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phantomjs_test.go
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phantomjs_test.go
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package phantomjs_test
import (
"bytes"
"encoding/base64"
"fmt"
"image/png"
"io/ioutil"
"net/http"
"net/http/httptest"
"path/filepath"
"reflect"
"testing"
"time"
"github.com/benbjohnson/phantomjs"
)
// Ensure web page can return whether it can navigate forward.
func TestWebPage_CanGoForward(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
if v, err := page.CanGoForward(); err != nil {
t.Fatal(err)
} else if v {
t.Fatal("expected false")
}
}
// Ensure process can return if the page can navigate back.
func TestWebPage_CanGoBack(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
if v, err := page.CanGoBack(); err != nil {
t.Fatal(err)
} else if v {
t.Fatal("expected false")
}
}
// Ensure process can set and retrieve the clipping rectangle.
func TestWebPage_ClipRect(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Clipping rectangle should be empty initially.
if v, err := page.ClipRect(); err != nil {
t.Fatal(err)
} else if v != (phantomjs.Rect{}) {
t.Fatalf("expected empty rect: %#v", v)
}
// Set a rectangle.
rect := phantomjs.Rect{Top: 1, Left: 2, Width: 3, Height: 4}
if err := page.SetClipRect(rect); err != nil {
t.Fatal(err)
}
if v, err := page.ClipRect(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(v, rect) {
t.Fatalf("unexpected value: %#v", v)
}
}
// Ensure process can set and retrieve cookies.
func TestWebPage_Cookies(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Test data.
cookies := []*http.Cookie{
{
Domain: ".example1.com",
HttpOnly: true,
Name: "NAME1",
Path: "/",
Secure: true,
Value: "VALUE1",
},
{
Domain: ".example2.com",
Expires: time.Date(2020, time.January, 2, 3, 4, 5, 0, time.UTC),
HttpOnly: false,
Name: "NAME2",
Path: "/path",
Secure: false,
Value: "VALUE2",
},
}
// Set the cookies.
if err := page.SetCookies(cookies); err != nil {
t.Fatal(err)
}
// Cookie with expiration should have string version set on return.
cookies[1].RawExpires = "Thu, 02 Jan 2020 03:04:05 GMT"
// Retrieve and verify the cookies.
if other, err := page.Cookies(); err != nil {
t.Fatal(err)
} else if len(other) != 2 {
t.Fatalf("unexpected cookie count: %d", len(other))
} else if !reflect.DeepEqual(other[0], cookies[0]) {
t.Fatalf("unexpected cookie(0): %#v", other[0])
} else if !reflect.DeepEqual(other[1], cookies[1]) {
t.Fatalf("unexpected cookie(1): %#v\n%#v", other[1], cookies[1])
}
}
// Ensure process can set and retrieve custom headers.
func TestWebPage_CustomHeaders(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Test data.
hdr := make(http.Header)
hdr.Set("FOO", "BAR")
hdr.Set("BAZ", "BAT")
// Set the headers.
if err := page.SetCustomHeaders(hdr); err != nil {
t.Fatal(err)
}
// Retrieve and verify the headers.
if other, err := page.CustomHeaders(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(other, hdr) {
t.Fatalf("unexpected value: %#v", other)
}
}
// Ensure web page can return the name of the currently focused frame.
func TestWebPage_FocusedFrameName(t *testing.T) {
// Mock external HTTP server.
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/":
w.Write([]byte(`<html><frameset rows="*,*"><frame name="FRAME1" src="/frame1.html"/><frame name="FRAME2" src="/frame2.html"/></frameset></html>`))
case "/frame1.html":
w.Write([]byte(`<html><body>FRAME 1</body></html>`))
case "/frame2.html":
w.Write([]byte(`<html><body><input autofocus/></body></html>`))
default:
http.NotFound(w, r)
}
}))
defer srv.Close()
// Start process.
p := MustOpenNewProcess()
defer p.MustClose()
// Create & open page.
page := p.MustCreateWebPage()
defer MustClosePage(page)
if err := page.Open(srv.URL); err != nil {
t.Fatal(err)
}
// Retrieve the focused frame.
if other, err := page.FocusedFrameName(); err != nil {
t.Fatal(err)
} else if other != "FRAME2" {
t.Fatalf("unexpected value: %#v", other)
}
}
// Ensure web page can set and retrieve frame content.
func TestWebPage_FrameContent(t *testing.T) {
// Mock external HTTP server.
