File: test_sqlite_utils_migrate_command.py

package info (click to toggle)
python-sqlite-migrate 0.1~beta0-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 144 kB
  • sloc: python: 371; makefile: 3
file content (206 lines) | stat: -rw-r--r-- 5,046 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
import sqlite_utils.cli
import pathlib
from click.testing import CliRunner
import pytest

TWO_MIGRATIONS = """
from sqlite_migrate import Migrations

m = Migrations("hello")

@m()
def foo(db):
    db["foo"].insert({"hello": "world"})

@m()
def bar(db):
    db["bar"].insert({"hello": "world"})
"""


@pytest.fixture
def two_migrations(tmpdir):
    path = pathlib.Path(tmpdir)
    (path / "foo").mkdir()
    migrations_py = path / "foo" / "migrations.py"
    migrations_py.write_text(TWO_MIGRATIONS, "utf-8")
    return path, migrations_py


@pytest.mark.parametrize("arg", ("TMPDIR", "TMPDIR/foo/migrations.py", "TMPDIR/foo/"))
def test_basic(two_migrations, arg):
    path, _ = two_migrations
    db_path = str(path / "test.db")

    runner = CliRunner()

    def _list():
        list_result = runner.invoke(
            sqlite_utils.cli.cli,
            ["migrate", db_path, "--list", arg.replace("TMPDIR", str(path))],
        )
        assert list_result.exit_code == 0
        return list_result.output

    assert _list() == (
        "Migrations for: hello\n\n"
        "  Applied:\n\n"
        "  Pending:\n"
        "    foo\n"
        "    bar\n\n"
    )

    result = runner.invoke(
        sqlite_utils.cli.cli, ["migrate", db_path, arg.replace("TMPDIR", str(path))]
    )
    assert result.exit_code == 0, result.output

    list_output = _list()
    assert "Migrations for: hello\n\n  Applied:\n    " in list_output
    prior_to_pending = list_output.split(" Pending")[0]
    assert "  foo" in prior_to_pending
    assert "  bar" in prior_to_pending
    assert " Pending:\n    (none)" in list_output

    db = sqlite_utils.Database(db_path)
    assert db["foo"].exists()
    assert db["bar"].exists()
    assert db["_sqlite_migrations"].exists()
    rows = list(db["_sqlite_migrations"].rows)
    assert len(rows) == 2
    assert rows[0]["name"] == "foo"
    assert rows[1]["name"] == "bar"


def test_verbose(tmpdir):
    path = pathlib.Path(tmpdir)
    (path / "foo").mkdir()
    migrations_py = path / "foo" / "migrations.py"
    migrations_py.write_text(
        """
from sqlite_migrate import Migrations

m = Migrations("hello")

@m()
def foo(db):
    db["dogs"].insert({"id": 1, "name": "Cleo"})
    """,
        "utf-8",
    )
    db_path = str(path / "test.db")
    runner = CliRunner()
    result = runner.invoke(
        sqlite_utils.cli.cli, ["migrate", db_path, str(migrations_py)]
    )
    assert result.exit_code == 0
    # Now run again with --verbose, should be no changes
    result = runner.invoke(
        sqlite_utils.cli.cli, ["migrate", db_path, str(migrations_py), "--verbose"]
    )
    assert result.exit_code == 0
    expected = """
Schema before:

  CREATE TABLE [_sqlite_migrations] (
     [migration_set] TEXT,
     [name] TEXT,
     [applied_at] TEXT,
     PRIMARY KEY ([migration_set], [name])
  );
  CREATE TABLE [dogs] (
     [id] INTEGER,
     [name] TEXT
  );

Schema after:

  (unchanged)
""".strip()
    assert expected in result.output
    # Now append to the migration and run it
    new_migration = """
@m()
def bar(db):
    db["dogs"].add_column("age", int)
    db["dogs"].add_column("weight", float)
    db["dogs"].transform()
"""
    # Append that to migrations.py
    migrations_py.write_text(migrations_py.read_text("utf-8") + new_migration)

    # And run it
    result = runner.invoke(
        sqlite_utils.cli.cli, ["migrate", db_path, str(migrations_py), "--verbose"]
    )
    assert result.exit_code == 0
    expected_diff = """
Schema diff:

    [applied_at] TEXT,
    PRIMARY KEY ([migration_set], [name])
 );
-CREATE TABLE [dogs] (
+CREATE TABLE "dogs" (
    [id] INTEGER,
-   [name] TEXT
+   [name] TEXT,
+   [age] INTEGER,
+   [weight] FLOAT
 );
""".strip()
    assert expected_diff in result.output


def test_stop_before(two_migrations):
    path, _ = two_migrations
    db_path = str(path / "test.db")
    runner = CliRunner()
    result = runner.invoke(
        sqlite_utils.cli.cli,
        [
            "migrate",
            db_path,
            str(path / "foo" / "migrations.py"),
            "--stop-before",
            "bar",
        ],
    )
    assert result.exit_code == 0
    db = sqlite_utils.Database(db_path)
    assert db["foo"].exists()
    assert not db["bar"].exists()


def test_stop_before_error(two_migrations):
    path, _ = two_migrations
    db_path = str(path / "test.db")
    (path / "foo" / "migrations2.py").write_text(
        """
from sqlite_migrate import Migrations

m = Migrations("hello2")

@m()
def foo(db):
    db["foo"].insert({"hello": "world"})
    """,
        "utf-8",
    )
    runner = CliRunner()
    result = runner.invoke(
        sqlite_utils.cli.cli,
        [
            "migrate",
            db_path,
            str(path / "foo" / "migrations.py"),
            str(path / "foo" / "migrations2.py"),
            "--stop-before",
            "foo",
        ],
    )
    assert result.exit_code == 1
    assert (
        "--stop-before can only be used with a single migrations.py file"
        in result.output
    )