cloudinit tests pass :)

Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au>

config/cloudinit/datasource/proccmdline/proc_cmdline_test.go

@@ -0,0 +1,102 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// 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 proccmdline
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+)
+
+func TestParseCmdlineCloudConfigFound(t *testing.T) {
+	tests := []struct {
+		input  string
+		expect string
+	}{
+		{
+			"cloud-config-url=example.com",
+			"example.com",
+		},
+		{
+			"cloud_config_url=example.com",
+			"example.com",
+		},
+		{
+			"cloud-config-url cloud-config-url=example.com",
+			"example.com",
+		},
+		{
+			"cloud-config-url= cloud-config-url=example.com",
+			"example.com",
+		},
+		{
+			"cloud-config-url=one.example.com cloud-config-url=two.example.com",
+			"two.example.com",
+		},
+		{
+			"foo=bar cloud-config-url=example.com ping=pong",
+			"example.com",
+		},
+	}
+
+	for i, tt := range tests {
+		output, err := findCloudConfigURL(tt.input)
+		if output != tt.expect {
+			t.Errorf("Test case %d failed: %s != %s", i, output, tt.expect)
+		}
+		if err != nil {
+			t.Errorf("Test case %d produced error: %v", i, err)
+		}
+	}
+}
+
+func TestProcCmdlineAndFetchConfig(t *testing.T) {
+
+	var (
+		ProcCmdlineTmpl    = "foo=bar cloud-config-url=%s/config\n"
+		CloudConfigContent = "#cloud-config\n"
+	)
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == "GET" && r.RequestURI == "/config" {
+			fmt.Fprint(w, CloudConfigContent)
+		}
+	}))
+	defer ts.Close()
+
+	file, err := ioutil.TempFile(os.TempDir(), "test_proc_cmdline")
+	defer os.Remove(file.Name())
+	if err != nil {
+		t.Errorf("Test produced error: %v", err)
+	}
+	_, err = file.Write([]byte(fmt.Sprintf(ProcCmdlineTmpl, ts.URL)))
+	if err != nil {
+		t.Errorf("Test produced error: %v", err)
+	}
+
+	p := NewDatasource()
+	p.Location = file.Name()
+	cfg, err := p.FetchUserdata()
+	if err != nil {
+		t.Errorf("Test produced error: %v", err)
+	}
+
+	if string(cfg) != CloudConfigContent {
+		t.Errorf("Test failed, response body: %s != %s", cfg, CloudConfigContent)
+	}
+}