mirror of
https://github.com/SAP/jenkins-library.git
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133 lines
3.5 KiB
Go
133 lines
3.5 KiB
Go
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package piperutils
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import (
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestCopyData(t *testing.T) {
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runInTempDir(t, "copying file succeeds small", "dir1", func(t *testing.T) {
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srcName := "testFileSrc"
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src, err := os.OpenFile(srcName, os.O_CREATE|os.O_RDWR, 0700)
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if err != nil {
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t.Fatal("Failed to create src file")
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}
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data := make([]byte, 3)
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data[0] = byte(32)
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data[1] = byte(42)
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data[2] = byte(52)
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_, err = src.Write(data)
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if err != nil {
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t.Fatalf("Failed to write data to src file: %v", err)
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}
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src.Close()
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src, err = os.OpenFile(srcName, os.O_CREATE|os.O_RDWR, 0700)
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if err != nil {
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t.Fatal("Failed to reopen src file")
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}
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dstName := "testFileTgt"
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dst, err := os.OpenFile(dstName, os.O_CREATE|os.O_RDWR, 0700)
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if err != nil {
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t.Fatal("Failed to create dst file")
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}
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result, err := CopyData(dst, src)
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src.Close()
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dst.Close()
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dst, err = os.OpenFile(dstName, os.O_CREATE|os.O_RDWR, 0700)
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dataRead := make([]byte, 3)
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dst.Read(dataRead)
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dst.Close()
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assert.NoError(t, err, "Didn't expect error but got one")
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assert.Equal(t, int64(3), result, "Expected true but got false")
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assert.Equal(t, data, dataRead, "data written %v is different to data read %v")
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})
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runInTempDir(t, "copying file succeeds larger", "dir2", func(t *testing.T) {
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srcName := "testFile"
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src, err := os.OpenFile(srcName, os.O_CREATE|os.O_RDWR, 0700)
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if err != nil {
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t.Fatal("Failed to create src file")
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}
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data := make([]byte, 300)
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for i := 0; i < 300; i++ {
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data[i] = byte(i)
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}
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_, err = src.Write(data)
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src.Close()
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src, err = os.OpenFile(srcName, os.O_CREATE|os.O_RDWR, 0700)
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dstName := "testFile2"
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dst, err := os.OpenFile(dstName, os.O_CREATE|os.O_RDWR, 0700)
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if err != nil {
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t.Fatal("Failed to create dst file")
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}
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result, err := CopyData(dst, src)
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src.Close()
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dst.Close()
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assert.NoError(t, err, "Didn't expect error but got one")
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assert.Equal(t, int64(300), result, "Expected true but got false")
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})
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runInTempDir(t, "copying file fails on read", "dir3", func(t *testing.T) {
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srcName := "testFileExcl"
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src, err := os.OpenFile(srcName, os.O_CREATE|os.O_RDWR, 0700)
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if err != nil {
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t.Fatalf("Failed to create src file %v", err)
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}
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data := make([]byte, 300)
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for i := 0; i < 300; i++ {
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data[i] = byte(i)
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}
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_, err = src.Write(data)
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src.Close()
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src, err = os.OpenFile(srcName, os.O_WRONLY, 0700)
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dstName := "testFile2"
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dst, err := os.OpenFile(dstName, os.O_CREATE|os.O_RDWR, 0700)
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if err != nil {
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t.Fatal("Failed to create dst file")
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}
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result, err := CopyData(dst, src)
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src.Close()
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dst.Close()
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assert.Error(t, err, "Expected error but got none")
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assert.Equal(t, int64(0), result, "Expected true but got false")
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})
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runInTempDir(t, "copying file fails on write", "dir4", func(t *testing.T) {
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srcName := "testFileExcl"
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src, err := os.OpenFile(srcName, os.O_CREATE|os.O_RDWR, 0700)
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if err != nil {
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t.Fatalf("Failed to create src file %v", err)
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}
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data := make([]byte, 300)
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for i := 0; i < 300; i++ {
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data[i] = byte(i)
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}
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_, err = src.Write(data)
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src.Close()
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src, err = os.OpenFile(srcName, os.O_CREATE|os.O_RDWR, 0700)
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dstName := "testFileExclus"
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dst, err := os.OpenFile(dstName, os.O_CREATE|os.O_RDWR, 0700)
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if err != nil {
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t.Fatalf("Failed to create dst file: %v", err)
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}
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dst.Close()
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dst, err = os.OpenFile(dstName, os.O_RDONLY, 0700)
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result, err := CopyData(dst, src)
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src.Close()
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dst.Close()
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assert.Error(t, err, "Expected error but got none")
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assert.Equal(t, int64(0), result, "Expected true but got false")
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})
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}
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