add integration test for version info injection via vars

Author: Roberto Sora

Taskfile.yml

@@ -1,5 +1,12 @@
 version: '2'
 
+vars:
+  TEST_VERSIONSTRING: "0.0.0-test.preview"
+  TEST_COMMIT: "deadbeef"
+  TEST_LDFLAGS_VALUE: >
+    '-X github.com/arduino/arduino-cli/version.versionString={{.TEST_VERSIONSTRING}}
+    -X github.com/arduino/arduino-cli/version.commit={{.TEST_COMMIT}}'
+
 tasks:
   build:
     desc: Build the project
@@ -20,4 +27,4 @@ tasks:
   test-integration:
     desc: Run integration tests only
     cmds:
-      - go test -run Integration {{ default "-v" .GOFLAGS }} {{ default "./..." .TARGETS }}
+      - go test -run Integration {{ default "-v" .GOFLAGS }} {{ default "./..." .TARGETS }} -ldflags {{.TEST_LDFLAGS_VALUE}}

version/version_test.go

@@ -0,0 +1,47 @@
+/*
+ * This file is part of arduino-cli.
+ *
+ * Copyright 2018 ARDUINO SA (http://www.arduino.cc/)
+ *
+ * This software is released under the GNU General Public License defaultVersionString 3,
+ * which covers the main part of arduino-cli.
+ * 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 version
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+)
+
+// TestIntegrationBuildInjectedInfo is an integration test that aims to test the Info strings passed to the binary at build time
+// in order to have this test green launch your testing using the provided task (see /Taskfile.yml) or use:
+// go test -run Integration -v ./... -ldflags '-X github.com/arduino/arduino-cli/version.versionString=0.0.0-test.preview -X github.com/arduino/arduino-cli/version.commit=deadbeef'
+func TestIntegrationBuildInjectedInfo(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skip integration test")
+	}
+	goldenAppName := "arduino-cli"
+	goldenInfo := Info{
+		Application:   goldenAppName,
+		VersionString: "0.0.0-test.preview",
+		Commit:        "deadbeef",
+		BuildDate:     time.Time{},
+	}
+	info := NewInfo(goldenAppName)
+	require.Equal(t, goldenInfo.Application, info.Application)
+	require.Equal(t, goldenInfo.VersionString, info.VersionString)
+	require.Equal(t, goldenInfo.Commit, info.Commit)
+	require.IsType(t, time.Time{}, info.BuildDate)
+	require.False(t, info.BuildDate.IsZero())
+}