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/":
w.Write([]byte(`<html><frameset rows="*,*"><frame name="FRAME1" src="/frame1.html"/><frame name="FRAME2" src="/frame2.html"/></frameset></html>`))
case "/frame1.html":
w.Write([]byte(`<html><body>FOO</body></html>`))
case "/frame2.html":
w.Write([]byte(`<html><body>BAR</body></html>`))
default:
http.NotFound(w, r)
}
}))
defer srv.Close()
// Start process.
p := MustOpenNewProcess()
defer p.MustClose()
// Create & open page.
page := p.MustCreateWebPage()
defer MustClosePage(page)
if err := page.Open(srv.URL); err != nil {
t.Fatal(err)
}
// Switch to frame and update content.
if err := page.SwitchToFrameName("FRAME2"); err != nil {
t.Fatal(err)
}
if err := page.SetFrameContent(`<html><body>NEW CONTENT</body></html>`); err != nil {
t.Fatal(err)
}
if other, err := page.FrameContent(); err != nil {
t.Fatal(err)
} else if other != `<html><head></head><body>NEW CONTENT</body></html>` {
t.Fatalf("unexpected value: %#v", other)
}
}
// Ensure web page can retrieve the current frame name.
func TestWebPage_FrameName(t *testing.T) {
// Mock external HTTP server.
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/":
w.Write([]byte(`<html><frameset rows="*,*"><frame name="FRAME1" src="/frame1.html"/><frame name="FRAME2" src="/frame2.html"/></frameset></html>`))
case "/frame1.html":
w.Write([]byte(`<html><body>FOO</body></html>`))
case "/frame2.html":
w.Write([]byte(`<html><body>BAR</body></html>`))
default:
http.NotFound(w, r)
}
}))
defer srv.Close()
// Start process.
p := MustOpenNewProcess()
defer p.MustClose()
// Create & open page.
page := p.MustCreateWebPage()
defer MustClosePage(page)
if err := page.Open(srv.URL); err != nil {
t.Fatal(err)
}
// Switch to frame and retrieve name.
if err := page.SwitchToFrameName("FRAME2"); err != nil {
t.Fatal(err)
}
if other, err := page.FrameName(); err != nil {
t.Fatal(err)
} else if other != `FRAME2` {
t.Fatalf("unexpected value: %#v", other)
}
}
// Ensure web page can retrieve frame content as plain text.
func TestWebPage_FramePlainText(t *testing.T) {
// Mock external HTTP server.
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/":
w.Write([]byte(`<html><frameset rows="*,*"><frame name="FRAME1" src="/frame1.html"/><frame name="FRAME2" src="/frame2.html"/></frameset></html>`))
case "/frame1.html":
w.Write([]byte(`<html><body>FOO</body></html>`))
case "/frame2.html":
w.Write([]byte(`<html><body>BAR</body></html>`))
default:
http.NotFound(w, r)
}
}))
defer srv.Close()
// Start process.
p := MustOpenNewProcess()
defer p.MustClose()
// Create & open page.
page := p.MustCreateWebPage()
defer MustClosePage(page)
if err := page.Open(srv.URL); err != nil {
t.Fatal(err)
}
// Switch to frame and update content.
if err := page.SwitchToFrameName("FRAME2"); err != nil {
t.Fatal(err)
}
if other, err := page.FramePlainText(); err != nil {
t.Fatal(err)
} else if other != `BAR` {
t.Fatalf("unexpected value: %#v", other)
}
}
// Ensure web page can retrieve the frame title.
func TestWebPage_FrameTitle(t *testing.T) {
// Mock external HTTP server.
