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doc(dotnet): add a self-contained example (#6702)

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Pavel Feldman 2021-05-22 07:55:53 -07:00 committed by GitHub
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12 changed files with 114 additions and 99 deletions
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2
docs/src/api/class-browser.md
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@ -65,7 +65,7 @@ with sync_playwright() as playwright:
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public static async Task Main() public static async Task Main()
{ {

22
docs/src/api/class-frame.md
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@ -1534,19 +1534,19 @@ using System.Threading.Tasks;
class FrameExamples class FrameExamples
{ {
public static async Task Main() public static async Task Main()
{
using var playwright = await Playwright.CreateAsync();
await using var browser = await playwright.Chromium.LaunchAsync();
var page = await browser.NewPageAsync();
foreach (var currentUrl in new[] { "https://www.google.com", "https://bbc.com" })
{ {
await page.GotoAsync(currentUrl); using var playwright = await Playwright.CreateAsync();
element = await page.MainFrame.WaitForSelectorAsync("img"); await using var browser = await playwright.Chromium.LaunchAsync();
Console.WriteLine($"Loaded image: {await element.GetAttributeAsync("src")}"); var page = await browser.NewPageAsync();
foreach (var currentUrl in new[] { "https://www.google.com", "https://bbc.com" })
{
await page.GotoAsync(currentUrl);
element = await page.MainFrame.WaitForSelectorAsync("img");
Console.WriteLine($"Loaded image: {await element.GetAttributeAsync("src")}");
}
} }
}
} }
``` ```

86
docs/src/api/class-page.md
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@ -1406,26 +1406,26 @@ using System.Threading.Tasks;
class PageExamples class PageExamples
{ {
public static async Task Main() public static async Task Main()
{ {
using var playwright = await Playwright.CreateAsync(); using var playwright = await Playwright.CreateAsync();
await using var browser = await playwright.Webkit.LaunchAsync(new BrowserTypeLaunchOptions await using var browser = await playwright.Webkit.LaunchAsync(new BrowserTypeLaunchOptions
{ {
Headless: false Headless: false
}); });
var page = await browser.NewPageAsync(); var page = await browser.NewPageAsync();
await page.ExposeBindingAsync("pageUrl", (source) => source.Page.Url); await page.ExposeBindingAsync("pageUrl", (source) => source.Page.Url);
await page.SetContentAsync("<script>\n" + await page.SetContentAsync("<script>\n" +
" async function onClick() {\n" + " async function onClick() {\n" +
" document.querySelector('div').textContent = await window.pageURL();\n" + " document.querySelector('div').textContent = await window.pageURL();\n" +
" }\n" + " }\n" +
"</script>\n" + "</script>\n" +
"<button onclick=\"onClick()\">Click me</button>\n" + "<button onclick=\"onClick()\">Click me</button>\n" +
"<div></div>"); "<div></div>");
await page.ClickAsync("button"); await page.ClickAsync("button");
} }
} }
``` ```
@ -1664,34 +1664,34 @@ using System.Threading.Tasks;
class PageExamples class PageExamples
{ {
public static async Task Main() public static async Task Main()
{ {
using var playwright = await Playwright.CreateAsync(); using var playwright = await Playwright.CreateAsync();
await using var browser = await playwright.Webkit.LaunchAsync(new BrowserTypeLaunchOptions await using var browser = await playwright.Webkit.LaunchAsync(new BrowserTypeLaunchOptions
{ {
Headless: false Headless: false
}); });
var page = await browser.NewPageAsync(); var page = await browser.NewPageAsync();
// NOTE: md5 is inherently insecure, and we strongly discourage using // NOTE: md5 is inherently insecure, and we strongly discourage using
// this in production in any shape or form // this in production in any shape or form
await page.ExposeFunctionAsync("sha1", (string input) => await page.ExposeFunctionAsync("sha1", (string input) =>
{ {
return Convert.ToBase64String( return Convert.ToBase64String(
MD5.Create().ComputeHash(System.Text.Encoding.UTF8.GetBytes(input))); MD5.Create().ComputeHash(System.Text.Encoding.UTF8.GetBytes(input)));
}); });
await page.SetContentAsync("<script>\n" + await page.SetContentAsync("<script>\n" +
" async function onClick() {\n" + " async function onClick() {\n" +
" document.querySelector('div').textContent = await window.sha1('PLAYWRIGHT');\n" + " document.querySelector('div').textContent = await window.sha1('PLAYWRIGHT');\n" +
" }\n" + " }\n" +
"</script>\n" + "</script>\n" +
"<button onclick=\"onClick()\">Click me</button>\n" + "<button onclick=\"onClick()\">Click me</button>\n" +
"<div></div>"); "<div></div>");
await page.ClickAsync("button"); await page.ClickAsync("button");
Console.WriteLine(await page.TextContentAsync("div")); Console.WriteLine(await page.TextContentAsync("div"));
} }
} }
``` ```

20
docs/src/auth.md
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@ -332,17 +332,17 @@ with sync_playwright() as p:
```csharp ```csharp
using Microsoft.Playwright; using Microsoft.Playwright;
class Example class Program
{ {
public async void Main() public static async Task Main()
{ {
using var playwright = await Playwright.CreateAsync(); using var playwright = await Playwright.CreateAsync();
var chromium = playwright.Chromium; var chromium = playwright.Chromium;
var context = chromium.LaunchPersistentContextAsync(@"C:\path\to\directory\", new BrowserTypeLaunchPersistentContextOptions var context = chromium.LaunchPersistentContextAsync(@"C:\path\to\directory\", new BrowserTypeLaunchPersistentContextOptions
{ {
Headless = false Headless = false
}); });
} }
} }
``` ```

2
docs/src/browsers.md
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@ -71,7 +71,7 @@ browser = playwright.chromium.launch(channel="chrome")
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public static async Task Main() public static async Task Main()
{ {

8
docs/src/ci.md
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@ -270,9 +270,9 @@ browser = playwright.chromium.launch(chromiumSandbox=False)
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public async void Main() public static async Task Main()
{ {
using var playwright = await Playwright.CreateAsync(); using var playwright = await Playwright.CreateAsync();
await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions
@ -399,9 +399,9 @@ with sync_playwright() as p:
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public async void Main() public static async Task Main()
{ {
using var playwright = await Playwright.CreateAsync(); using var playwright = await Playwright.CreateAsync();
await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions

2
docs/src/cli.md
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@ -172,7 +172,7 @@ with sync_playwright() as p:
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public static async Task Main() public static async Task Main()
{ {

2
docs/src/core-concepts.md
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@ -67,7 +67,7 @@ with sync_playwright() as p:
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public static async Task Main() public static async Task Main()
{ {

22
docs/src/emulation.md
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@ -67,18 +67,18 @@ with sync_playwright() as playwright:
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public async void Main() public static async Task Main()
{ {
using var playwright = await Playwright.CreateAsync(); using var playwright = await Playwright.CreateAsync();
await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions
{ {
Headless: False Headless: False
}); });
var pixel2 = playwright.Devices["Pixel 2"]; var pixel2 = playwright.Devices["Pixel 2"];
await using var context = await browser.NewContextAsync(pixel2); await using var context = await browser.NewContextAsync(pixel2);
} }
} }
``` ```

