fileName := filepath.Split(file.Name)
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require.NoError(t, os.MkdirAll(filepath.Join(tmpDir, fileDir), os.ModePerm))
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outputFile, err := os.Create(filepath.Join(tmpDir, fileDir, fileName))
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require.NoError(t, err)
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defer outputFile.Close()
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_, err = io.Copy(outputFile, zippedFile)
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require.NoError(t, err)
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}
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}
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