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/":
w.Write([]byte(`<html><frameset rows="*,*"><frame name="FRAME1" src="/frame1.html"/><frame name="FRAME2" src="/frame2.html"/></frameset></html>`))
case "/frame1.html":
w.Write([]byte(`<html><body>FOO</body></html>`))
case "/frame2.html":
w.Write([]byte(`<html><head><title>TEST TITLE</title><body>BAR</body></html>`))
default:
http.NotFound(w, r)
}
}))
defer srv.Close()
// Start process.
p := MustOpenNewProcess()
defer p.MustClose()
// Create & open page.
page := p.MustCreateWebPage()
defer MustClosePage(page)
if err := page.Open(srv.URL); err != nil {
t.Fatal(err)
}
// Switch to frame and verify title.
if err := page.SwitchToFrameName("FRAME2"); err != nil {
t.Fatal(err)
}
if other, err := page.FrameTitle(); err != nil {
t.Fatal(err)
} else if other != `TEST TITLE` {
t.Fatalf("unexpected value: %#v", other)
}
}
// Ensure web page can retrieve the frame URL.
func TestWebPage_FrameURL(t *testing.T) {
// Mock external HTTP server.
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/":
w.Write([]byte(`<html><frameset rows="*,*"><frame name="FRAME1" src="/frame1.html"/><frame name="FRAME2" src="/frame2.html"/></frameset></html>`))
case "/frame1.html":
w.Write([]byte(`<html><body>FOO</body></html>`))
case "/frame2.html":
w.Write([]byte(`<html><body>BAR</body></html>`))
default:
http.NotFound(w, r)
}
}))
defer srv.Close()
// Start process.
p := MustOpenNewProcess()
defer p.MustClose()
// Create & open page.
page := p.MustCreateWebPage()
defer MustClosePage(page)
if err := page.Open(srv.URL); err != nil {
t.Fatal(err)
}
// Switch to frame and verify title.
if err := page.SwitchToFramePosition(1); err != nil {
t.Fatal(err)
}
if other, err := page.FrameURL(); err != nil {
t.Fatal(err)
} else if other != srv.URL+`/frame2.html` {
t.Fatalf("unexpected value: %#v", other)
}
}
// Ensure web page can retrieve the total frame count.
func TestWebPage_FrameCount(t *testing.T) {
// Mock external HTTP server.
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/":
w.Write([]byte(`<html><frameset rows="*,*"><frame name="FRAME1" src="/frame1.html"/><frame name="FRAME2" src="/frame2.html"/></frameset></html>`))
case "/frame1.html":
w.Write([]byte(`<html><body>FOO</body></html>`))
case "/frame2.html":
w.Write([]byte(`<html><body>BAR</body></html>`))
default:
http.NotFound(w, r)
}
}))
defer srv.Close()
// Start process.
p := MustOpenNewProcess()
defer p.MustClose()
// Create & open page.
page := p.MustCreateWebPage()
defer MustClosePage(page)
if err := page.Open(srv.URL); err != nil {
t.Fatal(err)
}
// Verify frame count.
if n, err := page.FrameCount(); err != nil {
t.Fatal(err)
} else if n != 2 {
t.Fatalf("unexpected value: %#v", n)
}
}
// Ensure web page can retrieve a list of frame names.
func TestWebPage_FrameNames(t *testing.T) {
// Mock external HTTP server.
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/":
w.Write([]byte(`<html><frameset rows="*,*"><frame name="FRAME1" src="/frame1.html"/><frame name="FRAME2" src="/frame2.html"/></frameset></html>`))
case "/frame1.html":
w.Write([]byte(`<html><body>FOO</body></html>`))
case "/frame2.html":
w.Write([]byte(`<html><body>BAR</body></html>`))
default:
http.NotFound(w, r)
}
}))
defer srv.Close()
// Start process.
p := MustOpenNewProcess()
defer p.MustClose()
// Create & open page.
page := p.MustCreateWebPage()
defer MustClosePage(page)
if err := page.Open(srv.URL); err != nil {
t.Fatal(err)
}
// Verify frame count.
if other, err := page.FrameNames(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(other, []string{"FRAME1", "FRAME2"}) {
t.Fatalf("unexpected value: %#v", other)
}
}
// Ensure process can set and retrieve the library path.
func TestWebPage_LibraryPath(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Verify initial path is equal to process path.
if v, err := page.LibraryPath(); err != nil {
t.Fatal(err)
} else if v != p.Path() {
t.Fatalf("unexpected path: %s", v)
}
// Set the library path & verify it changed.
if err := page.SetLibraryPath("/tmp"); err != nil {
t.Fatal(err)
}
if v, err := page.LibraryPath(); err != nil {
t.Fatal(err)
} else if v != `/tmp` {
t.Fatalf("unexpected path: %s", v)
}
}
// Ensure process can set and retrieve whether the navigation is locked.
