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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org> | |
3 | ;;; | |
4 | ;;; This file is part of GNU Guix. | |
5 | ;;; | |
6 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
7 | ;;; under the terms of the GNU General Public License as published by | |
8 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
9 | ;;; your option) any later version. | |
10 | ;;; | |
11 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
12 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;; GNU General Public License for more details. | |
15 | ;;; | |
16 | ;;; You should have received a copy of the GNU General Public License | |
17 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | (define-module (test-graph) | |
20 | #:use-module (guix tests) | |
21 | #:use-module (guix scripts graph) | |
22 | #:use-module (guix packages) | |
23 | #:use-module (guix derivations) | |
24 | #:use-module (guix store) | |
25 | #:use-module (guix monads) | |
26 | #:use-module (guix build-system gnu) | |
27 | #:use-module (guix gexp) | |
28 | #:use-module (gnu packages) | |
29 | #:use-module (gnu packages bootstrap) | |
30 | #:use-module (ice-9 match) | |
31 | #:use-module (srfi srfi-1) | |
32 | #:use-module (srfi srfi-11) | |
33 | #:use-module (srfi srfi-26) | |
34 | #:use-module (srfi srfi-64)) | |
35 | ||
36 | (define %store | |
37 | (open-connection-for-tests)) | |
38 | ||
39 | (define (make-recording-backend) | |
40 | "Return a <graph-backend> and a thunk that returns the recorded nodes and | |
41 | edges." | |
42 | (let ((nodes '()) | |
43 | (edges '())) | |
44 | (define (record-node id label port) | |
45 | (set! nodes (cons (list id label) nodes))) | |
46 | (define (record-edge source target port) | |
47 | (set! edges (cons (list source target) edges))) | |
48 | (define (return) | |
49 | (values (reverse nodes) (reverse edges))) | |
50 | ||
51 | (values (graph-backend (const #t) (const #t) | |
52 | record-node record-edge) | |
53 | return))) | |
54 | ||
55 | (define (package->tuple package) | |
56 | "Return a tuple representing PACKAGE as produced by %PACKAGE-NODE-TYPE." | |
57 | (list (object-address package) | |
58 | (package-full-name package))) | |
59 | ||
60 | (define (edge->tuple source target) | |
61 | "Likewise for an edge from SOURCE to TARGET." | |
62 | (list (object-address source) | |
63 | (object-address target))) | |
64 | ||
65 | \f | |
66 | (test-begin "graph") | |
67 | ||
68 | (test-assert "package DAG" | |
69 | (let-values (((backend nodes+edges) (make-recording-backend))) | |
70 | (let* ((p1 (dummy-package "p1")) | |
71 | (p2 (dummy-package "p2" (inputs `(("p1" ,p1))))) | |
72 | (p3 (dummy-package "p3" (inputs `(("p2" ,p2) ("p1", p1)))))) | |
73 | (run-with-store %store | |
74 | (export-graph (list p3) 'port | |
75 | #:node-type %package-node-type | |
76 | #:backend backend)) | |
77 | ;; We should see nothing more than these 3 packages. | |
78 | (let-values (((nodes edges) (nodes+edges))) | |
79 | (and (equal? nodes (map package->tuple (list p3 p2 p1))) | |
80 | (equal? edges | |
81 | (map edge->tuple | |
82 | (list p3 p3 p2) | |
83 | (list p2 p1 p1)))))))) | |
84 | ||
85 | (test-assert "bag-emerged DAG" | |
86 | (let-values (((backend nodes+edges) (make-recording-backend))) | |
87 | (let ((p (dummy-package "p")) | |
88 | (implicit (map (match-lambda | |
89 | ((label package) package)) | |
90 | (standard-packages)))) | |
91 | (run-with-store %store | |
92 | (export-graph (list p) 'port | |
93 | #:node-type %bag-emerged-node-type | |
94 | #:backend backend)) | |
95 | ;; We should see exactly P and IMPLICIT, with one edge from P to each | |
96 | ;; element of IMPLICIT. | |
