From 05f019b2699d6f3c31240567f537bd4991a6398c Mon Sep 17 00:00:00 2001 From: Ray Miller Date: Sat, 6 Jul 2024 14:57:17 +0100 Subject: [PATCH] Generate build infrastructure with hall, add tests --- .gitignore | 65 ++++++++++++++ AUTHORS | 3 + COPYING | 3 + ChangeLog | 1 + HACKING | 54 ++++++++++++ Makefile.am | 73 ++++++++++++++++ NEWS | 14 +++ README | 4 + build-aux/test-driver.scm | 179 ++++++++++++++++++++++++++++++++++++++ configure.ac | 39 +++++++++ doc/geohash.texi | 60 +++++++++++++ geohash.scm | 2 +- geohash/hconfig.scm | 35 ++++++++ guix.scm | 40 +++++++++ hall.scm | 43 +++++++++ pre-inst-env.in | 13 +++ tests/geohash.scm | 42 +++++++++ 17 files changed, 669 insertions(+), 1 deletion(-) create mode 100644 .gitignore create mode 100644 AUTHORS create mode 100644 COPYING create mode 100644 ChangeLog create mode 100644 HACKING create mode 100644 Makefile.am create mode 100644 NEWS create mode 100644 README create mode 100644 build-aux/test-driver.scm create mode 100644 configure.ac create mode 100644 doc/geohash.texi create mode 100644 geohash/hconfig.scm create mode 100644 guix.scm create mode 100644 hall.scm create mode 100644 pre-inst-env.in create mode 100644 tests/geohash.scm diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0a123e7 --- /dev/null +++ b/.gitignore @@ -0,0 +1,65 @@ +*.eps +*.go +*.log +*.pdf +*.png +*.tar.xz +*.tar.gz +*.tmp +*~ +.#* +\#*\# +,* +/ABOUT-NLS +/INSTALL +/aclocal.m4 +/autom4te.cache +/build-aux/ar-lib +/build-aux/compile +/build-aux/config.guess +/build-aux/config.rpath +/build-aux/config.sub +/build-aux/depcomp +/build-aux/install-sh +/build-aux/mdate-sh +/build-aux/missing +/build-aux/test-driver +/build-aux/texinfo.tex +/config.status +/configure +/doc/*.1 +/doc/.dirstamp +/doc/contributing.*.texi +/doc/*.aux +/doc/*.cp +/doc/*.cps +/doc/*.fn +/doc/*.fns +/doc/*.html +/doc/*.info +/doc/*.info-[0-9] +/doc/*.ky +/doc/*.pg +/doc/*.toc +/doc/*.t2p +/doc/*.tp +/doc/*.vr +/doc/*.vrs +/doc/stamp-vti +/doc/version.texi +/doc/version-*.texi +/m4/* +/pre-inst-env +/test-env +/test-tmp +/tests/*.trs +GPATH +GRTAGS +GTAGS +Makefile +Makefile.in +config.cache +stamp-h[0-9] +tmp +/.version +/doc/stamp-[0-9] diff --git a/AUTHORS b/AUTHORS new file mode 100644 index 0000000..a3f6430 --- /dev/null +++ b/AUTHORS @@ -0,0 +1,3 @@ +Contributors to Guile Geohash 0.1: + + Ray Miller diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..f658e91 --- /dev/null +++ b/COPYING @@ -0,0 +1,3 @@ +This project's license is GPL 3+. + +You can read the full license at https://www.gnu.org/licenses/gpl.html. diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..e5864d0 --- /dev/null +++ b/ChangeLog @@ -0,0 +1 @@ +For a complete log, please see the Git commit log at . diff --git a/HACKING b/HACKING new file mode 100644 index 0000000..f7a5cf6 --- /dev/null +++ b/HACKING @@ -0,0 +1,54 @@ +# -*- mode: org; coding: utf-8; -*- + +#+TITLE: Hacking geohash + +* Contributing + +By far the easiest way to hack on geohash is to develop using Guix: + +#+BEGIN_SRC bash + # Obtain the source code + cd /path/to/source-code + guix shell -Df guix.scm + # In the new shell, run: + hall build --execute && autoreconf -vif && ./configure && make check +#+END_SRC + +You may also want to set your directory as an authorized directory for +`guix shell' so it works without arguments. To do that, simply run + +#+BEGIN_SRC bash + echo $(pwd) >> $HOME/.config/guix/shell-authorized-directories +#+END_SRC + +You can now hack this project's files to your heart's content, whilst +testing them from your `guix shell' shell. + +To try out any scripts in the project you can now use + +#+BEGIN_SRC bash + ./pre-inst-env scripts/${script-name} +#+END_SRC + +If you'd like to tidy the project again, but retain the ability to test the +project from the commandline, simply run: + +#+BEGIN_SRC bash + ./hall clean --skip "scripts/${script-name},pre-inst-env" --execute +#+END_SRC + +** Manual Installation + +If you do not yet use Guix, you will have to install this project's +dependencies manually: + - autoconf + - automake + - pkg-config + - texinfo + - guile-hall + +Once those dependencies are installed you can run: + +#+BEGIN_SRC bash + hall build -x && autoreconf -vif && ./configure && make check +#+END_SRC diff --git a/Makefile.am b/Makefile.am new file mode 100644 index 0000000..c5e2cef --- /dev/null +++ b/Makefile.am @@ -0,0 +1,73 @@ +bin_SCRIPTS = + +nodist_noinst_SCRIPTS = pre-inst-env + +GOBJECTS = $(SOURCES:%.scm=%.go) + +moddir=$(prefix)/share/guile/site/$(GUILE_EFFECTIVE_VERSION) +godir=$(libdir)/guile/$(GUILE_EFFECTIVE_VERSION)/site-ccache +ccachedir=$(libdir)/guile/$(GUILE_EFFECTIVE_VERSION)/site-ccache + +nobase_dist_mod_DATA = $(SOURCES) $(NOCOMP_SOURCES) +nobase_go_DATA = $(GOBJECTS) + +# Make sure source files are installed first, so that the mtime of +# installed compiled files is greater than that of installed source +# files. See +# +# for details. +guile_install_go_files = install-nobase_goDATA +$(guile_install_go_files): install-nobase_dist_modDATA + +GUILE_WARNINGS = -Wunbound-variable -Warity-mismatch -Wformat +SUFFIXES = .scm .go +.scm.go: + $(AM_V_GEN)$(top_builddir)/pre-inst-env $(GUILE_TOOLS) compile $(GUILE_TARGET) $(GUILE_WARNINGS) -o "$@" "$<" + +SOURCES = geohash.scm \ + geohash/hconfig.go \ + geohash/hconfig.scm + +TESTS = tests/geohash.scm + +TEST_EXTENSIONS = .scm +SCM_LOG_DRIVER = \ + $(top_builddir)/pre-inst-env \ + $(GUILE) --no-auto-compile -e main \ + $(top_srcdir)/build-aux/test-driver.scm + +# Tell 'build-aux/test-driver.scm' to display only source file names, +# not indivdual test names. +AM_SCM_LOG_DRIVER_FLAGS = --brief=yes + +AM_SCM_LOG_FLAGS = --no-auto-compile -L "$(top_srcdir)" + +AM_TESTS_ENVIRONMENT = abs_top_srcdir="$(abs_top_srcdir)" + +info_TEXINFOS = doc/geohash.texi \ + doc/version.texi + +EXTRA_DIST = README \ + HACKING \ + COPYING \ + doc/.dirstamp \ + doc/stamp-vti \ + doc/guile-geohash.info \ + guix.scm \ + .gitignore \ + hall.scm \ + build-aux/test-driver.scm \ + $(TESTS) + +ACLOCAL_AMFLAGS = -I m4 + +AM_DISTCHECK_DVI_TARGET = info # Disable DVI as part of distcheck + +clean-go: + -$(RM) $(GOBJECTS) +.PHONY: clean-go + +CLEANFILES = \ + $(BUILT_SOURCES) \ + $(GOBJECTS) \ + $(TESTS:tests/%.scm=%.log) diff --git a/NEWS b/NEWS new file mode 100644 index 0000000..0d86ace --- /dev/null +++ b/NEWS @@ -0,0 +1,14 @@ +# -*- mode: org; coding: utf-8; -*- + +#+TITLE: Guile Geohash NEWS – history of user-visible changes +#+STARTUP: content hidestars + +Copyright © (2024) Ray Miller + + Copying and distribution of this file, with or without modification, + are permitted in any medium without royalty provided the copyright + notice and this notice are preserved. + +Please send Guile Geohash bug reports to ray@1729.org.uk. + +* Publication at 0.1 diff --git a/README b/README new file mode 100644 index 0000000..c855772 --- /dev/null +++ b/README @@ -0,0 +1,4 @@ +# -*- mode: org; coding: utf-8; -*- + +#+TITLE: README for Guile Geohash + diff --git a/build-aux/test-driver.scm b/build-aux/test-driver.scm new file mode 100644 index 0000000..0c555ea --- /dev/null +++ b/build-aux/test-driver.scm @@ -0,0 +1,179 @@ +;;;; test-driver.scm - Guile test driver for Automake testsuite harness + +(define script-version "2019-01-15.13") ;UTC + +;;; Copyright © 