Package jline.console.history

Examples of jline.console.history.MemoryHistory

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    }

    @Test
    public void testStoringHistoryWithExpandEventsOff() throws Exception {
        ConsoleReader reader = createConsole("foo ! bar\r\n");
        MemoryHistory history = new MemoryHistory();
        reader.setHistory(history);
        reader.setExpandEvents(false);

        String line = reader.readLine();
        assertEquals("foo ! bar", line);

        history.previous();
        assertEquals("foo ! bar", history.current());
    }
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        output = new ByteArrayOutputStream();
        reader = new ConsoleReader("test console reader", in, output, null);
    }

    private MemoryHistory setupHistory() {
        MemoryHistory history = new MemoryHistory();
        history.setMaxSize(10);
        history.add("foo");
        history.add("fiddle");
        history.add("faddle");
        reader.setHistory(history);
        return history;
    }
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        return history;
    }

    @Test
    public void testReverseHistorySearch() throws Exception {
        MemoryHistory history = setupHistory();

        String readLineResult;
        reader.setInput(new ByteArrayInputStream(new byte[]{KeyMap.CTRL_R, 'f', '\n'}));
        readLineResult = reader.readLine();
        assertEquals("faddle", readLineResult);
        assertEquals(3, history.size());

        reader.setInput(new ByteArrayInputStream(new byte[]{
                KeyMap.CTRL_R, 'f', KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_R, '\n'
        }));
        readLineResult = reader.readLine();
        assertEquals("foo", readLineResult);
        assertEquals(4, history.size());

        reader.setInput(new ByteArrayInputStream(new byte[]{KeyMap.CTRL_R, 'f', KeyMap.CTRL_R, KeyMap.CTRL_R, '\n'}));
        readLineResult = reader.readLine();
        assertEquals("fiddle", readLineResult);
        assertEquals(5, history.size());
    }
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        assertEquals(5, history.size());
    }

    @Test
    public void testForwardHistorySearch() throws Exception {
        MemoryHistory history = setupHistory();

        String readLineResult;
        reader.setInput(new ByteArrayInputStream(new byte[]{
                KeyMap.CTRL_R, 'f', KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_S, '\n'
        }));
        readLineResult = reader.readLine();
        assertEquals("fiddle", readLineResult);
        assertEquals(4, history.size());

        reader.setInput(new ByteArrayInputStream(new byte[]{
                KeyMap.CTRL_R, 'f', KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_S, KeyMap.CTRL_S, '\n'
        }));
        readLineResult = reader.readLine();
        assertEquals("faddle", readLineResult);
        assertEquals(5, history.size());

        reader.setInput(new ByteArrayInputStream(new byte[]{
                KeyMap.CTRL_R, 'f', KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_S, '\n'
        }));
        readLineResult = reader.readLine();
        assertEquals("fiddle", readLineResult);
        assertEquals(6, history.size());
    }
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        assertEquals(6, history.size());
    }

    @Test
    public void testSearchHistoryAfterHittingEnd() throws Exception {
        MemoryHistory history = setupHistory();

        String readLineResult;
        reader.setInput(new ByteArrayInputStream(new byte[]{
                KeyMap.CTRL_R, 'f', KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_R, KeyMap.CTRL_S, '\n'
        }));
        readLineResult = reader.readLine();
        assertEquals("fiddle", readLineResult);
        assertEquals(4, history.size());
    }
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        assertEquals(4, history.size());
    }

    @Test
    public void testSearchHistoryWithNoMatches() throws Exception {
        MemoryHistory history = setupHistory();

        String readLineResult;
        reader.setInput(new ByteArrayInputStream(new byte[]{
                'x', KeyMap.CTRL_S, KeyMap.CTRL_S, '\n'
        }));
        readLineResult = reader.readLine();
        assertEquals("", readLineResult);
        assertEquals(3, history.size());
    }
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        assertEquals(3, history.size());
    }

    @Test
    public void testAbortingSearchRetainsCurrentBufferAndPrintsDetails() throws Exception {
        MemoryHistory history = setupHistory();

        String readLineResult;
        reader.setInput(new ByteArrayInputStream(new byte[]{
                'f', KeyMap.CTRL_R, 'f', KeyMap.CTRL_G
        }));
        readLineResult = reader.readLine();
        assertEquals(null, readLineResult);
        assertTrue(output.toString().contains("(reverse-i-search)`ff':"));
        assertEquals("ff", reader.getCursorBuffer().toString());
        assertEquals(3, history.size());
    }
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        assertEquals(3, history.size());
    }

    @Test
    public void testAbortingAfterSearchingPreviousLinesGivesBlank() throws Exception {
        MemoryHistory history = setupHistory();

        String readLineResult;
        reader.setInput(new ByteArrayInputStream(new byte[]{
                'f', KeyMap.CTRL_R, 'f', '\n',
                'f', 'o', 'o', KeyMap.CTRL_G
        }));
        readLineResult = reader.readLine();
        assertEquals("", readLineResult);

        readLineResult = reader.readLine();
        assertEquals(null, readLineResult);
        assertEquals("", reader.getCursorBuffer().toString());
        assertEquals(3, history.size());
    }
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