test(core): add status diff and version suites

internal/homesick/core/version_test.go

@@ -0,0 +1,46 @@
+package core_test
+
+import (
+	"bytes"
+	"io"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"git.hrafn.xyz/aether/gosick/internal/homesick/core"
+	"github.com/stretchr/testify/require"
+	"github.com/stretchr/testify/suite"
+)
+
+type VersionSuite struct {
+	suite.Suite
+	tmpDir   string
+	homeDir  string
+	reposDir string
+	stdout   *bytes.Buffer
+	app      *core.App
+}
+
+func TestVersionSuite(t *testing.T) {
+	suite.Run(t, new(VersionSuite))
+}
+
+func (s *VersionSuite) SetupTest() {
+	s.tmpDir = s.T().TempDir()
+	s.homeDir = filepath.Join(s.tmpDir, "home")
+	s.reposDir = filepath.Join(s.homeDir, ".homesick", "repos")
+	require.NoError(s.T(), os.MkdirAll(s.reposDir, 0o755))
+
+	s.stdout = &bytes.Buffer{}
+	s.app = &core.App{
+		HomeDir:  s.homeDir,
+		ReposDir: s.reposDir,
+		Stdout:   s.stdout,
+		Stderr:   io.Discard,
+	}
+}
+
+func (s *VersionSuite) TestVersion_WritesVersionToAppStdout() {
+	require.NoError(s.T(), s.app.Version("1.2.3"))
+	require.Equal(s.T(), "1.2.3\n", s.stdout.String())
+}