2015, 2016 Mathieu Lirzin +;;; Copyright © 2019 Alex Sassmannshausen +;;; +;;; This program 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. +;;; +;;; This program 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 this program. If not, see . + +;;;; Commentary: +;;; +;;; This script provides a Guile test driver using the SRFI-64 Scheme API for +;;; test suites. SRFI-64 is distributed with Guile since version 2.0.9. +;;; +;;; This script is a lightly modified version of the orignal written by +;;; Matthieu Lirzin. The changes make it suitable for use as part of the +;;; guile-hall infrastructure. +;;; +;;;; Code: + +(use-modules (ice-9 getopt-long) + (ice-9 pretty-print) + (srfi srfi-26) + (srfi srfi-64)) + +(define (show-help) + (display "Usage: + test-driver --test-name=NAME --log-file=PATH --trs-file=PATH + [--expect-failure={yes|no}] [--color-tests={yes|no}] + [--enable-hard-errors={yes|no}] [--brief={yes|no}}] [--] + TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS] +The '--test-name', '--log-file' and '--trs-file' options are mandatory. +")) + +(define %options + '((test-name (value #t)) + (log-file (value #t)) + (trs-file (value #t)) + (color-tests (value #t)) + (expect-failure (value #t)) ;XXX: not implemented yet + (enable-hard-errors (value #t)) ;not implemented in SRFI-64 + (brief (value #t)) + (help (single-char #\h) (value #f)) + (version (single-char #\V) (value #f)))) + +(define (option->boolean options key) + "Return #t if the value associated with KEY in OPTIONS is 'yes'." + (and=> (option-ref options key #f) (cut string=? <> "yes"))) + +(define* (test-display field value #:optional (port (current-output-port)) + #:key pretty?) + "Display 'FIELD: VALUE\n' on PORT." + (if pretty? + (begin + (format port "~A:~%" field) + (pretty-print value port #:per-line-prefix "+ ")) + (format port "~A: ~S~%" field value))) + +(define* (result->string symbol #:key colorize?) + "Return SYMBOL as an upper case string. Use colors when COLORIZE is #t." + (let ((result (string-upcase (symbol->string symbol)))) + (if colorize? + (string-append (case symbol + ((pass) "") ;green + ((xfail) "") ;light green + ((skip) "") ;blue + ((fail xpass) "") ;red + ((error) "")) ;magenta + result + "") ;no color + result))) + +(define* (test-runner-gnu test-name #:key color? brief? out-port trs-port) + "Return an custom SRFI-64 test runner. TEST-NAME is a string specifying the +file name of the current the test. COLOR? specifies whether to use colors, +and BRIEF?, well, you know. OUT-PORT and TRS-PORT must be output ports. The +current output port is supposed to be redirected to a '.log' file." + + (define (test-on-test-begin-gnu runner) + ;; Procedure called at the start of an individual test case, before the + ;; test expression (and expected value) are evaluated. + (let ((result (cute assq-ref (test-result-alist runner) <>))) + (format #t "test-name: ~A~%" (result 'test-name)) + (format #t "location: ~A~%" + (string-append (result 'source-file) ":" + (number->string (result 'source-line)))) + (test-display "source" (result 'source-form) #:pretty? #t))) + + (define (test-on-test-end-gnu runner) + ;; Procedure called at the end of an individual test case, when the result + ;; of the test is available. + (let* ((results (test-result-alist runner)) + (result? (cut assq <> results)) + (result (cut assq-ref results <>))) + (unless brief? + ;; Display the result of each test case on the console. + (format out-port "~A: ~A - ~A~%" + (result->string (test-result-kind runner) #:colorize? color?) + test-name (test-runner-test-name runner))) + (when (result? 