decompress files

extractor.go

@@ -2,6 +2,7 @@ package pzip
 
 import (
 	"errors"
+	"io"
 	"os"
 	"path/filepath"
 	"strings"
@@ -34,10 +35,15 @@ func (e *Extractor) Extract(archivePath string) (err error) {
 				return derrors.Errorf("ERROR: could not create directory %s: %v", e.relativeToOutputDir(file.Name), err)
 			}
 		} else {
-			_, err = os.Create(e.relativeToOutputDir(file.Name))
+			outputFile, err := os.Create(e.relativeToOutputDir(file.Name))
 			if err != nil {
 				return derrors.Errorf("ERROR: could not create file %s: %v", e.relativeToOutputDir(file.Name), err)
 			}
+			defer outputFile.Close()
+
+			fileContent, _ := file.Open()
+			defer fileContent.Close()
+			io.Copy(outputFile, fileContent)
 		}
 	}
 

extractor_test.go

@@ -16,7 +16,7 @@ const (
 )
 
 func TestExtract(t *testing.T) {
-	t.Run("writes empty archive files to output directory", func(t *testing.T) {
+	t.Run("writes decompressed archive files to output directory", func(t *testing.T) {
 		err := os.Mkdir(outputDirPath, 0755)
 		assert.NoError(t, err)
 		defer os.RemoveAll(outputDirPath)
@@ -31,6 +31,10 @@ func TestExtract(t *testing.T) {
 		assertDirContains(t, files, "hello.txt")
 		assertDirContains(t, files, "hello.txt")
 
+		info, err := os.Lstat(filepath.Join(outputDirPath, "hello", "hello.txt"))
+		assert.NoError(t, err)
+		assert.NotZero(t, info.Size())
+
 		files, err = os.ReadDir(filepath.Join(outputDirPath, "hello", "nested"))
 		assert.NoError(t, err)
 		assert.Equal(t, 1, len(files))