msi 0.10.0

Read/write Windows Installer (MSI) files
Documentation 
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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260

#[macro_use]
mod testutil;

use msi::{
    Column, ColumnType, Expr, Insert, Package, PackageType, Select, Value,
};
use std::io::{Cursor, ErrorKind};

// ========================================================================= //

#[test]
fn create_table_with_invalid_name() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    let columns = vec![Column::build("Foo").primary_key().int32()];
    assert_error!(
        package.create_table("Foo & Bar", columns),
        ErrorKind::InvalidInput,
        "\"Foo & Bar\" is not a valid table name"
    );
    assert!(!package.has_table("Foo & Bar"));
}

#[test]
fn create_table_with_no_columns() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    assert_error!(
        package.create_table("FooBar", vec![]),
        ErrorKind::InvalidInput,
        "Cannot create a table with no columns"
    );
    assert!(!package.has_table("FooBar"));
}

#[test]
fn create_table_with_no_primary_key() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    let columns = vec![Column::build("Foo").int32()];
    assert_error!(
        package.create_table("FooBar", columns),
        ErrorKind::InvalidInput,
        "Cannot create a table without at least one primary key \
                   column"
    );
    assert!(!package.has_table("FooBar"));
}

#[test]
fn create_duplicate_table() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    let columns = vec![Column::build("Foo").primary_key().int32()];
    package.create_table("FooBar", columns).unwrap();
    assert!(package.has_table("FooBar"));
    let columns = vec![Column::build("Bar").primary_key().int32()];
    assert_error!(
        package.create_table("FooBar", columns),
        ErrorKind::AlreadyExists,
        "Table \"FooBar\" already exists"
    );
    assert!(package.has_table("FooBar"));
}

#[test]
fn create_table_with_invalid_column_name() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    let columns = vec![Column::build("Foo & Bar").primary_key().int32()];
    assert_error!(
        package.create_table("FooBar", columns),
        ErrorKind::InvalidInput,
        "\"Foo & Bar\" is not a valid column name"
    );
    assert!(!package.has_table("FooBar"));
}

#[test]
fn create_table_with_duplicate_column_names() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    let columns = vec![
        Column::build("Foo").primary_key().int32(),
        Column::build("Bar").int16(),
        Column::build("Foo").string(6),
    ];
    assert_error!(
        package.create_table("FooBar", columns),
        ErrorKind::InvalidInput,
        "Cannot create a table with multiple columns with the \
                   same name (\"Foo\")"
    );
    assert!(!package.has_table("FooBar"));
}

#[test]
fn create_valid_table() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    let columns = vec![
        Column::build("Number").primary_key().range(0, 100).int16(),
        Column::build("Word").nullable().string(50),
    ];
    package.create_table("Numbers", columns).unwrap();
    assert!(package.has_table("Numbers"));

    let cursor = package.into_inner().unwrap();
    let package = Package::open(cursor).unwrap();
    assert!(package.has_table("Numbers"));
    let table = package.get_table("Numbers").unwrap();
    assert_eq!(table.name(), "Numbers");

    assert!(table.has_column("Number"));
    let column = table.get_column("Number").unwrap();
    assert_eq!(column.name(), "Number");
    assert_eq!(column.coltype(), ColumnType::Int16);
    assert!(column.is_primary_key());
    assert!(!column.is_nullable());
    assert_eq!(column.value_range(), Some((0, 100)));

    assert!(table.has_column("Word"));
    let column = table.get_column("Word").unwrap();
    assert_eq!(column.name(), "Word");
    assert_eq!(column.coltype(), ColumnType::Str(50));
    assert!(!column.is_primary_key());
    assert!(column.is_nullable());
}

#[test]
fn drop_table_with_invalid_name() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    assert_error!(
        package.drop_table("Foo & Bar"),
        ErrorKind::InvalidInput,
        "\"Foo & Bar\" is not a valid table name"
    );
}

#[test]
fn drop_nonexistent_table() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    assert!(!package.has_table("FooBar"));
    assert_error!(
        package.drop_table("FooBar"),
        ErrorKind::NotFound,
        "Table \"FooBar\" does not exist"
    );
}

