add test for README instructions

cmd/dfg-as-library/dfg-as-library.go

@@ -18,7 +18,7 @@ func main() {
 					User: "ozan",
 				},
 				dfg.Workdir{
-					Dir: "/go/src/github.com/alexellis/href-counter/",
+					Dir: "/go/src/github.com/ozankasikci/dockerfile-generator/",
 				},
 				dfg.RunCommand{
 					Params: []string{"go", "get", "-d", "-v", "golang.org/x/net/html"},
@@ -45,7 +45,7 @@ func main() {
 					Dir: "/root/",
 				},
 				dfg.CopyCommand{
-					From: "builder", Sources: []string{"/go/src/github.com/alexellis/href-counter/app"}, Destination: ".",
+					From: "builder", Sources: []string{"/go/src/github.com/ozankasikci/dockerfile-generator/app"}, Destination: ".",
 				},
 				dfg.Cmd{
 					Params: []string{"./app"},

template_test.go

@@ -328,6 +328,22 @@ CMD ["/usr/sbin/apache2", "-D", "FOREGROUND"]
 	}
 }
 
+func TestYamlRenderingTargetField6(t *testing.T) {
+	data, err := NewDockerFileDataFromYamlField("./example-input-files/test-input-with-target-key-6.yaml", ".serverConfig.dockerfile")
+	tmpl := NewDockerfileTemplate(data)
+	assert.NoError(t, err)
+
+	output := &bytes.Buffer{}
+	err = tmpl.Render(output)
+	assert.NoError(t, err)
+	expectedOutput := `FROM kstaken/apache2
+RUN apt-get update && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+`
+
+	assert.Equal(t, expectedOutput, output.String())
+}
+
 func TestYamlRenderingFail(t *testing.T) {
 	data, err := NewDockerFileDataFromYamlFile("./example-input-files/invalid-input.yaml")
 	tmpl := NewDockerfileTemplate(data)