Add package: form

Author: hioki-daichi

kadai4/hioki-daichi/form/rootform.go

@@ -0,0 +1,33 @@
+/*
+Package form provides methods to generate models from Form and Form from Request.
+*/
+package form
+
+import (
+	"net/http"
+
+	"github.com/gopherdojo/dojo3/kadai4/hioki-daichi/fortune"
+	"github.com/gopherdojo/dojo3/kadai4/hioki-daichi/person"
+)
+
+// RootForm has name.
+type RootForm struct {
+	name string
+}
+
+// NewRootForm returns a form for the route of "/".
+func NewRootForm(req *http.Request) *RootForm {
+	f := &RootForm{}
+	nameParam := req.URL.Query().Get("name")
+	if nameParam != "" {
+		f.name = nameParam
+	} else {
+		f.name = "Gopher"
+	}
+	return f
+}
+
+// NewPerson generates a person according to the content of form.
+func (f *RootForm) NewPerson(ftn fortune.Fortune) *person.Person {
+	return person.NewPerson(f.name, ftn)
+}

kadai4/hioki-daichi/form/rootform_test.go

@@ -0,0 +1,48 @@
+package form
+
+import (
+	"net/http/httptest"
+	"testing"
+
+	"github.com/gopherdojo/dojo3/kadai4/hioki-daichi/fortune"
+)
+
+func TestForm_NewRootForm(t *testing.T) {
+	cases := map[string]struct {
+		nameParam string
+		expected  string
+	}{
+		"/?name=hioki-daichi": {nameParam: "hioki-daichi", expected: "hioki-daichi"},
+		"/":                   {nameParam: "", expected: "Gopher"},
+	}
+
+	for n, c := range cases {
+		t.Run(n, func(t *testing.T) {
+			nameParam := c.nameParam
+			expected := c.expected
+
+			req := httptest.NewRequest("GET", "/", nil)
+			q := req.URL.Query()
+			q.Add("name", nameParam)
+			req.URL.RawQuery = q.Encode()
+			f := NewRootForm(req)
+
+			actual := f.name
+			if actual != expected {
+				t.Errorf(`unexpected name: expected: "%s" actual: "%s"`, expected, actual)
+			}
+		})
+	}
+}
+
+func TestForm_NewPerson(t *testing.T) {
+	name := "foo"
+
+	f := RootForm{name: name}
+	p := f.NewPerson(fortune.Daikichi)
+
+	actual := p.Name
+	if actual != name {
+		t.Errorf(`unexpected name: expected: "%s" actual: "%s"`, name, actual)
+	}
+}