func TestWebPage_NavigationLocked(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Set the navigation lock & verify it changed.
if err := page.SetNavigationLocked(true); err != nil {
t.Fatal(err)
}
if v, err := page.NavigationLocked(); err != nil {
t.Fatal(err)
} else if !v {
t.Fatal("expected navigation locked")
}
}
// Ensure process can retrieve the offline storage path.
func TestWebPage_OfflineStoragePath(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Retrieve storage path and ensure it's not blank.
if v, err := page.OfflineStoragePath(); err != nil {
t.Fatal(err)
} else if v == `` {
t.Fatal("expected path")
}
}
// Ensure process can set and retrieve the offline storage quota.
func TestWebPage_OfflineStorageQuota(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Retrieve storage quota and ensure it's non-zero.
if v, err := page.OfflineStorageQuota(); err != nil {
t.Fatal(err)
} else if v == 0 {
t.Fatal("expected quota")
}
}
// Ensure process can set and retrieve whether the page owns other opened pages.
func TestWebPage_OwnsPages(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Set value & verify it changed.
if err := page.SetOwnsPages(true); err != nil {
t.Fatal(err)
}
if v, err := page.OwnsPages(); err != nil {
t.Fatal(err)
} else if !v {
t.Fatal("expected true")
}
}
// Ensure process can retrieve a list of window names opened by the page.
func TestWebPage_PageWindowNames(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Set content to open windows.
if err := page.SetOwnsPages(true); err != nil {
t.Fatal(err)
}
if err := page.SetContent(`<html><body><a id="link" target="win1" href="/win1.html">CLICK ME</a></body></html>`); err != nil {
t.Fatal(err)
}
// Click the link.
if _, err := page.EvaluateJavaScript(`function() { document.body.querySelector("#link").click() }`); err != nil {
t.Fatal(err)
}
// Retrieve a list of window names.
if names, err := page.PageWindowNames(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(names, []string{"win1"}) {
t.Fatalf("unexpected names: %+v", names)
}
}
// Ensure process can retrieve a list of owned web pages.
func TestWebPage_Pages(t *testing.T) {
// Mock external HTTP server.
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/":
w.Write([]byte(`<html><body><a id="link" target="win1" href="/win1.html">CLICK ME</a></body></html>`))
case "/win1.html":
w.Write([]byte(`<html><body>FOO</body></html>`))
default:
http.NotFound(w, r)
}
}))
defer srv.Close()
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Open root page.
if err := page.SetOwnsPages(true); err != nil {
t.Fatal(err)
}
if err := page.Open(srv.URL); err != nil {
t.Fatal(err)
}
// Click the link.
if _, err := page.EvaluateJavaScript(`function() { document.body.querySelector("#link").click() }`); err != nil {
t.Fatal(err)
}
// Retrieve a list of window names.
if pages, err := page.Pages(); err != nil {
t.Fatal(err)
} else if len(pages) != 1 {
t.Fatalf("unexpected count: %d", len(pages))
} else if u, err := pages[0].URL(); err != nil {
t.Fatal(err)
} else if u != srv.URL+`/win1.html` {
t.Fatalf("unexpected url: %s", u)
} else if name, err := pages[0].WindowName(); err != nil {
t.Fatal(err)
} else if name != `win1` {
t.Fatalf("unexpected window name: %s", name)
}
}
// Ensure process can set and retrieve the sizing options used for printing.
func TestWebPage_PaperSize(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
// Ensure initial size is the zero value.
t.Run("Initial", func(t *testing.T) {
page := p.MustCreateWebPage()
defer MustClosePage(page)
if sz, err := page.PaperSize(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(sz, phantomjs.PaperSize{}) {
t.Fatalf("unexpected size: %#v", sz)
}
})
// Ensure width/height can be set.
t.Run("WidthHeight", func(t *testing.T) {
page := p.MustCreateWebPage()
defer MustClosePage(page)
sz := phantomjs.PaperSize{Width: "5in", Height: "10in"}
if err := page.SetPaperSize(sz); err != nil {
t.Fatal(err)
}
if other, err := page.PaperSize(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(other, sz) {
t.Fatalf("unexpected size: %#v", other)
}
})
// Ensure format can be set.
