[no-relnote] Move toolkit installer package

Signed-off-by: Evan Lezar <elezar@nvidia.com>

cmd/nvidia-ctk-installer/toolkit/executable_test.go

@@ -0,0 +1,162 @@
+/**
+# Copyright (c) 2021, NVIDIA CORPORATION.  All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/
+
+package toolkit
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	testlog "github.com/sirupsen/logrus/hooks/test"
+	"github.com/stretchr/testify/require"
+)
+
+func TestWrapper(t *testing.T) {
+	logger, _ := testlog.NewNullLogger()
+
+	const shebang = "#! /bin/sh"
+	const destFolder = "/dest/folder"
+	const dotfileName = "source.real"
+
+	testCases := []struct {
+		e             executable
+		expectedLines []string
+	}{
+		{
+			e: executable{},
+			expectedLines: []string{
+				shebang,
+				"PATH=/dest/folder:$PATH \\",
+				"source.real \\",
+				"\t\"$@\"",
+				"",
+			},
+		},
+		{
+			e: executable{
+				env: map[string]string{
+					"PATH": "some-path",
+				},
+			},
+			expectedLines: []string{
+				shebang,
+				"PATH=/dest/folder:some-path \\",
+				"source.real \\",
+				"\t\"$@\"",
+				"",
+			},
+		},
+		{
+			e: executable{
+				preLines: []string{
+					"preline1",
+					"preline2",
+				},
+			},
+			expectedLines: []string{
+				shebang,
+				"preline1",
+				"preline2",
+				"PATH=/dest/folder:$PATH \\",
+				"source.real \\",
+				"\t\"$@\"",
+				"",
+			},
+		},
+		{
+			e: executable{
+				argLines: []string{
+					"argline1",
+					"argline2",
+				},
+			},
+			expectedLines: []string{
+				shebang,
+				"PATH=/dest/folder:$PATH \\",
+				"source.real \\",
+				"\targline1 \\",
+				"\targline2 \\",
+				"\t\"$@\"",
+				"",
+			},
+		},
+	}
+
+	for i, tc := range testCases {
+		buf := &bytes.Buffer{}
+
+		tc.e.logger = logger
+
+		err := tc.e.writeWrapperTo(buf, destFolder, dotfileName)
+		require.NoError(t, err)
+
+		exepectedContents := strings.Join(tc.expectedLines, "\n")
+		require.Equal(t, exepectedContents, buf.String(), "%v: %v", i, tc)
+	}
+}
+
+func TestInstallExecutable(t *testing.T) {
+	logger, _ := testlog.NewNullLogger()
+
+	inputFolder, err := os.MkdirTemp("", "")
+	require.NoError(t, err)
+	defer os.RemoveAll(inputFolder)
+
+	// Create the source file
+	source := filepath.Join(inputFolder, "input")
+	sourceFile, err := os.Create(source)
+
+	base := filepath.Base(source)
+
+	require.NoError(t, err)
+	require.NoError(t, sourceFile.Close())
+
+	e := executable{
+		fileInstaller: fileInstaller{
+			logger: logger,
+		},
+		source: source,
+		target: executableTarget{
+			dotfileName: "input.real",
+			wrapperName: "input",
+		},
+	}
+
+	destFolder, err := os.MkdirTemp("", "output-*")
+	require.NoError(t, err)
+	defer os.RemoveAll(destFolder)
+
+	installed, err := e.install(destFolder)
+
+	require.NoError(t, err)
+	require.Equal(t, filepath.Join(destFolder, base), installed)
+
+	// Now check the post conditions:
+	sourceInfo, err := os.Stat(source)
+	require.NoError(t, err)
+
+	destInfo, err := os.Stat(filepath.Join(destFolder, base+".real"))
+	require.NoError(t, err)
+	require.Equal(t, sourceInfo.Size(), destInfo.Size())
+	require.Equal(t, sourceInfo.Mode(), destInfo.Mode())
+
+	wrapperInfo, err := os.Stat(installed)
+	require.NoError(t, err)
+	require.NotEqual(t, 0, wrapperInfo.Mode()&0111)
+}