97 | (let-values (((nodes edges) (nodes+edges))) | |
98 | (and (equal? (match nodes | |
99 | (((labels names) ...) | |
100 | names)) | |
101 | (map package-full-name (cons p implicit))) | |
102 | (equal? (match edges | |
103 | (((sources destinations) ...) | |
104 | (zip (map store-path-package-name sources) | |
105 | (map store-path-package-name destinations)))) | |
106 | (map (lambda (destination) | |
107 | (list "p-0.drv" | |
108 | (string-append | |
109 | (package-full-name destination) | |
110 | ".drv"))) | |
111 | implicit))))))) | |
112 | ||
113 | (test-assert "bag DAG" | |
114 | (let-values (((backend nodes+edges) (make-recording-backend))) | |
115 | (let ((p (dummy-package "p"))) | |
116 | (run-with-store %store | |
117 | (export-graph (list p) 'port | |
118 | #:node-type %bag-node-type | |
119 | #:backend backend)) | |
120 | ;; We should see P, its implicit inputs as well as the whole DAG, which | |
121 | ;; should include bootstrap binaries. | |
122 | (let-values (((nodes edges) (nodes+edges))) | |
123 | (every (lambda (name) | |
124 | (find (cut string=? name <>) | |
125 | (match nodes | |
126 | (((labels names) ...) | |
127 | names)))) | |
128 | (match %bootstrap-inputs | |
129 | (((labels packages) ...) | |
130 | (map package-full-name packages)))))))) | |
131 | ||
132 | (test-assert "derivation DAG" | |
133 | (let-values (((backend nodes+edges) (make-recording-backend))) | |
134 | (run-with-store %store | |
135 | (mlet* %store-monad ((txt (text-file "text-file" "Hello!")) | |
136 | (guile (package->derivation %bootstrap-guile)) | |
137 | (drv (gexp->derivation "output" | |
138 | #~(symlink #$txt #$output) | |
139 | #:guile-for-build | |
140 | guile))) | |
141 | ;; We should get at least these 3 nodes and corresponding edges. | |
142 | (mbegin %store-monad | |
143 | (export-graph (list drv) 'port | |
144 | #:node-type %derivation-node-type | |
145 | #:backend backend) | |
146 | (let-values (((nodes edges) (nodes+edges))) | |
147 | ;; XXX: For some reason we need to throw in some 'basename'. | |
148 | (return (and (match nodes | |
149 | (((ids labels) ...) | |
150 | (let ((ids (map basename ids))) | |
151 | (every (lambda (item) | |
152 | (member (basename item) ids)) | |
153 | (list txt | |
154 | (derivation-file-name drv) | |
155 | (derivation-file-name guile)))))) | |
156 | (every (cut member <> | |
157 | (map (lambda (edge) | |
158 | (map basename edge)) | |
159 | edges)) | |
160 | (list (map (compose basename derivation-file-name) | |
161 | (list drv guile)) | |
162 | (list (basename (derivation-file-name drv)) | |
163 | (basename txt)))))))))))) | |
164 | ||
165 | (test-assert "reference DAG" | |
166 | (let-values (((backend nodes+edges) (make-recording-backend))) | |
167 | (run-with-store %store | |
168 | (mlet* %store-monad ((txt (text-file "text-file" "Hello!")) | |
169 | (guile (package->derivation %bootstrap-guile)) | |
170 | (drv (gexp->derivation "output" | |
171 | #~(symlink #$txt #$output) | |
172 | #:guile-for-build | |
173 | guile)) | |
174 | (out -> (derivation->output-path drv))) | |
175 | ;; We should see only OUT and TXT, with an edge from the former to the | |
176 | ;; latter. | |
177 | (mbegin %store-monad | |
178 | (built-derivations (list drv)) | |
179 | (export-graph (list (derivation->output-path drv)) 'port | |
180 | #:node-type %reference-node-type | |
181 | #:backend backend) | |
182 | (let-values (((nodes edges) (nodes+edges))) | |
183 | (return | |
184 | (and (equal? (match nodes | |
185 | (((ids labels) ...) | |
186 | ids)) | |
187 | (list out txt)) | |
188 | (equal? edges `((,out ,txt))))))))))) | |
189 | ||
190 | (test-end "graph") | |
191 | ||
192 | \f | |
193 | (exit (= (test-runner-fail-count (test-runner-current)) 0)) |