How to use the buku.import_firefox_json function in buku

"""test method."""

    # Arrange
    data = json.loads("""
        {
            "title" : "title",
            "typeCode" : 2,
            "children": [
                {
                    "title":"bookmark folder",
                    "typeCode":2
                } ]
         }""")

    # Act
    items = import_firefox_json(data)

    # Assert
    result = []
    for item in items:
        result.append(item)

    assert len(result) == 0

"""test method."""

    # Arrange
    data = json.loads("""
            {
                "title":"Weitere Lesezeichen",
                "typeCode":2,
                "children": [
                    {"title":"title1","typeCode":1,"uri":"http://uri1.com/#more-74"},
                    {"title":"title2","typeCode":1,"uri":"http://uri2.com/xyz"},
                    {"title":"title3","typeCode":1,"uri":"http://uri3.com"}
                ]
            } """)

    # Act
    items = import_firefox_json(data)

    # Assert
    result = []
    for item in items:
        result.append(item)

    assert len(result) == 3

"typeCode" : 2,
                        "children": [
                            {"title":"title1","typeCode":1,"uri":"http://uri1.com/#more-74"},
                            {"title":"title2","typeCode":1,"uri":"http://uri2.com/xyz"},
                            {"title":"title3","typeCode":1,"uri":"http://uri3.com"}
                        ]
                    },
                    {"title":"title4","typeCode":1,"uri":"http://uri4.com/#more-74"},
                    {"title":"title5","typeCode":1,"uri":"http://uri5.com/xyz"},
                    {"title":"title6","typeCode":1,"uri":"http://uri6.com"}
            ]
        }
                      """)

    # Act
    items = import_firefox_json(data)

    # Assert
    result = []
    for item in items:
        result.append(item)

    assert len(result) == 6
    assert result[0][0] == 'http://uri1.com/#more-74'
    assert result[1][0] == 'http://uri2.com/xyz'
    assert result[2][0] == 'http://uri3.com'
    assert result[3][0] == 'http://uri4.com/#more-74'
    assert result[4][0] == 'http://uri5.com/xyz'
    assert result[5][0] == 'http://uri6.com'

"index": 0,
                  "lastModified": 1305978154986000,
                  "title": "title",
                  "type": "text/x-moz-place",
                  "typeCode": 1,
                  "tags" : "x,y",
                  "uri": "http://uri.com/abc?234&536",
                  "annos" : [{
                         "name": "bookmarkProperties/description",
                         "value": "desc"
                   }]
                }]
        }""")

    # Act
    items = import_firefox_json(data)

    # Assert
    result = []
    for item in items:
        result.append(item)

    assert len(result) == 1
    assert result[0][0] == 'http://uri.com/abc?234&536'
    assert result[0][1] == 'title'
    assert result[0][2] == ',x,y,'
    assert result[0][3] == 'desc'

# Arrange
    data = json.loads("""
        {
            "title" : "title",
            "typeCode" : 2,
            "children": [
                {
                  "title": "",
                  "type": "text/x-moz-place-separator",
                  "typeCode": 3
                } ]
         }""")

    # Act
    items = import_firefox_json(data)

    # Assert
    result = []
    for item in items:
        result.append(item)

    assert len(result) == 0

def test_load_from_empty():
    """test method."""
    # Arrange
    data = json.loads("{}")

    # Act
    items = import_firefox_json(data)

    # Assert
    count = sum(1 for _ in items)
    assert count == 0

"title" : "title",
            "children": [
                {
                    "title" : "title1",
                    "uri" : "http://uri1",
                    "tags" : "tag1, tag2",
                    "typeCode": 1,
                    "annos" : [{
                         "name": "bookmarkProperties/description",
                         "value": "desc"
                     }]
                }]
        }""")

    # Act
    items = import_firefox_json(data)

    # Assert
    result = []
    for item in items:
        result.append(item)

    assert len(result) == 1
    assert result[0][2] == ",tag1,tag2,"

"typeCode" : 2,
            "children": [
                {
                    "title" : "title1",
                    "typeCode" : 1,
                    "uri" : "http://uri1",
                    "annos" : [{
                         "name": "bookmarkProperties/description",
                         "value": "desc"
                      }]
                 }
            ]
        } """)

    # Act
    items = import_firefox_json(data)

    # Assert
    result = []
    for item in items:
        result.append(item)

    assert len(result) == 1
    assert result[0][0] == 'http://uri1'
    assert result[0][1] == 'title1'
    assert result[0][2] == ','
    assert result[0][3] == 'desc'

data = json.loads("""
        {
            "title" : "title",
            "children": [
                {
                    "title" : "title1",
                    "typeCode" : 99,
                    "uri" : "http://uri1",
                    "annos" : [{
                         "name": "bookmarkProperties/description",
                         "value": "desc"
                     }]
                }]
        }""")
    # Act
    items = import_firefox_json(data)

    # Assert
    result = []
    for item in items:
        result.append(item)

    assert len(result) == 0

data = json.loads("""
        {
            "title" : "title",
            "children": [
                {
                    "title" : "title1",
                    "uri" : "http://uri1",
                    "annos" : [{
                         "name": "bookmarkProperties/description",
                         "value": "desc"
                     }]
                }]
        }""")

    # Act
    items = import_firefox_json(data)

    # Assert
    result = []
    for item in items:
        result.append(item)

    assert len(result) == 0