From 30a71da8e76db913c2fca187dfea3e17c5d93d78 Mon Sep 17 00:00:00 2001
From: DanHam <DanHam@users.noreply.github.com>
Date: Sat, 7 Jul 2018 13:57:44 +0100
Subject: [PATCH] Add tests for disk compaction step

---
 .../hyperv/common/step_compact_disk_test.go   | 63 +++++++++++++++++++
 builder/hyperv/common/step_test.go            | 19 ++++++
 2 files changed, 82 insertions(+)
 create mode 100644 builder/hyperv/common/step_compact_disk_test.go
 create mode 100644 builder/hyperv/common/step_test.go

diff --git a/builder/hyperv/common/step_compact_disk_test.go b/builder/hyperv/common/step_compact_disk_test.go
new file mode 100644
index 000000000..75f3aa19d
--- /dev/null
+++ b/builder/hyperv/common/step_compact_disk_test.go
@@ -0,0 +1,63 @@
+package common
+
+import (
+	"context"
+	"testing"
+
+	"github.com/hashicorp/packer/helper/multistep"
+)
+
+func TestStepCompactDisk_impl(t *testing.T) {
+	var _ multistep.Step = new(StepCompactDisk)
+}
+
+func TestStepCompactDisk(t *testing.T) {
+	state := testState(t)
+	step := new(StepCompactDisk)
+
+	// Set up the path to the tmp directory used to store VM files
+	tmpPath := "foopath"
+	state.Put("packerTempDir", tmpPath)
+
+	driver := state.Get("driver").(*DriverMock)
+
+	// Test the run
+	if action := step.Run(context.Background(), state); action != multistep.ActionContinue {
+		t.Fatalf("Bad action: %v", action)
+	}
+	if _, ok := state.GetOk("error"); ok {
+		t.Fatal("Should NOT have error")
+	}
+
+	// Test the driver
+	if !driver.CompactDisks_Called {
+		t.Fatal("Should have called CompactDisks")
+	}
+	if driver.CompactDisks_Path != tmpPath {
+		t.Fatalf("Should call with correct path. Got: %s Wanted: %s", driver.CompactDisks_Path, tmpPath)
+	}
+}
+
+func TestStepCompactDisk_skip(t *testing.T) {
+	state := testState(t)
+	step := new(StepCompactDisk)
+	step.SkipCompaction = true
+
+	// Set up the path to the tmp directory used to store VM files
+	state.Put("packerTempDir", "foopath")
+
+	driver := state.Get("driver").(*DriverMock)
+
+	// Test the run
+	if action := step.Run(context.Background(), state); action != multistep.ActionContinue {
+		t.Fatalf("Bad action: %v", action)
+	}
+	if _, ok := state.GetOk("error"); ok {
+		t.Fatalf("Should NOT have error")
+	}
+
+	// Test the driver
+	if driver.CompactDisks_Called {
+		t.Fatal("Should NOT have called CompactDisks")
+	}
+}
diff --git a/builder/hyperv/common/step_test.go b/builder/hyperv/common/step_test.go
new file mode 100644
index 000000000..c8a12abb6
--- /dev/null
+++ b/builder/hyperv/common/step_test.go
@@ -0,0 +1,19 @@
+package common
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/hashicorp/packer/helper/multistep"
+	"github.com/hashicorp/packer/packer"
+)
+
+func testState(t *testing.T) multistep.StateBag {
+	state := new(multistep.BasicStateBag)
+	state.Put("driver", new(DriverMock))
+	state.Put("ui", &packer.BasicUi{
+		Reader: new(bytes.Buffer),
+		Writer: new(bytes.Buffer),
+	})
+	return state
+}