remove some nose from test_capture.py

IPython/utils/tests/test_capture.py

@@ -15,7 +15,6 b''
 
 import sys
 
-import nose.tools as nt
 import pytest
 
 from IPython.testing.decorators import skip_iptest_but_not_pytest
@@ -75,18 +74,18 b' def test_rich_output_empty(method_mime):'
     """RichOutput with no args"""
     rich = capture.RichOutput()
     method, mime = method_mime
-    nt.assert_equal(getattr(rich, method)(), None)
+    assert getattr(rich, method)() is None
     
 def test_rich_output():
     """test RichOutput basics"""
     data = basic_data
     metadata = basic_metadata
     rich = capture.RichOutput(data=data, metadata=metadata)
-    nt.assert_equal(rich._repr_html_(), data["text/html"])
-    nt.assert_equal(rich._repr_png_(), (data["image/png"], metadata["image/png"]))
-    nt.assert_equal(rich._repr_latex_(), None)
-    nt.assert_equal(rich._repr_javascript_(), None)
-    nt.assert_equal(rich._repr_svg_(), None)
+    assert rich._repr_html_() == data["text/html"]
+    assert rich._repr_png_() == (data["image/png"], metadata["image/png"])
+    assert rich._repr_latex_() is None
+    assert rich._repr_javascript_() is None
+    assert rich._repr_svg_() is None
 
 
 @skip_iptest_but_not_pytest
@@ -96,7 +95,7 b' def test_rich_output_no_metadata(method_mime):'
     data = full_data
     rich = capture.RichOutput(data=data)
     method, mime = method_mime
-    nt.assert_equal(getattr(rich, method)(), data[mime])
+    assert getattr(rich, method)() == data[mime]
 
 
 @skip_iptest_but_not_pytest
@@ -107,7 +106,7 b' def test_rich_output_metadata(method_mime):'
     metadata = full_metadata
     rich = capture.RichOutput(data=data, metadata=metadata)
     method, mime = method_mime
-    nt.assert_equal(getattr(rich, method)(), (data[mime], metadata[mime]))
+    assert getattr(rich, method)() == (data[mime], metadata[mime])
 
 def test_rich_output_display():
     """test RichOutput.display
@@ -119,10 +118,10 b' def test_rich_output_display():'
     rich = capture.RichOutput(data=data)
     with capture.capture_output() as cap:
         rich.display()
-    nt.assert_equal(len(cap.outputs), 1)
+    assert len(cap.outputs) == 1
     rich2 = cap.outputs[0]
-    nt.assert_equal(rich2.data, rich.data)
-    nt.assert_equal(rich2.metadata, rich.metadata)
+    assert rich2.data == rich.data
+    assert rich2.metadata == rich.metadata
 
 def test_capture_output():
     """capture_output works"""
@@ -131,8 +130,8 b' def test_capture_output():'
         print(hello_stdout, end="")
         print(hello_stderr, end="", file=sys.stderr)
         rich.display()
-    nt.assert_equal(hello_stdout, cap.stdout)
-    nt.assert_equal(hello_stderr, cap.stderr)
+    assert hello_stdout == cap.stdout
+    assert hello_stderr == cap.stderr
 
 
 def test_capture_output_no_stdout():
@@ -142,9 +141,9 b' def test_capture_output_no_stdout():'
         print(hello_stdout, end="")
         print(hello_stderr, end="", file=sys.stderr)
         rich.display()
-    nt.assert_equal("", cap.stdout)
-    nt.assert_equal(hello_stderr, cap.stderr)
-    nt.assert_equal(len(cap.outputs), 1)
+    assert "" == cap.stdout
+    assert hello_stderr == cap.stderr
+    assert len(cap.outputs) == 1
 
 
 def test_capture_output_no_stderr():
@@ -155,9 +154,9 b' def test_capture_output_no_stderr():'
         print(hello_stdout, end="")
         print(hello_stderr, end="", file=sys.stderr)
         rich.display()
-    nt.assert_equal(hello_stdout, cap.stdout)
-    nt.assert_equal("", cap.stderr)
-    nt.assert_equal(len(cap.outputs), 1)
+    assert hello_stdout == cap.stdout
+    assert "" == cap.stderr
+    assert len(cap.outputs) == 1
 
 
 def test_capture_output_no_display():
@@ -167,6 +166,6 b' def test_capture_output_no_display():'
         print(hello_stdout, end="")
         print(hello_stderr, end="", file=sys.stderr)
         rich.display()
-    nt.assert_equal(hello_stdout, cap.stdout)
-    nt.assert_equal(hello_stderr, cap.stderr)
-    nt.assert_equal(cap.outputs, [])
+    assert hello_stdout == cap.stdout
+    assert hello_stderr == cap.stderr
+    assert cap.outputs == []