Mac OS X install difficulties and TestWebView_LoadURI crash

[jimrobinson]

On Mac OS X 10.11.5 I only had access to webkit2gtk-4.0 via homebrew. I had to adjust:

github.com/sqs/gojs/base.go to point to javascriptcoregtk-4.0
github.com/sourcegraph/go-webkit2/webkit2/webview.go to point to webkit2gtk-4.0

I also found that it complained about missing cairo/cairo.h, though I did have that.
I tried adding cairo to the pkg-config, but that didn't help. I ended up adding a
CFLAG to point to the directory holding cairo/cairo.h:

diff --git a/webkit2/webview.go b/webkit2/webview.go
index 8249757..e335ea0 100644
--- a/webkit2/webview.go
+++ b/webkit2/webview.go
@@ -1,12 +1,13 @@
 package webkit2

+// #cgo CFLAGS: -I/usr/local/include
 // #include <stdlib.h>
 // #include <webkit2/webkit2.h>
 // #include <cairo/cairo.h>
 //
 // static WebKitWebView* to_WebKitWebView(GtkWidget* w) { return WEBKIT_WEB_VIEW(w); }
 //
-// #cgo pkg-config: webkit2gtk-3.0
+// #cgo pkg-config: cairo webkit2gtk-4.0
 import "C"

 import (

With this changes I could run "go get github.com/sourcegraph/go-webkit2/webkit2", but I find that if I run the tests it crashes:

$ go test -v
2016-05-22 20:13:08.075 webkit2.test[54277:11293251] *** WARNING: Method userSpaceScaleFactor in class NSView is deprecated on 10.7 and later. It should not be used in new applications. Use convertRectToBacking: instead. 
=== RUN   TestSettings_EnableWriteConsoleMessagesToStdout
--- PASS: TestSettings_EnableWriteConsoleMessagesToStdout (0.18s)
=== RUN   TestSettings_AutoLoadImages
--- PASS: TestSettings_AutoLoadImages (0.00s)
=== RUN   TestSettings_SetUserAgentWithApplicationDetails
--- PASS: TestSettings_SetUserAgentWithApplicationDetails (0.00s)
=== RUN   TestDefaultWebContext
--- PASS: TestDefaultWebContext (0.00s)
=== RUN   TestWebContext_CacheModel
--- PASS: TestWebContext_CacheModel (0.00s)
=== RUN   TestWebContext_ClearCache
--- PASS: TestWebContext_ClearCache (0.00s)
=== RUN   TestNewWebView
--- PASS: TestNewWebView (0.00s)
=== RUN   TestNewWebViewWithContext
--- PASS: TestNewWebViewWithContext (0.00s)
=== RUN   TestWebView_Context
--- PASS: TestWebView_Context (0.00s)
=== RUN   TestWebView_LoadURI
fatal error: unexpected signal during runtime execution
[signal 0xb code=0x1 addr=0x10 pc=0x7fff9436caf1]

runtime stack:
runtime.throw(0x496bd40, 0x2a)
    /usr/local/go/src/runtime/panic.go:530 +0x90
runtime.sigpanic()
    /usr/local/go/src/runtime/sigpanic_unix.go:12 +0x5a

goroutine 28 [syscall, locked to thread]:
runtime.cgocall(0x44ae4c0, 0xc82003ae80, 0x0)
    /usr/local/go/src/runtime/cgocall.go:123 +0x11b fp=0xc82003ae58 sp=0xc82003ae28
github.com/gotk3/gotk3/gtk._Cfunc_gtk_main()
    ??:0 +0x36 fp=0xc82003ae80 sp=0xc82003ae58
github.com/gotk3/gotk3/gtk.Main()
    /Users/jimr/Library/gocode/src/github.com/gotk3/gotk3/gtk/gtk.go:866 +0x14 fp=0xc82003ae88 sp=0xc82003ae80
github.com/sourcegraph/go-webkit2/webkit2.TestWebView_LoadURI(0xc820094c60)
    /Users/jimr/Library/gocode/src/github.com/sourcegraph/go-webkit2/webkit2/webview_test.go:59 +0x269 fp=0xc82003af68 sp=0xc82003ae88
testing.tRunner(0xc820094c60, 0x4e0c5f8)
    /usr/local/go/src/testing/testing.go:473 +0x98 fp=0xc82003afa0 sp=0xc82003af68
runtime.goexit()
    /usr/local/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc82003afa8 sp=0xc82003afa0
created by testing.RunTests
    /usr/local/go/src/testing/testing.go:582 +0x892

goroutine 1 [chan receive, locked to thread]:
testing.RunTests(0x49cd408, 0x4e0c520, 0x13, 0x13, 0xc820000101)
    /usr/local/go/src/testing/testing.go:583 +0x8d2
testing.(*M).Run(0xc820057ef8, 0x8)
    /usr/local/go/src/testing/testing.go:515 +0x81
main.main()
    github.com/sourcegraph/go-webkit2/webkit2/_test/_testmain.go:94 +0x117

goroutine 17 [syscall, locked to thread]:
runtime.goexit()
    /usr/local/go/src/runtime/asm_amd64.s:1998 +0x1

goroutine 29 [IO wait]:
net.runtime_pollWait(0xa609a18, 0x72, 0xa600028)
    /usr/local/go/src/runtime/netpoll.go:160 +0x60
net.(*pollDesc).Wait(0xc8200f6140, 0x72, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:73 +0x3a
net.(*pollDesc).WaitRead(0xc8200f6140, 0x0, 0x0)
    /usr/local/go/src/net/fd_poll_runtime.go:78 +0x36
net.(*netFD).accept(0xc8200f60e0, 0x0, 0xa0a7028, 0xc82000a1c0)
    /usr/local/go/src/net/fd_unix.go:426 +0x27c
net.(*TCPListener).AcceptTCP(0xc820076128, 0x1, 0x0, 0x0)
    /usr/local/go/src/net/tcpsock_posix.go:254 +0x4d
net.(*TCPListener).Accept(0xc820076128, 0x0, 0x0, 0x0, 0x0)
    /usr/local/go/src/net/tcpsock_posix.go:264 +0x3d
net/http.(*Server).Serve(0xc8200b2100, 0xa608a70, 0xc820076128, 0x0, 0x0)
    /usr/local/go/src/net/http/server.go:2117 +0x129
net/http/httptest.(*Server).goServe.func1(0xc82008e660)
    /usr/local/go/src/net/http/httptest/server.go:237 +0x75
created by net/http/httptest.(*Server).goServe
    /usr/local/go/src/net/http/httptest/server.go:238 +0x58
exit status 2
FAIL    github.com/sourcegraph/go-webkit2/webkit2   0.318s
$ 2016-05-22 20:13:08.324 WebKitWebProcess[54279:11293290] *** WARNING: Method userSpaceScaleFactor in class NSView is deprecated on 10.7 and later. It should not be used in new applications. Use convertRectToBacking: instead. 

[OneOfOne]

Did you ever find a solution?

[jimrobinson]

No, I don't think I ever got a response. I believe I ended up using an external application, PhantomJS (called via os/exec libraries).