Removing integration test dependency on internet access

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

Makefile

@@ -18,6 +18,14 @@ define gocross
 			-o $(PREFIX)/bin/$(PKG_NAME)_$(1)-$(2)$(call extension,$(1));
 endef
 
+define gocross-tool
+	GOOS=$(1) GOARCH=$(2) \
+		$(GO) build \
+			-ldflags "-w -s $(COMMIT_FLAG) $(VERSION_FLAG)" \
+			-o $(PREFIX)/bin/$(3)_$(1)-$(2)$(call extension,$(1)) \
+			$(PREFIX)/test/integration/$(3)svc;
+endef
+
 define compress
 	upx $(PREFIX)/bin/$(PKG_NAME)_$(1)-$(2)$(call extension,$(1)) \
 	 -o $(PREFIX)/bin/$(PKG_NAME)_$(1)-$(2)-slim$(call extension,$(1))
@@ -36,25 +44,34 @@ compress-all:
 
 build-release: clean build-x compress-all
 
-$(PREFIX)/bin/$(PKG_NAME)_%: $(shell find . -type f -name '*.go')
+$(PREFIX)/bin/$(PKG_NAME)_%: $(shell find $(PREFIX) -type f -name '*.go' -not -path "$(PREFIX)/test/*")
 	$(call gocross,$(shell echo $* | sed 's/\([^-]*\)-\([^.]*\).*/\1/'),$(shell echo $* | sed 's/\([^-]*\)-\([^.]*\).*/\2/'))
 
-$(PREFIX)/bin/$(PKG_NAME)$(call extension,$(GOOS)): $(shell find . -type f -name '*.go')
+$(PREFIX)/bin/mirror_%: $(shell find $(PREFIX)/test/integration/mirrorsvc -type f -name '*.go')
+	$(call gocross-tool,$(shell echo $* | sed 's/\([^-]*\)-\([^.]*\).*/\1/'),$(shell echo $* | sed 's/\([^-]*\)-\([^.]*\).*/\2/'),mirror)
+
+$(PREFIX)/bin/$(PKG_NAME)$(call extension,$(GOOS)): $(shell find $(PREFIX) -type f -name '*.go' -not -path "$(PREFIX)/test/*")
 	$(GO) build -ldflags "-w -s $(COMMIT_FLAG) $(VERSION_FLAG)" -o $@
 
+$(PREFIX)/bin/mirror$(call extension,$(GOOS)): $(shell find $(PREFIX)/test/integration/mirrorsvc -type f -name '*.go')
+	$(GO) build -ldflags "-w -s $(COMMIT_FLAG) $(VERSION_FLAG)" -o $@ $(PREFIX)/test/integration/mirrorsvc
+
 build: $(PREFIX)/bin/$(PKG_NAME)$(call extension,$(GOOS))
 
+build-mirror: $(PREFIX)/bin/mirror$(call extension,$(GOOS))
+
 test:
 	$(GO) test -v -race `glide novendor`
 
-build-integration-image: $(PREFIX)/bin/$(PKG_NAME)_linux-amd64$(call extension,$(GOOS))
+build-integration-image: $(PREFIX)/bin/$(PKG_NAME)_linux-amd64$(call extension,$(GOOS)) $(PREFIX)/bin/mirror_linux-amd64$(call extension,$(GOOS))
 	cp $(PREFIX)/bin/$(PKG_NAME)_linux-amd64 test/integration/gomplate
+	cp $(PREFIX)/bin/mirror_linux-amd64 test/integration/mirror
 	docker build -f test/integration/Dockerfile -t gomplate-test test/integration/
 
 test-integration-docker: build-integration-image
 	docker run -it --rm gomplate-test
 
-test-integration: build
+test-integration: build build-mirror
 	@test/integration/test.sh
 
 gen-changelog:

test/integration/.gitignore

@@ -1 +1,2 @@
 gomplate
+mirror

test/integration/Dockerfile

@@ -15,6 +15,7 @@ RUN mkdir /lib64 \
   && ln -s /lib/libc.musl-x86_64.so.1 /lib64/ld-linux-x86-64.so.2
 
 COPY gomplate /bin/gomplate
+COPY mirror /bin/mirror
 COPY *.sh /tests/
 COPY *.bash /tests/
 COPY *.bats /tests/

test/integration/datasources_http.bats

@@ -2,11 +2,19 @@
 
 load helper
 
+function setup() {
+  start_mirror_svc
+}
+
+function teardown() {
+  stop_mirror_svc
+}
+
 @test "HTTP datasource with headers" {
   gomplate \
-    -d foo=http://httpbin.org/get \
+    -d foo=http://127.0.0.1:8080/ \
     -H foo=Foo:bar \
-    -i '{{ (datasource "foo").headers.Foo }}'
+    -i '{{ index (datasource "foo").headers.Foo 0 }}'
   [ "$status" -eq 0 ]
   [[ "${output}" == "bar" ]]
 }

test/integration/helper.bash

@@ -25,3 +25,11 @@ function __gomplate_stdin () {
   shift 1
   echo "$in" | bin/gomplate "$@"
 }
+
+function start_mirror_svc () {
+  bin/mirror &
+}
+
+function stop_mirror_svc () {
+  wget -q http://127.0.0.1:8080/quit
+}

test/integration/mirrorsvc/main.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"log"
+	"net"
+	"net/http"
+)
+
+// Req -
+type Req struct {
+	Headers http.Header `json:"headers"`
+}
+
+var port string
+
+func main() {
+	flag.StringVar(&port, "p", "8080", "Port to listen to")
+	flag.Parse()
+
+	l, err := net.Listen("tcp", ":"+port)
+	if err != nil {
+		log.Fatal(err)
+	}
+	// defer l.Close()
+	http.HandleFunc("/", rootHandler)
+
+	http.HandleFunc("/quit", quitHandler(l))
+
+	http.Serve(l, nil)
+}
+
+func rootHandler(w http.ResponseWriter, r *http.Request) {
+	req := Req{r.Header}
+	b, err := json.Marshal(req)
+	if err != nil {
+		log.Println(err)
+		w.WriteHeader(http.StatusBadRequest)
+	}
+	w.Header().Set("Content-Type", "application/json")
+	w.Write(b)
+}
+
+func quitHandler(l net.Listener) func(http.ResponseWriter, *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		l.Close()
+		w.WriteHeader(http.StatusNoContent)
+	}
+}