Add qemu cloudprovider for activation calls

Signed-off-by: Daniel Weiße <dw@edgeless.systems>

cli/qemu/instances_test.go

@@ -0,0 +1,71 @@
+package qemu
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIDs(t *testing.T) {
+	assert := assert.New(t)
+	testState := testInstances()
+	wantIDs := []string{"id-9", "id-10", "id-11", "id-12"}
+	assert.ElementsMatch(wantIDs, testState.IDs())
+}
+
+func TestPublicIPs(t *testing.T) {
+	assert := assert.New(t)
+	testState := testInstances()
+	wantIPs := []string{"192.0.2.1", "192.0.2.3", "192.0.2.5", "192.0.2.7"}
+	assert.ElementsMatch(wantIPs, testState.PublicIPs())
+}
+
+func TestPrivateIPs(t *testing.T) {
+	assert := assert.New(t)
+	testState := testInstances()
+	wantIPs := []string{"192.0.2.2", "192.0.2.4", "192.0.2.6", "192.0.2.8"}
+	assert.ElementsMatch(wantIPs, testState.PrivateIPs())
+}
+
+func TestGetOne(t *testing.T) {
+	assert := assert.New(t)
+	testState := testInstances()
+	id, instance, err := testState.GetOne()
+	assert.NoError(err)
+	assert.Contains(testState, id)
+	assert.Equal(testState[id], instance)
+}
+
+func TestGetOthers(t *testing.T) {
+	assert := assert.New(t)
+	testCases := testInstances().IDs()
+
+	for _, id := range testCases {
+		others := testInstances().GetOthers(id)
+		assert.NotContains(others, id)
+		wantInstances := testInstances()
+		delete(wantInstances, id)
+		assert.ElementsMatch(others.IDs(), wantInstances.IDs())
+	}
+}
+
+func testInstances() Instances {
+	return Instances{
+		"id-9": {
+			PublicIP:  "192.0.2.1",
+			PrivateIP: "192.0.2.2",
+		},
+		"id-10": {
+			PublicIP:  "192.0.2.3",
+			PrivateIP: "192.0.2.4",
+		},
+		"id-11": {
+			PublicIP:  "192.0.2.5",
+			PrivateIP: "192.0.2.6",
+		},
+		"id-12": {
+			PublicIP:  "192.0.2.7",
+			PrivateIP: "192.0.2.8",
+		},
+	}
+}