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derivations: Add tests relative to fixed-output derivations.

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* tests/derivations.scm ("fixed-output derivation"): Add comment that
  the reference to BUILDER is optional.
  ("fixed-output derivation: output paths are equal",
  "derivation with a fixed-output input",
  "build-expression->derivation: same fixed-output path"): New tests.
This commit is contained in:
Ludovic Courtès 2012-11-08 23:55:12 +01:00
parent c4c7406b90
commit 813986ac09
1 changed files with 83 additions and 2 deletions
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85
tests/derivations.scm
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@ -129,7 +129,8 @@ (define prefix-len (string-length dir))
(hash (sha256 (string->utf8 "hello")))
(drv-path (derivation %store "fixed" (%current-system)
"/bin/sh" `(,builder)
'() `((,builder))
'()
`((,builder)) ; optional
#:hash hash #:hash-algo 'sha256))
(succeeded? (build-derivations %store (list drv-path))))
(and succeeded?
@ -138,6 +139,62 @@ (define prefix-len (string-length dir))
(call-with-input-file p get-bytevector-all))
(bytevector? (query-path-hash %store p)))))))
(test-assert "fixed-output derivation: output paths are equal"
(let* ((builder1 (add-text-to-store %store "fixed-builder1.sh"
"echo -n hello > $out" '()))
(builder2 (add-text-to-store %store "fixed-builder2.sh"
"echo hey; echo -n hello > $out" '()))
(hash (sha256 (string->utf8 "hello")))
(drv-path1 (derivation %store "fixed" (%current-system)
"/bin/sh" `(,builder1)
'() `()
#:hash hash #:hash-algo 'sha256))
(drv-path2 (derivation %store "fixed" (%current-system)
"/bin/sh" `(,builder2)
'() `()
#:hash hash #:hash-algo 'sha256))
(succeeded? (build-derivations %store
(list drv-path1 drv-path2))))
(and succeeded?
(equal? (derivation-path->output-path drv-path1)
(derivation-path->output-path drv-path2)))))
(test-assert "derivation with a fixed-output input"
;; A derivation D using a fixed-output derivation F doesn't has the same
;; output path when passed F or F', as long as F and F' have the same output
;; path.
(let* ((builder1 (add-text-to-store %store "fixed-builder1.sh"
"echo -n hello > $out" '()))
(builder2 (add-text-to-store %store "fixed-builder2.sh"
"echo hey; echo -n hello > $out" '()))
(hash (sha256 (string->utf8 "hello")))
(fixed1 (derivation %store "fixed" (%current-system)
"/bin/sh" `(,builder1)
'() `()
#:hash hash #:hash-algo 'sha256))
(fixed2 (derivation %store "fixed" (%current-system)
"/bin/sh" `(,builder2)
'() `()
#:hash hash #:hash-algo 'sha256))
(fixed-out (derivation-path->output-path fixed1))
(builder3 (add-text-to-store
%store "final-builder.sh"
;; Use Bash hackery to avoid Coreutils.
"echo $in ; (read -u 3 c; echo $c) 3< $in > $out" '()))
(final1 (derivation %store "final" (%current-system)
"/bin/sh" `(,builder3)
`(("in" . ,fixed-out))
`((,builder3) (,fixed1))))
(final2 (derivation %store "final" (%current-system)
"/bin/sh" `(,builder3)
`(("in" . ,fixed-out))
`((,builder3) (,fixed2))))
(succeeded? (build-derivations %store
(list final1 final2))))
(and succeeded?
(equal? (derivation-path->output-path final1)
(derivation-path->output-path final2)))))
(test-assert "multiple-output derivation"
(let* ((builder (add-text-to-store %store "my-fixed-builder.sh"
"echo one > $out ; echo two > $second"
@ -235,7 +292,7 @@ (define %coreutils
(and (valid-path? %store p)
(file-exists? (string-append p "/good")))))))
(test-skip (if (%guile-for-build) 0 6))
(test-skip (if (%guile-for-build) 0 7))
(test-assert "build-expression->derivation and derivation-prerequisites"
(let-values (((drv-path drv)
@ -378,6 +435,30 @@ (define %coreutils
(and succeeded?
(file-exists? (derivation-path->output-path drv-path)))))
(test-assert "build-expression->derivation: same fixed-output path"
(let* ((builder1 '(call-with-output-file %output
(lambda (p)
(write "hello" p))))
(builder2 '(call-with-output-file (pk 'difference-here! %output)
(lambda (p)
(write "hello" p))))
(hash (sha256 (string->utf8 "hello")))
(input1 (build-expression->derivation %store "fixed"
(%current-system)
builder1 '()
#:hash hash
#:hash-algo 'sha256))
(input2 (build-expression->derivation %store "fixed"
(%current-system)
builder2 '()
#:hash hash
#:hash-algo 'sha256))
(succeeded? (build-derivations %store (list input1 input2))))
(and succeeded?
(not (string=? input1 input2))
(string=? (derivation-path->output-path input1)
(derivation-path->output-path input2)))))
(test-end)