t.Run("Format", func(t *testing.T) {
page := p.MustCreateWebPage()
defer MustClosePage(page)
sz := phantomjs.PaperSize{Format: "A4"}
if err := page.SetPaperSize(sz); err != nil {
t.Fatal(err)
}
if other, err := page.PaperSize(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(other, sz) {
t.Fatalf("unexpected size: %#v", other)
}
})
// Ensure orientation can be set.
t.Run("Orientation", func(t *testing.T) {
page := p.MustCreateWebPage()
defer MustClosePage(page)
sz := phantomjs.PaperSize{Orientation: "landscape"}
if err := page.SetPaperSize(sz); err != nil {
t.Fatal(err)
}
if other, err := page.PaperSize(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(other, sz) {
t.Fatalf("unexpected size: %#v", other)
}
})
// Ensure margins can be set.
t.Run("Margin", func(t *testing.T) {
page := p.MustCreateWebPage()
defer MustClosePage(page)
sz := phantomjs.PaperSize{
Margin: &phantomjs.PaperSizeMargin{
Top: "1in",
Bottom: "2in",
Left: "3in",
Right: "4in",
},
}
if err := page.SetPaperSize(sz); err != nil {
t.Fatal(err)
}
if other, err := page.PaperSize(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(other, sz) {
t.Fatalf("unexpected size: %#v", other)
}
})
}
// Ensure process can retrieve the plain text representation of a page.
func TestWebPage_PlainText(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Set content & verify plain text.
if err := page.SetContent(`<html><body>FOO</body></html>`); err != nil {
t.Fatal(err)
}
if v, err := page.PlainText(); err != nil {
t.Fatal(err)
} else if v != `FOO` {
t.Fatalf("unexpected plain text: %s", v)
}
}
// Ensure process can set and retrieve the scroll position of the page.
func TestWebPage_ScrollPosition(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Set and verify position.
pos := phantomjs.Position{Top: 10, Left: 20}
if err := page.SetScrollPosition(pos); err != nil {
t.Fatal(err)
}
if other, err := page.ScrollPosition(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(other, pos) {
t.Fatalf("unexpected position: %#v", pos)
}
}
// Ensure process can set and retrieve page settings.
func TestWebPage_Settings(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Set and verify settings.
settings := phantomjs.WebPageSettings{
JavascriptEnabled: true,
LoadImages: true,
LocalToRemoteURLAccessEnabled: true,
UserAgent: "Mozilla/5.0",
Username: "susy",
Password: "pass",
XSSAuditingEnabled: true,
WebSecurityEnabled: true,
ResourceTimeout: 10 * time.Second,
}
if err := page.SetSettings(settings); err != nil {
t.Fatal(err)
}
if other, err := page.Settings(); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(other, settings) {
t.Fatalf("unexpected settings: %#v", other)
}
}
// Ensure process can retrieve the title of a page.
func TestWebPage_Title(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Set & verify title.
if err := page.SetContent(`<html><head><title>FOO</title></head><body>BAR</body></html>`); err != nil {
t.Fatal(err)
}
if v, err := page.Title(); err != nil {
t.Fatal(err)
} else if v != `FOO` {
t.Fatalf("unexpected plain text: %s", v)
}
}
// Ensure process can set and retrieve the viewport size.
func TestWebPage_ViewportSize(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Set and verify size.
if err := page.SetViewportSize(100, 200); err != nil {
t.Fatal(err)
}
if w, h, err := page.ViewportSize(); err != nil {
t.Fatal(err)
} else if w != 100 || h != 200 {
t.Fatalf("unexpected size: w=%d, h=%d", w, h)
}
}
// Ensure process can set and retrieve the zoom factor on the page.
func TestWebPage_ZoomFactor(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Set factor & verify it changed.
if err := page.SetZoomFactor(2.5); err != nil {
t.Fatal(err)
}
if v, err := page.ZoomFactor(); err != nil {
t.Fatal(err)
} else if v != 2.5 {
t.Fatalf("unexpected zoom factor: %f", v)
}
}
// Ensure process can add a cookie to the page.
func TestWebPage_AddCookie(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Test data.
