From 96a19ac1425c4a6bc08ac998c88950118231036c Mon Sep 17 00:00:00 2001
From: Michael Thomson <michael@michaelthomson.dev>
Date: Sat, 25 May 2024 11:50:11 -0400
Subject: [PATCH] di

---
 di/greet.go      | 20 ++++++++++++++++++++
 di/greet_test.go | 18 ++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 di/greet.go
 create mode 100644 di/greet_test.go

diff --git a/di/greet.go b/di/greet.go
new file mode 100644
index 0000000..cfed647
--- /dev/null
+++ b/di/greet.go
@@ -0,0 +1,20 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+)
+
+func Greet(writer io.Writer, name string) {
+  fmt.Fprintf(writer, "Hello, %s", name)
+}
+
+func MyGreeterHandler(w http.ResponseWriter, r *http.Request) {
+  Greet(w, "world")
+}
+
+func main() {
+  log.Fatal(http.ListenAndServe(":5001", http.HandlerFunc(MyGreeterHandler)))
+}
diff --git a/di/greet_test.go b/di/greet_test.go
new file mode 100644
index 0000000..37afdb3
--- /dev/null
+++ b/di/greet_test.go
@@ -0,0 +1,18 @@
+package main
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestGreet(t *testing.T) {
+  buffer := bytes.Buffer{}
+  Greet(&buffer, "Chris")
+
+  got := buffer.String()
+  want := "Hello, Chris"
+
+  if got != want {
+    t.Errorf("got %q want %q", got, want)
+  }
+}