add single path

4 files changed, 87 insertions, 20 deletions

diff --git a/builder/builder.go b/builder/builder.go
index 16f28ed..3f16d71 100644
--- a/builder/builder.go
+++ b/builder/builder.go
@@ -1,36 +1,53 @@
 package builder
 
-type Info struct {
-	Title   string `json:"title"`
-	Version string `json:"version"`
+type Builder interface {
+	AddPath(string) PathBuilder
+	Build() *Document
 }
 
-type Paths struct {
+type PathBuilder interface {
+	Get(string, string)
 }
 
-type Document struct {
-	Version string `json:"openapi"`
-	Info    *Info  `json:"info"`
-	Paths   *Paths `json:"paths"`
+type builder struct {
+	doc *Document
 }
 
-type Builder struct {
-	doc *Document
+type pathBuilder struct {
+	root    string
+	builder *builder
 }
 
-func New(title, version string) *Builder {
-	return &Builder{
+func (b *pathBuilder) Get(description string, summary string) {
+	paths := b.builder.doc.Paths
+	paths[b.root] = map[string]interface{}{
+		"get": map[string]interface{}{
+			"description": description,
+			"summary":     summary,
+		},
+	}
+}
+
+func New(title, version string) Builder {
+	return &builder{
 		doc: &Document{
 			Version: "3.1.0",
 			Info: &Info{
 				Title:   title,
 				Version: version,
 			},
-			Paths: &Paths{},
+			Paths: Paths{},
 		},
 	}
 }
 
-func (b *Builder) Build() *Document {
+func (b *builder) AddPath(path string) PathBuilder {
+	return &pathBuilder{
+		root:    path,
+		builder: b,
+	}
+}
+
+func (b *builder) Build() *Document {
 	return b.doc
 }
diff --git a/builder/builder_test.go b/builder/builder_test.go
index 450aca9..6be142d 100644
--- a/builder/builder_test.go
+++ b/builder/builder_test.go
@@ -1,22 +1,34 @@
 package builder
 
 import (
-	"encoding/json"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 	"github.com/xlgmokha/openapi/test"
 )
 
 func TestBuilder(t *testing.T) {
 	t.Run("builds a minimal spec", func(t *testing.T) {
+		spec := New("The API", "0.1.0").Build()
+
+		assert.Equal(t,
+			test.Fixture("minimal.json"),
+			spec.ToJSON(),
+		)
+	})
+
+	t.Run("adds a path", func(t *testing.T) {
 		builder := New("The API", "0.1.0")
-		spec := builder.Build()
+		builder.AddPath("/users").Get(
+			"List all the users",
+			"List all the users",
+		)
 
-		bytes, err := json.MarshalIndent(spec, "", "  ")
-		require.Nil(t, err)
+		spec := builder.Build()
 
-		assert.Equal(t, test.Fixture("minimal.json"), string(bytes))
+		assert.Equal(t,
+			test.Fixture("users.json"),
+			spec.ToJSON(),
+		)
 	})
 }
diff --git a/builder/document.go b/builder/document.go
new file mode 100644
index 0000000..1dbdc7c
--- /dev/null
+++ b/builder/document.go
@@ -0,0 +1,23 @@
+package builder
+
+import (
+	"encoding/json"
+)
+
+type Info struct {
+	Title   string `json:"title"`
+	Version string `json:"version"`
+}
+
+type Paths map[string]interface{}
+
+type Document struct {
+	Version string `json:"openapi"`
+	Info    *Info  `json:"info"`
+	Paths   Paths  `json:"paths"`
+}
+
+func (document *Document) ToJSON() string {
+	bytes, _ := json.MarshalIndent(document, "", "  ")
+	return string(bytes)
+}
diff --git a/test/fixtures/users.json b/test/fixtures/users.json
new file mode 100644
index 0000000..12e8de1
--- /dev/null
+++ b/test/fixtures/users.json
@@ -0,0 +1,15 @@
+{
+  "openapi": "3.1.0",
+  "info": {
+    "title": "The API",
+    "version": "0.1.0"
+  },
+  "paths": {
+    "/users": {
+      "get": {
+        "description": "List all the users",
+        "summary": "List all the users"
+      }
+    }
+  }
+}