cookie := &http.Cookie{
Domain: ".example1.com",
HttpOnly: true,
Name: "NAME1",
Path: "/",
Secure: true,
Value: "VALUE1",
}
// Add the cookie.
if v, err := page.AddCookie(cookie); err != nil {
t.Fatal(err)
} else if !v {
t.Fatal("could not add cookie")
}
// Retrieve and verify the cookies.
if other, err := page.Cookies(); err != nil {
t.Fatal(err)
} else if len(other) != 1 {
t.Fatalf("unexpected cookie count: %d", len(other))
} else if !reflect.DeepEqual(other[0], cookie) {
t.Fatalf("unexpected cookie(0): %#v", other)
}
}
// Ensure process can clear all cookies on the page.
func TestWebPage_ClearCookies(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Add a cookie.
if v, err := page.AddCookie(&http.Cookie{Domain: ".example1.com", Name: "NAME1", Path: "/", Value: "VALUE1"}); err != nil {
t.Fatal(err)
} else if !v {
t.Fatal("could not add cookie")
} else if cookies, err := page.Cookies(); err != nil {
t.Fatal(err)
} else if len(cookies) != 1 {
t.Fatalf("unexpected cookie count: %d", len(cookies))
}
// Clear cookies and verify they are gone.
if err := page.ClearCookies(); err != nil {
t.Fatal(err)
}
if cookies, err := page.Cookies(); err != nil {
t.Fatal(err)
} else if len(cookies) != 0 {
t.Fatalf("unexpected cookie count: %d", len(cookies))
}
}
// Ensure process can delete a single cookie on the page.
func TestWebPage_DeleteCookie(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Add a cookies.
if v, err := page.AddCookie(&http.Cookie{Domain: ".example1.com", Name: "NAME1", Path: "/", Value: "VALUE1"}); err != nil {
t.Fatal(err)
} else if !v {
t.Fatal("could not add cookie")
}
if v, err := page.AddCookie(&http.Cookie{Domain: ".example1.com", Name: "NAME2", Path: "/", Value: "VALUE2"}); err != nil {
t.Fatal(err)
} else if !v {
t.Fatal("could not add cookie")
}
if cookies, err := page.Cookies(); err != nil {
t.Fatal(err)
} else if len(cookies) != 2 {
t.Fatalf("unexpected cookie count: %d", len(cookies))
}
// Delete first cookie.
if v, err := page.DeleteCookie("NAME1"); err != nil {
t.Fatal(err)
} else if !v {
t.Fatal("could not delete cookie")
}
if cookies, err := page.Cookies(); err != nil {
t.Fatal(err)
} else if len(cookies) != 1 {
t.Fatalf("unexpected cookie count: %d", len(cookies))
} else if cookies[0].Name != "NAME2" {
t.Fatalf("unexpected cookie(0) name: %s", cookies[0].Name)
}
}
// Ensure process can execute JavaScript asynchronously.
// This function relies on time so it is inherently flakey.
func TestWebPage_EvaluateAsync(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
// Execute after one second.
if err := page.EvaluateAsync(`function() { window.testValue = "OK" }`, 1*time.Second); err != nil {
t.Fatal(err)
}
// Value should not be set immediately.
if value, err := page.EvaluateJavaScript(`function() { return window.testValue }`); err != nil {
t.Fatal(err)
} else if value != nil {
t.Fatalf("unexpected value: %#v", value)
}
// Wait a bit.
time.Sleep(2 * time.Second)
// Value should hopefully be set now.
if value, err := page.EvaluateJavaScript(`function() { return window.testValue }`); err != nil {
t.Fatal(err)
} else if value != "OK" {
t.Fatalf("unexpected value: %#v", value)
}
}
// Ensure process can execute JavaScript in the context of a web page.
func TestWebPage_Evaluate(t *testing.T) {
p := MustOpenNewProcess()
defer p.MustClose()
page := p.MustCreateWebPage()
defer MustClosePage(page)
if err := page.SetContent(`<html><head><title>FOO</title></head><body>BAR</body></html>`); err != nil {
t.Fatal(err)
}
// Retrieve title.
if value, err := page.EvaluateJavaScript(`function() { return document.title }`); err != nil {
t.Fatal(err)
} else if value != "FOO" {
t.Fatalf("unexpected value: %#v", value)
}
}