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fa7a97ca30
* move current integration tests to the integration folder * move pyscript.py into its own python folder * change the path for python unit testing files * change pyscript.py path * Update Makefile * remove echo * replace conda run with pytest directly * oops, add python test files I embarrassingly forgot to add Co-authored-by: Peter W <34256109+pww217@users.noreply.github.com>
223 lines
6.9 KiB
Python
223 lines
6.9 KiB
Python
import textwrap
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import pytest
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from playwright import sync_api
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from .support import JsError, JsMultipleErrors, PyScriptTest
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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_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_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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with pytest.raises(JsError) as exc:
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self.check_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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assert "Error: this is an error" in msg
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assert f"at {self.http_server}/mytest.html" in msg
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#
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# after a call to check_errors, the errors are cleared
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self.check_errors()
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def test_check_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(JsMultipleErrors) as exc:
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self.check_errors()
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assert "error 1" in str(exc.value)
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assert "error 2" in str(exc.value)
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#
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# check that errors are cleared
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self.check_errors()
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def test_clear_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_errors()
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# self.check_errors does not raise, because the errors have been
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# cleared
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self.check_errors()
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def test_wait_for_console(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 500ms 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_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(JsError) 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__, sync_api.TimeoutError)
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#
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# if we use check_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(sync_api.TimeoutError):
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self.wait_for_console("Page loaded!", timeout=200, check_errors=False)
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# we still got a JsError, so we need to manually clear it, else the
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# test fails at teardown
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self.clear_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(JsError) 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_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_errors=False)
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# clear the errors, else the test fails at teardown
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self.clear_errors()
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