log-parser: move the kata-log-parser from the tests repo

to the kata-containers repo under the src/tools/log-parser folder
and vendor the modules

Fixes: #4100
Signed-off-by: Snir Sheriber <ssheribe@redhat.com>

src/tools/log-parser/hexbytes_test.go

@@ -0,0 +1,83 @@
+//
+// Copyright (c) 2018 Intel Corporation
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package main
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewHexByteReader(t *testing.T) {
+	assert := assert.New(t)
+
+	file := "/tmp/foo.txt"
+	r := NewHexByteReader(file)
+	assert.Equal(r.file, file)
+	assert.Nil(r.f)
+}
+
+func TestNewHexByteReaderStdin(t *testing.T) {
+	assert := assert.New(t)
+
+	file := "-"
+	r := NewHexByteReader(file)
+	assert.Equal(r.file, file)
+	assert.Equal(r.f, os.Stdin)
+}
+
+func TestHexByteReaderRead(t *testing.T) {
+	assert := assert.New(t)
+
+	dir, err := ioutil.TempDir("", "")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	defer func() {
+		err = os.RemoveAll(dir)
+		assert.NoError(err)
+	}()
+
+	type testData struct {
+		contents    string
+		result      string
+		expectError bool
+	}
+
+	data := []testData{
+		{"", "", true},
+
+		// Valid
+		{" ", " ", false},
+		{"hello world", "hello world", false},
+		{`\x00`, `\\x00`, false},
+		{`\x00\x01`, `\\x00\\x01`, false},
+	}
+
+	for i, d := range data {
+		file := filepath.Join(dir, "file.log")
+		err := createFile(file, d.contents)
+		assert.NoError(err)
+
+		reader := NewHexByteReader(file)
+		bytes, err := ioutil.ReadAll(reader)
+
+		if d.expectError {
+			assert.Errorf(err, "test[%d]: %+v", i, d)
+		} else {
+			assert.NoErrorf(err, "test[%d]: %+v", i, d)
+			assert.Equal([]byte(d.result), bytes)
+		}
+
+		err = os.Remove(file)
+		assert.NoError(err)
+	}
+}