[#86285] devices: linux-client: Add script tests

Signed-off-by: Anna Roszkiewicz <aroszkiewicz@antmicro.com>

Author: anroszkiewicz

devices/linux-client/app/install_test.go

@@ -0,0 +1,67 @@
+package app
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/sirupsen/logrus"
+	"github.com/sirupsen/logrus/hooks/test"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCommitScriptSuccess(t *testing.T) {
+	filePath := filepath.Join(os.TempDir(), "valid-script.sh")
+	file, _ := os.Create(filePath)
+
+	content := []byte("#!/bin/bash \n echo valid \n exit 0")
+	os.WriteFile(filePath, content, 0755)
+	os.Chmod(filePath, 0755)
+	file.Close()
+
+	hook := test.NewGlobal()
+
+	err := checkBeforeCommit(filePath)
+
+	assert.NoError(t, err)
+	assert.Equal(t, 2, len(hook.Entries))
+	assert.Equal(t, "System correctness successfully verified", hook.Entries[0].Message)
+	assert.Equal(t, "valid\n", hook.Entries[1].Message)
+	assert.Equal(t, logrus.InfoLevel, hook.Entries[0].Level)
+	assert.Equal(t, logrus.InfoLevel, hook.Entries[1].Level)
+
+	os.Remove(filePath)
+}
+
+func TestCommitScriptFailure(t *testing.T) {
+	filePath := filepath.Join(os.TempDir(), "invalid-script.sh")
+	file, _ := os.Create(filePath)
+
+	content := []byte("#!/bin/bash \n echo invalid \n >&2 echo error \n exit 1")
+	os.WriteFile(filePath, content, 0755)
+	os.Chmod(filePath, 0755)
+	file.Close()
+
+	hook := test.NewGlobal()
+
+	err := checkBeforeCommit(filePath)
+
+	assert.Error(t, err)
+	assert.Equal(t, 2, len(hook.Entries))
+	assert.Equal(t, "System correctness verification failed", hook.Entries[0].Message)
+	assert.Equal(t, "invalid\nerror\n", hook.Entries[1].Message)
+	assert.Equal(t, logrus.ErrorLevel, hook.Entries[0].Level)
+	assert.Equal(t, logrus.ErrorLevel, hook.Entries[1].Level)
+
+	os.Remove(filePath)
+}
+
+func TestCommitScriptNotSet(t *testing.T) {
+	err := checkBeforeCommit("")
+	assert.NoError(t, err)
+}
+
+func TestCommitScriptNotFound(t *testing.T) {
+	err := checkBeforeCommit("/this/path/is/invalid")
+	assert.ErrorIs(t, err, os.ErrNotExist)
+}