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* test for no cors headers * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * fix tests * suggested changes * disable directly * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * add error message * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * improve test * improve error message * remove py-config tag from cors test --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
491 lines
15 KiB
Python
491 lines
15 KiB
Python
import re
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import textwrap
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import pytest
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from .support import JsErrors, JsErrorsDidNotRaise, PyScriptTest, with_execution_thread
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@with_execution_thread(None)
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class TestSupport(PyScriptTest):
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"""
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These are NOT tests about PyScript.
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They test the PyScriptTest class, i.e. we want to ensure that all the
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testing machinery that we have works correctly.
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"""
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def test_basic(self):
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"""
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Very basic test, just to check that we can write, serve and read a simple
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HTML (no pyscript yet)
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"""
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doc = """
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<html>
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<body>
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<h1>Hello world</h1>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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content = self.page.content()
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assert "<h1>Hello world</h1>" in content
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def test_await_with_run_js(self):
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self.run_js(
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"""
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function resolveAfter200MilliSeconds(x) {
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return new Promise((resolve) => {
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setTimeout(() => {
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resolve(x);
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}, 200);
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});
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}
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const x = await resolveAfter200MilliSeconds(10);
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console.log(x);
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"""
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)
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assert self.console.log.lines[-1] == "10"
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def test_console(self):
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"""
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Test that we capture console.log messages correctly.
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"""
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doc = """
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<html>
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<body>
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<script>
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console.log("my log 1");
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console.debug("my debug");
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console.info("my info");
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console.error("my error");
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console.warn("my warning");
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console.log("my log 2");
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</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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assert len(self.console.all.messages) == 6
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assert self.console.all.lines == [
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"my log 1",
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"my debug",
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"my info",
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"my error",
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"my warning",
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"my log 2",
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]
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# fmt: off
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assert self.console.all.text == textwrap.dedent("""
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my log 1
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my debug
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my info
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my error
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my warning
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my log 2
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""").strip()
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# fmt: on
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assert self.console.log.lines == ["my log 1", "my log 2"]
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assert self.console.debug.lines == ["my debug"]
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def test_check_js_errors_simple(self):
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doc = """
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<html>
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<body>
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<script>throw new Error('this is an error');</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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with pytest.raises(JsErrors) as exc:
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self.check_js_errors()
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# check that the exception message contains the error message and the
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# stack trace
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msg = str(exc.value)
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expected = textwrap.dedent(
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f"""
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JS errors found: 1
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Error: this is an error
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at {self.http_server_addr}/mytest.html:.*
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"""
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).strip()
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assert re.search(expected, msg)
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#
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# after a call to check_js_errors, the errors are cleared
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self.check_js_errors()
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#
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# JS exceptions are also available in self.console.js_error
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assert self.console.js_error.lines[0].startswith("Error: this is an error")
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def test_check_js_errors_expected(self):
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doc = """
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<html>
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<body>
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<script>throw new Error('this is an error');</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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self.check_js_errors("this is an error")
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def test_check_js_errors_expected_but_didnt_raise(self):
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doc = """
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<html>
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<body>
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<script>throw new Error('this is an error 2');</script>
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<script>throw new Error('this is an error 4');</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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with pytest.raises(JsErrorsDidNotRaise) as exc:
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self.check_js_errors(
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"this is an error 1",
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"this is an error 2",
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"this is an error 3",
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"this is an error 4",
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)
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#
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msg = str(exc.value)
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expected = textwrap.dedent(
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"""
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The following JS errors were expected but could not be found:
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- this is an error 1
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- this is an error 3
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"""
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).strip()
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assert re.search(expected, msg)
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def test_check_js_errors_multiple(self):
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doc = """
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<html>
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<body>
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<script>throw new Error('error 1');</script>