#[test]
fn drop_special_tables() {
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    assert_error!(
        package.drop_table("_Columns"),
        ErrorKind::InvalidInput,
        "Cannot drop special \"_Columns\" table"
    );
    assert!(package.has_table("_Columns"));
    assert_error!(
        package.drop_table("_Tables"),
        ErrorKind::InvalidInput,
        "Cannot drop special \"_Tables\" table"
    );
    assert!(package.has_table("_Tables"));
    assert_error!(
        package.drop_table("_Validation"),
        ErrorKind::InvalidInput,
        "Cannot drop special \"_Validation\" table"
    );
    assert!(package.has_table("_Validation"));
}

#[test]
fn drop_valid_table() {
    // Create a package with a table, and verify that that the special tables
    // have entries for that new table.
    let table_name = "Numbers";
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    let columns = vec![
        Column::build("Number").primary_key().range(0, 100).int16(),
        Column::build("Word").nullable().string(50),
    ];
    package.create_table(table_name, columns).unwrap();
    assert!(package.has_table(table_name));
    let query = Select::table("_Tables")
        .with(Expr::col("Name").eq(Expr::string(table_name)));
    assert_eq!(package.select_rows(query).unwrap().len(), 1);
    let query = Select::table("_Columns")
        .with(Expr::col("Table").eq(Expr::string(table_name)));
    assert_eq!(package.select_rows(query).unwrap().len(), 2);
    let query = Select::table("_Validation")
        .with(Expr::col("Table").eq(Expr::string(table_name)));
    assert_eq!(package.select_rows(query).unwrap().len(), 2);

    // Reopen the package, and drop the table.  Confirm that the special tables
    // no longer have entries for the deleted table.
    let cursor = package.into_inner().unwrap();
    let mut package = Package::open(cursor).unwrap();
    assert!(package.has_table(table_name));
    package.drop_table(table_name).unwrap();
    assert!(!package.has_table(table_name));
    let query = Select::table("_Tables")
        .with(Expr::col("Name").eq(Expr::string(table_name)));
    assert_eq!(package.select_rows(query).unwrap().len(), 0);
    let query = Select::table("_Columns")
        .with(Expr::col("Table").eq(Expr::string(table_name)));
    assert_eq!(package.select_rows(query).unwrap().len(), 0);
    let query = Select::table("_Validation")
        .with(Expr::col("Table").eq(Expr::string(table_name)));
    assert_eq!(package.select_rows(query).unwrap().len(), 0);

    // Reopen the package again, and make sure the table still isn't there.
    let cursor = package.into_inner().unwrap();
    let package = Package::open(cursor).unwrap();
    assert!(!package.has_table(table_name));
}

#[test]
fn drop_table_with_rows() {
    // Create a package with a table, and add a few rows to that table.
    let table_name = "Numbers";
    let cursor = Cursor::new(Vec::new());
    let mut package = Package::create(PackageType::Installer, cursor).unwrap();
    let columns = vec![
        Column::build("Number").primary_key().range(0, 100).int16(),
        Column::build("Word").nullable().string(50),
    ];
    package.create_table(table_name, columns.clone()).unwrap();
    assert!(package.has_table(table_name));
    let query = Insert::into(table_name)
        .row(vec![Value::Int(4), Value::from("Four")])
        .row(vec![Value::Int(7), Value::from("Seven")])
        .row(vec![Value::Int(10), Value::from("Ten")]);
    package.insert_rows(query).unwrap();
    let query = Select::table(table_name);
    assert_eq!(package.select_rows(query).unwrap().len(), 3);

    // Reopen the package, and drop the table.
    let cursor = package.into_inner().unwrap();
    let mut package = Package::open(cursor).unwrap();
    assert!(package.has_table(table_name));
    package.drop_table(table_name).unwrap();
    assert!(!package.has_table(table_name));

    // Reopen the package again, and recreate the same table.  The rows should
    // not reappear.
    let cursor = package.into_inner().unwrap();
    let mut package = Package::open(cursor).unwrap();
    assert!(!package.has_table(table_name));
    package.create_table(table_name, columns).unwrap();
    let query = Select::table(table_name);
    assert_eq!(package.select_rows(query).unwrap().len(), 0);
}

// ========================================================================= //