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
|
use crate::nar::calculate_size_and_sha256;
use crate::nar::write_nar;
use crate::tests::fixtures::*;
use crate::tests::utils::*;
use sha2::{Digest, Sha256};
use std::io;
use tokio::io::sink;
use tvix_castore::proto as castorepb;
#[tokio::test]
async fn single_symlink() {
let mut buf: Vec<u8> = vec![];
write_nar(
&mut buf,
&castorepb::node::Node::Symlink(castorepb::SymlinkNode {
name: "doesntmatter".into(),
target: "/nix/store/somewhereelse".into(),
}),
// don't put anything in the stores, as we don't actually do any requests.
gen_blob_service(),
gen_directory_service(),
)
.await
.expect("must succeed");
assert_eq!(buf, NAR_CONTENTS_SYMLINK.to_vec());
}
/// Make sure the NARRenderer fails if a referred blob doesn't exist.
#[tokio::test]
async fn single_file_missing_blob() {
let e = write_nar(
sink(),
&castorepb::node::Node::File(castorepb::FileNode {
name: "doesntmatter".into(),
digest: HELLOWORLD_BLOB_DIGEST.clone().into(),
size: HELLOWORLD_BLOB_CONTENTS.len() as u64,
executable: false,
}),
// the blobservice is empty intentionally, to provoke the error.
gen_blob_service(),
gen_directory_service(),
)
.await
.expect_err("must fail");
match e {
crate::nar::RenderError::NARWriterError(e) => {
assert_eq!(io::ErrorKind::NotFound, e.kind());
}
_ => panic!("unexpected error: {:?}", e),
}
}
/// Make sure the NAR Renderer fails if the returned blob meta has another size
/// than specified in the proto node.
#[tokio::test]
async fn single_file_wrong_blob_size() {
let blob_service = gen_blob_service();
// insert blob into the store
let mut writer = blob_service.open_write().await;
tokio::io::copy(
&mut io::Cursor::new(HELLOWORLD_BLOB_CONTENTS.to_vec()),
&mut writer,
)
.await
.unwrap();
assert_eq!(
HELLOWORLD_BLOB_DIGEST.clone(),
writer.close().await.unwrap()
);
let bs = blob_service.clone();
// Test with a root FileNode of a too big size
{
let e = write_nar(
sink(),
&castorepb::node::Node::File(castorepb::FileNode {
name: "doesntmatter".into(),
digest: HELLOWORLD_BLOB_DIGEST.clone().into(),
size: 42, // <- note the wrong size here!
executable: false,
}),
bs,
gen_directory_service(),
)
.await
.expect_err("must fail");
match e {
crate::nar::RenderError::NARWriterError(e) => {
assert_eq!(io::ErrorKind::UnexpectedEof, e.kind());
}
_ => panic!("unexpected error: {:?}", e),
}
}
let bs = blob_service.clone();
// Test with a root FileNode of a too small size
{
let e = write_nar(
sink(),
&castorepb::node::Node::File(castorepb::FileNode {
name: "doesntmatter".into(),
digest: HELLOWORLD_BLOB_DIGEST.clone().into(),
size: 2, // <- note the wrong size here!
executable: false,
}),
bs,
gen_directory_service(),
)
.await
.expect_err("must fail");
match e {
crate::nar::RenderError::NARWriterError(e) => {
assert_eq!(io::ErrorKind::InvalidInput, e.kind());
}
_ => panic!("unexpected error: {:?}", e),
}
}
}
#[tokio::test]
async fn single_file() {
let blob_service = gen_blob_service();
// insert blob into the store
let mut writer = blob_service.open_write().await;
tokio::io::copy(&mut io::Cursor::new(HELLOWORLD_BLOB_CONTENTS), &mut writer)
.await
.unwrap();
assert_eq!(
HELLOWORLD_BLOB_DIGEST.clone(),
writer.close().await.unwrap()
);
let mut buf: Vec<u8> = vec![];
write_nar(
&mut buf,
&castorepb::node::Node::File(castorepb::FileNode {
name: "doesntmatter".into(),
digest: HELLOWORLD_BLOB_DIGEST.clone().into(),
size: HELLOWORLD_BLOB_CONTENTS.len() as u64,
executable: false,
}),
blob_service,
gen_directory_service(),
)
.await
.expect("must succeed");
assert_eq!(buf, NAR_CONTENTS_HELLOWORLD.to_vec());
}
#[tokio::test]
async fn test_complicated() {
let blob_service = gen_blob_service();
let directory_service = gen_directory_service();
// put all data into the stores.
// insert blob into the store
let mut writer = blob_service.open_write().await;
tokio::io::copy(&mut io::Cursor::new(EMPTY_BLOB_CONTENTS), &mut writer)
.await
.unwrap();
assert_eq!(EMPTY_BLOB_DIGEST.clone(), writer.close().await.unwrap());
directory_service
.put(DIRECTORY_WITH_KEEP.clone())
.await
.unwrap();
directory_service
.put(DIRECTORY_COMPLICATED.clone())
.await
.unwrap();
let mut buf: Vec<u8> = vec![];
let bs = blob_service.clone();
let ds = directory_service.clone();
write_nar(
&mut buf,
&castorepb::node::Node::Directory(castorepb::DirectoryNode {
name: "doesntmatter".into(),
digest: DIRECTORY_COMPLICATED.digest().into(),
size: DIRECTORY_COMPLICATED.size(),
}),
bs,
ds,
)
.await
.expect("must succeed");
assert_eq!(buf, NAR_CONTENTS_COMPLICATED.to_vec());
// ensure calculate_nar does return the correct sha256 digest and sum.
let bs = blob_service.clone();
let ds = directory_service.clone();
let (nar_size, nar_digest) = calculate_size_and_sha256(
&castorepb::node::Node::Directory(castorepb::DirectoryNode {
name: "doesntmatter".into(),
digest: DIRECTORY_COMPLICATED.digest().into(),
size: DIRECTORY_COMPLICATED.size(),
}),
bs,
ds,
)
.await
.expect("must succeed");
assert_eq!(NAR_CONTENTS_COMPLICATED.len() as u64, nar_size);
let d = Sha256::digest(NAR_CONTENTS_COMPLICATED.clone());
assert_eq!(d.as_slice(), nar_digest);
}
|
