From c8f90979acf078d2cbb18a9bf5c6f8349fab296a Mon Sep 17 00:00:00 2001
From: Alex Brainman <alex.brainman@gmail.com>
Date: Thu, 10 Apr 2014 14:02:24 +1000
Subject: [PATCH] cmd/go: always build package during "go test" command

even when there are no *_test.go files present.
rsc suggested this change

Fixes #7108

LGTM=r, adg
R=golang-codereviews, r, adg
CC=golang-codereviews
https://golang.org/cl/84300043
---
 src/cmd/go/test.bash                    | 8 ++++++++
 src/cmd/go/test.go                      | 2 +-
 src/cmd/go/testdata/src/notest/hello.go | 6 ++++++
 3 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 src/cmd/go/testdata/src/notest/hello.go

diff --git a/src/cmd/go/test.bash b/src/cmd/go/test.bash
index 45215de4ded..4bde1661104 100755
--- a/src/cmd/go/test.bash
+++ b/src/cmd/go/test.bash
@@ -700,6 +700,14 @@ if ! ./testgo list -f "GOARCH: {{context.GOARCH}}"; then
 	ok=false
 fi
 
+TEST 'Issue 7108: cmd/go: "go test" should fail if package does not build'
+export GOPATH=$(pwd)/testdata
+if ./testgo test notest >/dev/null 2>&1; then
+	echo 'go test notest succeeded, but should fail'
+	ok=false
+fi
+unset GOPATH
+
 # clean up
 if $started; then stop; fi
 rm -rf testdata/bin testdata/bin1
diff --git a/src/cmd/go/test.go b/src/cmd/go/test.go
index 20a9e74af14..a5497e71a3d 100644
--- a/src/cmd/go/test.go
+++ b/src/cmd/go/test.go
@@ -524,7 +524,7 @@ func contains(x []string, s string) bool {
 
 func (b *builder) test(p *Package) (buildAction, runAction, printAction *action, err error) {
 	if len(p.TestGoFiles)+len(p.XTestGoFiles) == 0 {
-		build := &action{p: p}
+		build := b.action(modeBuild, modeBuild, p)
 		run := &action{p: p, deps: []*action{build}}
 		print := &action{f: (*builder).notest, p: p, deps: []*action{run}}
 		return build, run, print, nil
diff --git a/src/cmd/go/testdata/src/notest/hello.go b/src/cmd/go/testdata/src/notest/hello.go
new file mode 100644
index 00000000000..7c42c32fb0a
--- /dev/null
+++ b/src/cmd/go/testdata/src/notest/hello.go
@@ -0,0 +1,6 @@
+package notest
+
+func hello() {
+	println("hello world")
+}
+Hello world