test: Introduce basic testing for the version module

version/version_test.go

@@ -0,0 +1,80 @@
+// Copyright 2022 Democratized Data Foundation
+//
+// Use of this software is governed by the Business Source License
+// included in the file licenses/BSL.txt.
+//
+// As of the Change Date specified in that file, in accordance with
+// the Business Source License, use of this software will be governed
+// by the Apache License, Version 2.0, included in the file
+// licenses/APL.txt.
+
+package version
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewDefraVersion(t *testing.T) {
+	dv, err := NewDefraVersion()
+	assert.NoError(t, err)
+
+	assert.NotEmpty(t, dv.VersionHTTPAPI)
+	assert.NotEmpty(t, dv.NetProtocol)
+	assert.NotEmpty(t, dv.DocKeyVersions)
+
+	// These variables are set in the Makefile via BUILD_FLAGS when building defradb.
+	// This test assumes the test suite is not using these BUILD_FLAGS.
+	// Therefore, we expect them to be empty in this unit test.
+	assert.Empty(t, dv.GoInfo)
+	assert.Empty(t, dv.Release)
+	assert.Empty(t, dv.Commit)
+	assert.Empty(t, dv.CommitDate)
+}
+
+func TestDefraVersionString(t *testing.T) {
+	dv := defraVersion{
+		Release:    "test-release",
+		Commit:     "abc123def456",
+		CommitDate: "2022-01-01T12:00:00Z",
+		GoInfo:     "1.17.5",
+	}
+	assert.Equal(t, dv.String(), "defradb test-release (abc123de 2022-01-01T12:00:00Z) built with Go 1.17.5")
+}
+
+func TestDefraVersionStringFull(t *testing.T) {
+	dv := defraVersion{
+		Release:        "test-release",
+		Commit:         "abc123def456",
+		CommitDate:     "2022-01-01T12:00:00Z",
+		GoInfo:         "1.17.5",
+		VersionHTTPAPI: "v0",
+		DocKeyVersions: "1",
+		NetProtocol:    "/defra/0.0.1",
+	}
+
+	expected := `defradb test-release (abc123de 2022-01-01T12:00:00Z)
+* HTTP API: v0
+* P2P multicodec: /defra/0.0.1
+* DocKey versions: 1
+* Go: 1.17.5`
+
+	assert.Equal(t, expected, dv.StringFull())
+}
+
+func TestDefraVersion_JSON(t *testing.T) {
+	dv1 := defraVersion{
+		Release:        "test-release",
+		Commit:         "abc123def456",
+		CommitDate:     "2022-01-01T12:00:00Z",
+		GoInfo:         "go1.17.5",
+		VersionHTTPAPI: "1.2.3",
+		DocKeyVersions: "0123456789abcdef",
+		NetProtocol:    "test-protocol",
+	}
+
+	_, err := json.Marshal(dv1)
+	assert.NoError(t, err)
+}