25
docs/src/intro-csharp.md
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@ -20,7 +20,7 @@ dotnet add package Microsoft.Playwright
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public static async Task Main() public static async Task Main()
{ {
@ -33,26 +33,41 @@ class Example
## First script ## First script
In our first script, we will navigate to `whatsmyuseragent.org` and take a screenshot in WebKit. Create a console project and add the Playwright dependency.
```sh
dotnet new console -n pw_demo
cd pw_demo
dotnet add package Microsoft.Playwright --prerelease
```
Create a Program.cs that will navigate to `https://playwright.dev/dotnet` and take a screenshot in Chromium.
```csharp ```csharp
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public static async Task Main() public static async Task Main()
{ {
using var playwright = await Playwright.CreateAsync(); using var playwright = await Playwright.CreateAsync();
await using var browser = await playwright.Chromium.LaunchAsync(); await using var browser = await playwright.Chromium.LaunchAsync();
var page = await browser.NewPageAsync(); var page = await browser.NewPageAsync();
await page.GotoAsync("whatsmyuseragent.org"); await page.GotoAsync("https://playwright.dev/dotnet");
await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" }); await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });
} }
} }
``` ```
By default, Playwright runs the browsers in headless mode. To see the browser UI, pass the `headless: false` flag while launching the browser. You can also use [`option: slowMo`] to slow down execution. Learn more in the debugging tools [section](./debug.md). Now build it and run it.
```ssh
dotnet build
dotnet run
```
By default, Playwright runs the browsers in headless mode. To see the browser UI, pass the `Headless = false` flag while launching the browser. You can also use [`option: slowMo`] to slow down execution. Learn more in the debugging tools [section](./debug.md).
```csharp ```csharp
await playwright.Firefox.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false, SlowMo = 50 }); await playwright.Firefox.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false, SlowMo = 50 });

2
docs/src/multi-pages.md
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@ -87,7 +87,7 @@ with sync_playwright() as playwright:
using Microsoft.Playwright; using Microsoft.Playwright;
using System.Threading.Tasks; using System.Threading.Tasks;
class Example class Program
{ {
public static async Task Main() public static async Task Main()
{ {

20
docs/src/network.md
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@ -243,17 +243,17 @@ with sync_playwright() as playwright:
using Microsoft.Playwright; using Microsoft.Playwright;
using System; using System;
class Example class Program
{ {
public async void Main() public static async Task Main()
{ {
using var playwright = await Playwright.CreateAsync(); using var playwright = await Playwright.CreateAsync();
await using var browser = await playwright.Chromium.LaunchAsync(); await using var browser = await playwright.Chromium.LaunchAsync();
var page = await browser.NewPageAsync(); var page = await browser.NewPageAsync();
page.Request += (_, request) => Console.WriteLine(">> " + request.Method + " " + request.Url); page.Request += (_, request) => Console.WriteLine(">> " + request.Method + " " + request.Url);
page.Response += (_, response) => Console.WriteLine("<<" + response.Status + " " + response.Url); page.Response += (_, response) => Console.WriteLine("<<" + response.Status + " " + response.Url);
await page.GotoAsync("https://example.com"); await page.GotoAsync("https://example.com");
} }
} }
``` ```