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
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-graph)
#:use-module (guix tests)
#:use-module (guix graph)
#:use-module (guix scripts graph)
#:use-module (guix packages)
#:use-module (guix derivations)
#:use-module (guix store)
#:use-module (guix monads)
#:use-module (guix grafts)
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (guix gexp)
#:use-module (guix utils)
#:use-module (gnu packages)
#:use-module (gnu packages base)
#:use-module (gnu packages guile)
#:use-module (gnu packages bootstrap)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-64))
(define %store
(open-connection-for-tests))
;; Globally disable grafts because they can trigger early builds.
(%graft? #f)
(define (make-recording-backend)
"Return a <graph-backend> and a thunk that returns the recorded nodes and
edges."
(let ((nodes '())
(edges '()))
(define (record-node id label port)
(set! nodes (cons (list id label) nodes)))
(define (record-edge source target port)
(set! edges (cons (list source target) edges)))
(define (return)
(values (reverse nodes) (reverse edges)))
(values (graph-backend (const #t) (const #t)
record-node record-edge)
return)))
(define (package->tuple package)
"Return a tuple representing PACKAGE as produced by %PACKAGE-NODE-TYPE."
(list (object-address package)
(package-full-name package)))
(define (edge->tuple source target)
"Likewise for an edge from SOURCE to TARGET."
(list (object-address source)
(object-address target)))
(test-begin "graph")
(test-assert "package DAG"
(let-values (((backend nodes+edges) (make-recording-backend)))
(let* ((p1 (dummy-package "p1"))
(p2 (dummy-package "p2" (inputs `(("p1" ,p1)))))
(p3 (dummy-package "p3" (inputs `(("p2" ,p2) ("p1", p1))))))
(run-with-store %store
(export-graph (list p3) 'port
#:node-type %package-node-type
#:backend backend))
;; We should see nothing more than these 3 packages.
(let-values (((nodes edges) (nodes+edges)))
(and (equal? nodes (map package->tuple (list p3 p2 p1)))
(equal? edges
(map edge->tuple
(list p3 p3 p2)
(list p2 p1 p1))))))))
(test-assert "bag-emerged DAG"
(let-values (((backend nodes+edges) (make-recording-backend)))
(let* ((o (dummy-origin (method (lambda _
(text-file "foo" "bar")))))
(p (dummy-package "p" (source o)))
(implicit (map (match-lambda
((label package) package))
(standard-packages))))
(run-with-store %store
(export-graph (list p) 'port
#:node-type %bag-emerged-node-type
#:backend backend))
;; We should see exactly P and IMPLICIT, with one edge from P to each
;; element of IMPLICIT. O must not appear among NODES.
(let-values (((nodes edges) (nodes+edges)))
(and (equal? (match nodes
(((labels names) ...)
names))
(map package-full-name (cons p implicit)))
(equal? (match edges
(((sources destinations) ...)
(zip (map store-path-package-name sources)
(map store-path-package-name destinations))))
(map (lambda (destination)
(list "p-0.drv"
(string-append
(package-full-name destination)
".drv")))
implicit)))))))
(test-assert "bag DAG" ;a big town in Iraq
(let-values (((backend nodes+edges) (make-recording-backend)))
(let ((p (dummy-package "p")))
(run-with-store %store
(export-graph (list p) 'port
#:node-type %bag-node-type
#:backend backend))
;; We should see P, its implicit inputs as well as the whole DAG, which
;; should include bootstrap binaries.
(let-values (((nodes edges) (nodes+edges)))
(every (lambda (name)
(find (cut string=? name <>)
(match nodes
(((labels names) ...)
names))))
(match %bootstrap-inputs
(((labels packages) ...)
(map package-full-name packages))))))))
(test-assert "bag DAG, including origins"
(let-values (((backend nodes+edges) (make-recording-backend)))
(let* ((m (lambda* (uri hash-type hash name #:key system)
(text-file "foo-1.2.3.tar.gz" "This is a fake!")))
(o (origin (method m) (uri "the-uri") (sha256 #vu8(0 1 2))))
(p (dummy-package "p" (source o))))
(run-with-store %store
(export-graph (list p) 'port
#:node-type %bag-with-origins-node-type
#:backend backend))
;; We should see O among the nodes, with an edge coming from P.
