Rework as HTTP server (#15)

1 files changed, 66 insertions, 0 deletions

diff --git a/utils_test.go b/utils_test.go
new file mode 100644
index 0000000..3894e28
--- /dev/null
+++ b/utils_test.go
@@ -0,0 +1,66 @@
+package main
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/yosssi/gohtml"
+)
+
+// TempFile persists contents and returns the path and a clean func
+func TempFile(t *testing.T, contents string) (path string, clean func()) {
+	content := []byte(contents)
+	tmpfile, err := ioutil.TempFile("", "sally-tmp")
+	if err != nil {
+		t.Fatal("Unable to create tmpfile", err)
+	}
+
+	if _, err := tmpfile.Write(content); err != nil {
+		t.Fatal("Unable to write tmpfile", err)
+	}
+	if err := tmpfile.Close(); err != nil {
+		t.Fatal("Unable to close tmpfile", err)
+	}
+
+	return tmpfile.Name(), func() {
+		os.Remove(tmpfile.Name())
+	}
+}
+
+// CreateHandlerFromYAML builds the Sally handler from a yaml config string
+func CreateHandlerFromYAML(t *testing.T, content string) (handler http.Handler, clean func()) {
+	path, clean := TempFile(t, content)
+
+	config, err := Parse(path)
+	if err != nil {
+		t.Fatalf("Unable to parse %s: %v", path, err)
+	}
+
+	return CreateHandler(config), clean
+}
+
+// CallAndRecord makes a GET request to the Sally handler and returns a response recorder
+func CallAndRecord(t *testing.T, config string, uri string) *httptest.ResponseRecorder {
+	handler, clean := CreateHandlerFromYAML(t, config)
+	defer clean()
+
+	req, err := http.NewRequest("GET", uri, nil)
+	if err != nil {
+		t.Fatalf("Unable to create request to %s: %v", uri, err)
+	}
+
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+
+	return rr
+}
+
+// AssertResponse normalizes and asserts the body from rr against want
+func AssertResponse(t *testing.T, rr *httptest.ResponseRecorder, code int, want string) {
+	assert.Equal(t, rr.Code, code)
+	assert.Equal(t, gohtml.Format(want), gohtml.Format(rr.Body.String()))
+}