diff options
| -rw-r--r-- | guix/ui.scm | 25 | ||||
| -rw-r--r-- | tests/ui.scm | 27 |
2 files changed, 40 insertions, 12 deletions
diff --git a/guix/ui.scm b/guix/ui.scm index 0b4fe144b6..d9dbe4a652 100644 --- a/guix/ui.scm +++ b/guix/ui.scm @@ -1256,17 +1256,20 @@ weight of this field in the final score. A score of zero means that OBJ does not match any of REGEXPS. The higher the score, the more relevant OBJ is to REGEXPS." (define (score str) - (let ((counts (map (lambda (regexp) - (match (fold-matches regexp str '() cons) - (() 0) - ((m) (if (string=? (match:substring m) str) - 5 ;exact match - 1)) - (lst (length lst)))) - regexps))) - ;; Compute a score that's proportional to the number of regexps matched - ;; and to the number of matches for each regexp. - (* (length counts) (reduce + 0 counts)))) + (define scores + (map (lambda (regexp) + (fold-matches regexp str 0 + (lambda (m score) + (+ score + (if (string=? (match:substring m) str) + 5 ;exact match + 1))))) + regexps)) + + ;; Return zero if one of REGEXPS doesn't match. + (if (any zero? scores) + 0 + (reduce + 0 scores))) (fold (lambda (metric relevance) (match metric diff --git a/tests/ui.scm b/tests/ui.scm index 1e98e3534b..2138e23369 100644 --- a/tests/ui.scm +++ b/tests/ui.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -22,10 +22,12 @@ #:use-module (guix profiles) #:use-module (guix store) #:use-module (guix derivations) + #:use-module ((gnu packages) #:select (specification->package)) #:use-module (guix tests) #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) #:use-module (srfi srfi-19) + #:use-module (srfi srfi-26) #:use-module (srfi srfi-64) #:use-module (ice-9 regex)) @@ -260,4 +262,27 @@ Second line" 24)) "ISO-8859-1") (show-manifest-transaction store m t)))))))) +(test-assert "package-relevance" + (let ((guile (specification->package "guile")) + (gcrypt (specification->package "guile-gcrypt")) + (go (specification->package "go")) + (gnugo (specification->package "gnugo")) + (rx (cut make-regexp <> regexp/icase)) + (>0 (cut > <> 0)) + (=0 zero?)) + (and (>0 (package-relevance guile + (map rx '("scheme")))) + (>0 (package-relevance guile + (map rx '("scheme" "implementation")))) + (>0 (package-relevance gcrypt + (map rx '("guile" "crypto")))) + (=0 (package-relevance guile + (map rx '("guile" "crypto")))) + (>0 (package-relevance go + (map rx '("go")))) + (=0 (package-relevance go + (map rx '("go" "game")))) + (>0 (package-relevance gnugo + (map rx '("go" "game"))))))) + (test-end "ui") |