def test_basics(self):
a = ArrayStream()
self.assertEmpty(a)
self.assertContentsMatch(a, [])
a.flush()
self.assertEmpty(a)
self.assertContentsMatch(a, [])
a.write("foo")
a.write("bar")
self.assertNotEmpty(a)
self.assertContentsMatch(a, ["foo", "bar"])
a.flush()
self.assertNotEmpty(a)
self.assertContentsMatch(a, ["foo", "bar"])
a.reset()
self.assertEmpty(a)
self.assertContentsMatch(a, [])
self.assertEquals(str(a), "<ArrayStream: []>")
a.write("foo")
self.assertNotEmpty(a)
self.assertContentsMatch(a, ["foo"])
self.assertEquals(str(a), "<ArrayStream: ['foo']>")
def test_basics(self):
a = ArrayStream()
self.assertEmpty(a)
self.assertContentsMatch(a, [])
a.flush()
self.assertEmpty(a)
self.assertContentsMatch(a, [])
a.write("foo")
a.write("bar")
self.assertNotEmpty(a)
self.assertContentsMatch(a, ["foo", "bar"])
a.flush()
self.assertNotEmpty(a)
self.assertContentsMatch(a, ["foo", "bar"])
a.reset()
self.assertEmpty(a)
self.assertContentsMatch(a, [])
self.assertEquals(str(a), "<ArrayStream: []>")
a.write("foo")
self.assertNotEmpty(a)
self.assertContentsMatch(a, ["foo"])
self.assertEquals(str(a), "<ArrayStream: ['foo']>")
def test_regular(self):
a = ArrayStream()
m = metered_stream.MeteredStream(verbose=False, stream=a)
self.assertTrue(a.empty())
# basic test - note that the flush() is a no-op, but we include it
# for coverage.
m.write("foo")
m.flush()
exp = ['foo']
self.assertEquals(a.get(), exp)
# now check that a second write() does not overwrite the first.
m.write("bar")
exp.append('bar')
self.assertEquals(a.get(), exp)
m.update("batter")
exp.append('batter')
self.assertEquals(a.get(), exp)
# The next update() should overwrite the laste update() but not the
# other text. Note that the cursor is effectively positioned at the
# end of 'foo', even though we had to erase three more characters.
m.update("foo")
exp.append('\b\b\b\b\b\b \b\b\b\b\b\b')
exp.append('foo')
self.assertEquals(a.get(), exp)
m.progress("progress")
exp.append('\b\b\b \b\b\b')
exp.append('progress')
self.assertEquals(a.get(), exp)
# now check that a write() does overwrite the progress bar
m.write("foo")
exp.append('\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b')
exp.append('foo')
self.assertEquals(a.get(), exp)
# Now test that we only back up to the most recent newline.
# Note also that we do not back up to erase the most recent write(),
# i.e., write()s do not get erased.
a.reset()
m.update("foo\nbar")
m.update("baz")
self.assertEquals(a.get(), ['foo\nbar', '\b\b\b \b\b\b', 'baz'])
def test_regular(self):
a = ArrayStream()
m = metered_stream.MeteredStream(verbose=False, stream=a)
self.assertTrue(a.empty())
# basic test - note that the flush() is a no-op, but we include it
# for coverage.
m.write("foo")
m.flush()
exp = ['foo']
self.assertEquals(a.get(), exp)
# now check that a second write() does not overwrite the first.
m.write("bar")
exp.append('bar')
self.assertEquals(a.get(), exp)
m.update("batter")
exp.append('batter')
self.assertEquals(a.get(), exp)
# The next update() should overwrite the laste update() but not the
# other text. Note that the cursor is effectively positioned at the
# end of 'foo', even though we had to erase three more characters.
m.update("foo")
exp.append('\b\b\b\b\b\b \b\b\b\b\b\b')
exp.append('foo')
self.assertEquals(a.get(), exp)
m.progress("progress")
exp.append('\b\b\b \b\b\b')
exp.append('progress')
self.assertEquals(a.get(), exp)
# now check that a write() does overwrite the progress bar
m.write("foo")
exp.append('\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b')
exp.append('foo')
self.assertEquals(a.get(), exp)
# Now test that we only back up to the most recent newline.
# Note also that we do not back up to erase the most recent write(),
# i.e., write()s do not get erased.
a.reset()
m.update("foo\nbar")
m.update("baz")
self.assertEquals(a.get(), ['foo\nbar', '\b\b\b \b\b\b', 'baz'])