(let-values (((nodes edges) (nodes+edges)))
(run-with-store %store
(mlet %store-monad ((o* (lower-object o))
(p* (lower-object p))
(g (lower-object (default-guile))))
(return
(and (find (match-lambda
((file "the-uri") #t)
(_ #f))
nodes)
(find (match-lambda
((source target)
(and (string=? source (derivation-file-name p*))
(string=? target o*))))
edges)
;; There must also be an edge from O to G.
(find (match-lambda
((source target)
(and (string=? source o*)
(string=? target (derivation-file-name g)))))
edges)))))))))
(test-assert "derivation DAG"
(let-values (((backend nodes+edges) (make-recording-backend)))
(run-with-store %store
(mlet* %store-monad ((txt (text-file "text-file" "Hello!"))
(guile (package->derivation %bootstrap-guile))
(drv (gexp->derivation "output"
#~(symlink #$txt #$output)
#:guile-for-build
guile)))
;; We should get at least these 3 nodes and corresponding edges.
(mbegin %store-monad
(export-graph (list drv) 'port
#:node-type %derivation-node-type
#:backend backend)
(let-values (((nodes edges) (nodes+edges)))
;; XXX: For some reason we need to throw in some 'basename'.
(return (and (match nodes
(((ids labels) ...)
(let ((ids (map basename ids)))
(every (lambda (item)
(member (basename item) ids))
(list txt
(derivation-file-name drv)
(derivation-file-name guile))))))
(every (cut member <>
(map (lambda (edge)
(map basename edge))
edges))
(list (map (compose basename derivation-file-name)
(list drv guile))
(list (basename (derivation-file-name drv))
(basename txt))))))))))))
(test-assert "reference DAG"
(let-values (((backend nodes+edges) (make-recording-backend)))
(run-with-store %store
(mlet* %store-monad ((txt (text-file "text-file" "Hello!"))
(guile (package->derivation %bootstrap-guile))
(drv (gexp->derivation "output"
#~(symlink #$txt #$output)
#:guile-for-build
guile))
(out -> (derivation->output-path drv)))
;; We should see only OUT and TXT, with an edge from the former to the
;; latter.
(mbegin %store-monad
(built-derivations (list drv))
(export-graph (list (derivation->output-path drv)) 'port
#:node-type %reference-node-type
#:backend backend)
(let-values (((nodes edges) (nodes+edges)))
(return
(and (equal? (match nodes
(((ids labels) ...)
ids))
(list out txt))
(equal? edges `((,out ,txt)))))))))))
(test-assert "node-edges"
(run-with-store %store
(let ((packages (fold-packages cons '())))
(mlet %store-monad ((edges (node-edges %package-node-type packages)))
(return (and (null? (edges sed))
(lset= eq?
(edges guile-2.0)
(match (package-direct-inputs guile-2.0)
(((labels packages _ ...) ...)
packages)))))))))
(test-assert "node-transitive-edges + node-back-edges"
(run-with-store %store
(let ((packages (fold-packages cons '()))
(bootstrap? (lambda (package)
(string-contains
(location-file (package-location package))
"bootstrap.scm")))
(trivial? (lambda (package)
(eq? (package-build-system package)
trivial-build-system))))
(mlet %store-monad ((edges (node-back-edges %bag-node-type packages)))
(let* ((glibc (canonical-package glibc))
(dependents (node-transitive-edges (list glibc) edges))
(diff (lset-difference eq? packages dependents)))
;; All the packages depend on libc, except bootstrap packages and
;; some that use TRIVIAL-BUILD-SYSTEM.
(return (null? (remove (lambda (package)
(or (trivial? package)
(bootstrap? package)))
diff))))))))
(test-assert "node-transitive-edges, no duplicates"
(run-with-store %store
(let* ((p0 (dummy-package "p0"))
(p1a (dummy-package "p1a" (inputs `(("p0" ,p0)))))
(p1b (dummy-package "p1b" (inputs `(("p0" ,p0)))))
(p2 (dummy-package "p2" (inputs `(("p1a" ,p1a) ("p1b" ,p1b))))))
(mlet %store-monad ((edges (node-edges %package-node-type
(list p2 p1a p1b p0))))
(return (lset= eq? (node-transitive-edges (list p2) edges)
(list p1a p1b p0)))))))
(test-end "graph")
(exit (= (test-runner-fail-count (test-runner-current)) 0))
|