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<script>throw new Error('error 2');</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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with pytest.raises(JsErrors) as exc:
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self.check_js_errors()
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#
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msg = str(exc.value)
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expected = textwrap.dedent(
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"""
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JS errors found: 2
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Error: error 1
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at https://fake_server/mytest.html:.*
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Error: error 2
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at https://fake_server/mytest.html:.*
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"""
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).strip()
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assert re.search(expected, msg)
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#
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# check that errors are cleared
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self.check_js_errors()
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def test_check_js_errors_some_expected_but_others_not(self):
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doc = """
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<html>
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<body>
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<script>throw new Error('expected 1');</script>
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<script>throw new Error('NOT expected 2');</script>
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<script>throw new Error('expected 3');</script>
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<script>throw new Error('NOT expected 4');</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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with pytest.raises(JsErrors) as exc:
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self.check_js_errors("expected 1", "expected 3")
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#
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msg = str(exc.value)
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expected = textwrap.dedent(
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"""
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JS errors found: 2
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Error: NOT expected 2
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at https://fake_server/mytest.html:.*
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Error: NOT expected 4
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at https://fake_server/mytest.html:.*
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"""
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).strip()
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assert re.search(expected, msg)
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def test_check_js_errors_expected_not_found_but_other_errors(self):
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doc = """
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<html>
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<body>
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<script>throw new Error('error 1');</script>
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<script>throw new Error('error 2');</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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with pytest.raises(JsErrorsDidNotRaise) as exc:
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self.check_js_errors("this is not going to be found")
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#
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msg = str(exc.value)
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expected = textwrap.dedent(
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"""
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The following JS errors were expected but could not be found:
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- this is not going to be found
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---
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The following JS errors were raised but not expected:
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Error: error 1
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at https://fake_server/mytest.html:.*
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Error: error 2
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at https://fake_server/mytest.html:.*
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"""
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).strip()
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assert re.search(expected, msg)
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def test_clear_js_errors(self):
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doc = """
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<html>
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<body>
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<script>throw new Error('this is an error');</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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self.clear_js_errors()
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# self.check_js_errors does not raise, because the errors have been
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# cleared
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self.check_js_errors()
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def test_wait_for_console_simple(self):
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"""
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Test that self.wait_for_console actually waits.
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If it's buggy, the test will try to read self.console.log BEFORE the
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log has been written and it will fail.
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"""
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doc = """
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<html>
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<body>
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<script>
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setTimeout(function() {
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console.log('Page loaded!');
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}, 100);
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</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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# we use a timeout of 200ms to give plenty of time to the page to
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# actually run the setTimeout callback
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self.wait_for_console("Page loaded!", timeout=200)
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assert self.console.log.lines[-1] == "Page loaded!"
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def test_wait_for_console_timeout(self):
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doc = """
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<html>
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<body>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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with pytest.raises(TimeoutError):
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self.wait_for_console("This text will never be printed", timeout=200)
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def test_wait_for_console_dont_wait_if_already_emitted(self):
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"""
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If the text is already on the console, wait_for_console() should return
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immediately without waiting.
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"""
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doc = """
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<html>
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<body>
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<script>
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console.log('Hello world')
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console.log('Page loaded!');
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</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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self.wait_for_console("Page loaded!", timeout=200)
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assert self.console.log.lines[-2] == "Hello world"
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assert self.console.log.lines[-1] == "Page loaded!"
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# the following call should return immediately without waiting
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self.wait_for_console("Hello world", timeout=1)
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def test_wait_for_console_exception_1(self):
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"""
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Test that if a JS exception is raised while waiting for the console, we
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report the exception and not the timeout.
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There are two main cases:
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1. there is an exception and the console message does not appear
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2. there is an exception but the console message appears anyway
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This test checks for case 1. Case 2 is tested by
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test_wait_for_console_exception_2
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"""
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# case 1: there is an exception and the console message does not appear
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doc = """
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<html>
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<body>
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<script>throw new Error('this is an error');</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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# "Page loaded!" will never appear, of course.
