Add test for result.WriteReport()

Author: per1234

result/result_test.go

@@ -0,0 +1,53 @@
+// This file is part of arduino-check.
+//
+// Copyright 2020 ARDUINO SA (http://www.arduino.cc/)
+//
+// This software is released under the GNU General Public License version 3,
+// which covers the main part of arduino-check.
+// The terms of this license can be found at:
+// https://www.gnu.org/licenses/gpl-3.0.en.html
+//
+// You can be released from the requirements of the above licenses by purchasing
+// a commercial license. Buying such a license is mandatory if you want to
+// modify or otherwise use the software for commercial activities involving the
+// Arduino software without disclosing the source code of your own applications.
+// To purchase a commercial license, send an email to license@arduino.cc.
+
+package result
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/arduino/arduino-check/configuration"
+	"github.com/arduino/arduino-check/util/test"
+	"github.com/arduino/go-paths-helper"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestWriteReport(t *testing.T) {
+	flags := test.ConfigurationFlags()
+
+	projectPaths := []string{"/foo"}
+
+	reportFolderPathString, err := ioutil.TempDir("", "arduino-check-result-TestWriteReport")
+	require.Nil(t, err)
+	defer os.RemoveAll(reportFolderPathString) // clean up
+	reportFolderPath := paths.New(reportFolderPathString)
+
+	reportFilePath := reportFolderPath.Join("report-file.json")
+	flags.Set("report-file", reportFilePath.String())
+	assert.Nil(t, configuration.Initialize(flags, projectPaths))
+	assert.NoError(t, Results.WriteReport())
+
+	reportFile, err := reportFilePath.Open()
+	require.Nil(t, err)
+	reportFileInfo, err := reportFile.Stat()
+	require.Nil(t, err)
+	reportFileBytes := make([]byte, reportFileInfo.Size())
+	_, err = reportFile.Read(reportFileBytes)
+	require.Nil(t, err)
+	assert.True(t, assert.ObjectsAreEqualValues(reportFileBytes, Results.jsonReportRaw()), "Report file contents are correct")
+}