implement testEnv for e2e tests

Signed-off-by: Chanwit Kaewkasi <chanwit@gmail.com>

cmd/flux/install_test.go

@@ -0,0 +1,54 @@
+// +build e2e
+
+package main
+
+import (
+	"testing"
+	"time"
+)
+
+func TestInstallNoArgs(t *testing.T) {
+	cmd := cmdTestCase{
+		args:            "install",
+		wantError:       false,
+		testClusterMode: ExistingClusterMode,
+		goldenFile:      "testdata/install/install_no_args.golden",
+	}
+	cmd.runTestCmd(t)
+
+	testUninstallSilent(t)
+	time.Sleep(30 * time.Second)
+}
+
+func TestInstallExtraComponents(t *testing.T) {
+	cmd := cmdTestCase{
+		args:            "install --components-extra=image-reflector-controller,image-automation-controller",
+		wantError:       false,
+		testClusterMode: ExistingClusterMode,
+		goldenFile:      "testdata/install/install_extra_components.golden",
+	}
+	cmd.runTestCmd(t)
+
+	testUninstallSilentForExtraComponents(t)
+	time.Sleep(30 * time.Second)
+}
+
+func testUninstallSilent(t *testing.T) {
+	cmd := cmdTestCase{
+		args:            "uninstall -s",
+		wantError:       false,
+		testClusterMode: ExistingClusterMode,
+		goldenFile:      "testdata/uninstall/uninstall.golden",
+	}
+	cmd.runTestCmd(t)
+}
+
+func testUninstallSilentForExtraComponents(t *testing.T) {
+	cmd := cmdTestCase{
+		args:            "uninstall -s",
+		wantError:       false,
+		testClusterMode: ExistingClusterMode,
+		goldenFile:      "testdata/uninstall/uninstall_extra_components.golden",
+	}
+	cmd.runTestCmd(t)
+}