fix path on flux push

Signed-off-by: Somtochi Onyekwere <somtochionyekwere@gmail.com>

cmd/flux/build_artifact_test.go

@@ -0,0 +1,70 @@
+/*
+Copyright 2022 The Flux authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"os"
+	"strings"
+	"testing"
+
+	. "github.com/onsi/gomega"
+)
+
+func Test_saveReaderToFile(t *testing.T) {
+	g := NewWithT(t)
+
+	testString := `apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: myapp
+data:
+  foo: bar`
+
+	tests := []struct {
+		name      string
+		string    string
+		expectErr bool
+	}{
+		{
+			name:   "yaml",
+			string: testString,
+		},
+		{
+			name:   "yaml with carriage return",
+			string: testString + "\r\n",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tmpFile, err := saveReaderToFile(strings.NewReader(tt.string))
+			g.Expect(err).To(BeNil())
+
+			defer os.Remove(tmpFile)
+
+			b, err := os.ReadFile(tmpFile)
+			if tt.expectErr {
+				g.Expect(err).To(Not(BeNil()))
+				return
+			}
+
+			g.Expect(err).To(BeNil())
+			g.Expect(string(b)).To(BeEquivalentTo(testString))
+		})
+
+	}
+}