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self.goto("mytest.html")
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with pytest.raises(JsErrors) as exc:
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self.wait_for_console("Page loaded!", timeout=200)
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assert "this is an error" in str(exc.value)
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assert isinstance(exc.value.__context__, TimeoutError)
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#
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# if we use check_js_errors=False, the error are ignored, but we get the
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# Timeout anyway
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self.goto("mytest.html")
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with pytest.raises(TimeoutError):
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self.wait_for_console("Page loaded!", timeout=200, check_js_errors=False)
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# we still got a JsErrors, so we need to manually clear it, else the
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# test fails at teardown
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self.clear_js_errors()
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def test_wait_for_console_exception_2(self):
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"""
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See the description in test_wait_for_console_exception_1.
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"""
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# case 2: there is an exception, but the console message appears
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doc = """
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<html>
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<body>
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<script>
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setTimeout(function() {
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console.log('Page loaded!');
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}, 100);
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throw new Error('this is an error');
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</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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with pytest.raises(JsErrors) as exc:
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self.wait_for_console("Page loaded!", timeout=200)
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assert "this is an error" in str(exc.value)
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#
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# with check_js_errors=False, the Error is ignored and the
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# wait_for_console succeeds
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self.goto("mytest.html")
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self.wait_for_console("Page loaded!", timeout=200, check_js_errors=False)
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# clear the errors, else the test fails at teardown
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self.clear_js_errors()
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def test_wait_for_console_match_substring(self):
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doc = """
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<html>
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<body>
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<script>
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console.log('Foo Bar Baz');
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</script>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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with pytest.raises(TimeoutError):
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self.wait_for_console("Bar", timeout=200)
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#
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self.wait_for_console("Bar", timeout=200, match_substring=True)
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assert self.console.log.lines[-1] == "Foo Bar Baz"
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def test_iter_locator(self):
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doc = """
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<html>
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<body>
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<div>foo</div>
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<div>bar</div>
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<div>baz</div>
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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self.goto("mytest.html")
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divs = self.page.locator("div")
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assert divs.count() == 3
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texts = [el.inner_text() for el in self.iter_locator(divs)]
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assert texts == ["foo", "bar", "baz"]
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def test_smartrouter_cache(self):
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if self.router is None:
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pytest.skip("Cannot test SmartRouter with --dev")
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# this is not an image but who cares, I just want the browser to make
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# an HTTP request
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URL = "https://raw.githubusercontent.com/pyscript/pyscript/main/README.md"
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doc = f"""
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<html>
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<body>
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<img src="{URL}">
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</body>
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</html>
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"""
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self.writefile("mytest.html", doc)
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#
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self.router.clear_cache(URL)
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self.goto("mytest.html")
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assert self.router.requests == [
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(200, "fake_server", "https://fake_server/mytest.html"),
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(200, "NETWORK", URL),
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]
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#
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# let's visit the page again, now it should be cached
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self.goto("mytest.html")
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assert self.router.requests == [
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# 1st visit
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(200, "fake_server", "https://fake_server/mytest.html"),
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(200, "NETWORK", URL),
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# 2nd visit
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(200, "fake_server", "https://fake_server/mytest.html"),
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(200, "CACHED", URL),
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]
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def test_404(self):
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"""
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Test that we capture a 404 in loading a page that does not exist.
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"""
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self.goto("this_url_does_not_exist.html")
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assert [
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"Failed to load resource: the server responded with a status of 404 (Not Found)"
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] == self.console.all.lines
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def test__pyscript_format_inject_execution_thread(self):
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"""
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This is slightly different than other tests: it doesn't use playwright, it
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just tests that our own internal helper works
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"""
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doc = self._pyscript_format("<b>Hello</b>", execution_thread="main")
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cfg = self._parse_py_config(doc)
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assert cfg == {"execution_thread": "main"}
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def test__pyscript_format_modify_existing_py_config(self):
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src = """
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<py-config>
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hello = 42
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</py-config>
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"""
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doc = self._pyscript_format(src, execution_thread="main")
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cfg = self._parse_py_config(doc)
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assert cfg == {"execution_thread": "main", "hello": 42}
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