From 1fecaeb3125a4b13fb0f28c9ce1ede62df700d1e Mon Sep 17 00:00:00 2001
From: Johan Brandhorst <johan.brandhorst@gmail.com>
Date: Tue, 28 May 2019 22:40:09 +0100
Subject: [PATCH] Working WASM Fetch test case

---
 Makefile           |  3 +++
 test/fetch_test.go | 42 ++++++++++++++++++++++++++++++++++++++++++
 test/wasm_test.go  | 30 ------------------------------
 3 files changed, 45 insertions(+), 30 deletions(-)
 create mode 100644 test/fetch_test.go
 delete mode 100644 test/wasm_test.go

diff --git a/Makefile b/Makefile
index 869400b..7783ba3 100644
--- a/Makefile
+++ b/Makefile
@@ -36,6 +36,9 @@ fetch: clean
 	cp $$(go env GOROOT)/misc/wasm/wasm_exec.js ./html/wasm_exec.js
 	sed -i -e 's;</button>;</button>\n\t<div id=\"target\"></div>;' ./html/index.html
 
+test: clean
+	GOOS=js GOARCH=wasm go test -c -o ./html/test.wasm ./test/
+
 clean:
 	rm -f ./html/*
 
diff --git a/test/fetch_test.go b/test/fetch_test.go
new file mode 100644
index 0000000..220e73f
--- /dev/null
+++ b/test/fetch_test.go
@@ -0,0 +1,42 @@
+package fetch_test
+
+import (
+	"encoding/json"
+	"net/http"
+	"testing"
+)
+
+type jsonResp struct {
+	Headers struct {
+		Accept         string `json:"Accept"`
+		AcceptEncoding string `json:"Accept-Encoding"`
+		Host           string `json:"Host"`
+		Origin         string `json:"Origin"`
+		Referer        string `json:"Referer"`
+		UserAgent      string `json:"User-Agent"`
+	} `json:"headers"`
+	Origin string `json:"origin"`
+	URL    string `json:"url"`
+}
+
+func TestFetch(t *testing.T) {
+	resp, err := http.Get("https://httpbin.org/get")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("Unexpected StatusCode %d", resp.StatusCode)
+	}
+
+	var r jsonResp
+	err = json.NewDecoder(resp.Body).Decode(&r)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if r.URL != "https://httpbin.org/get" {
+		t.Errorf("Unexpected request URL: %q", r.URL)
+	}
+}
diff --git a/test/wasm_test.go b/test/wasm_test.go
deleted file mode 100644
index ea7bf2a..0000000
--- a/test/wasm_test.go
+++ /dev/null
@@ -1,30 +0,0 @@
-//+build js,wasm
-
-package wasm_test
-
-import (
-	"io/ioutil"
-	"net/http"
-	"testing"
-)
-
-func TestFetch(t *testing.T) {
-	resp, err := http.Get("http://example.com/")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer resp.Body.Close()
-
-	if resp.StatusCode != http.StatusOK {
-		t.Errorf("Unexpected StatusCode %d", resp.StatusCode)
-	}
-
-	rb, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if string(rb) != "stuff" {
-		t.Errorf("Unexpected Body: %q", string(rb))
-	}
-}