'expected-value) + (test-display "expected-value" (result 'expected-value))) + (when (result? 'expected-error) + (test-display "expected-error" (result 'expected-error) #:pretty? #t)) + (when (result? 'actual-value) + (test-display "actual-value" (result 'actual-value))) + (when (result? 'actual-error) + (test-display "actual-error" (result 'actual-error) #:pretty? #t)) + (format #t "result: ~a~%" (result->string (result 'result-kind))) + (newline) + (format trs-port ":test-result: ~A ~A~%" + (result->string (test-result-kind runner)) + (test-runner-test-name runner)))) + + (define (test-on-group-end-gnu runner) + ;; Procedure called by a 'test-end', including at the end of a test-group. + (let ((fail (or (positive? (test-runner-fail-count runner)) + (positive? (test-runner-xpass-count runner)))) + (skip (or (positive? (test-runner-skip-count runner)) + (positive? (test-runner-xfail-count runner))))) + ;; XXX: The global results need some refinements for XPASS. + (format trs-port ":global-test-result: ~A~%" + (if fail "FAIL" (if skip "SKIP" "PASS"))) + (format trs-port ":recheck: ~A~%" + (if fail "yes" "no")) + (format trs-port ":copy-in-global-log: ~A~%" + (if (or fail skip) "yes" "no")) + (when brief? + ;; Display the global test group result on the console. + (format out-port "~A: ~A~%" + (result->string (if fail 'fail (if skip 'skip 'pass)) + #:colorize? color?) + test-name)) + #f)) + + (let ((runner (test-runner-null))) + (test-runner-on-test-begin! runner test-on-test-begin-gnu) + (test-runner-on-test-end! runner test-on-test-end-gnu) + (test-runner-on-group-end! runner test-on-group-end-gnu) + (test-runner-on-bad-end-name! runner test-on-bad-end-name-simple) + runner)) + +;;; +;;; Entry point. +;;; + +(define (main . args) + (let* ((opts (getopt-long (command-line) %options)) + (option (cut option-ref opts <> <>))) + (cond + ((option 'help #f) (show-help)) + ((option 'version #f) (format #t "test-driver.scm ~A" script-version)) + (else + (let ((log (open-file (option 'log-file "") "w0")) + (trs (open-file (option 'trs-file "") "wl")) + (out (duplicate-port (current-output-port) "wl"))) + (redirect-port log (current-output-port)) + (redirect-port log (current-warning-port)) + (redirect-port log (current-error-port)) + (test-with-runner + (test-runner-gnu (option 'test-name #f) + #:color? (option->boolean opts 'color-tests) + #:brief? (option->boolean opts 'brief) + #:out-port out #:trs-port trs) + (load-from-path (option 'test-name #f))) + (close-port log) + (close-port trs) + (close-port out)))) + (exit 0))) diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..5c7fc20 --- /dev/null +++ b/configure.ac @@ -0,0 +1,39 @@ +dnl -*- Autoconf -*- + +AC_INIT(guile-geohash, 0.1) +AC_SUBST(HVERSION, "\"0.1\"") +AC_SUBST(AUTHOR, "\"Ray Miller\"") +AC_SUBST(COPYRIGHT, "'(2024)") +AC_SUBST(LICENSE, gpl3+) +AC_CONFIG_SRCDIR(geohash.scm) +AC_CONFIG_AUX_DIR([build-aux]) +AM_INIT_AUTOMAKE([1.12 gnu silent-rules subdir-objects color-tests parallel-tests -Woverride -Wno-portability]) +AM_SILENT_RULES([yes]) + +AC_CONFIG_FILES([Makefile]) +AC_CONFIG_FILES([pre-inst-env], [chmod +x pre-inst-env]) + +dnl Search for 'guile' and 'guild'. This macro defines +dnl 'GUILE_EFFECTIVE_VERSION'. +GUILE_PKG([3.0 2.2 2.0]) +GUILE_PROGS +GUILE_SITE_DIR +if test "x$GUILD" = "x"; then + AC_MSG_ERROR(['guild' binary not found; please check your guile-2.x installation.]) +fi + +if test "$cross_compiling" != no; then + GUILE_TARGET="--target=$host_alias" + AC_SUBST([GUILE_TARGET]) +fi + +dnl Hall auto-generated guile-module dependencies + + +dnl Installation directories for .scm and .go files. +guilemoduledir="${datarootdir}/guile/site/$GUILE_EFFECTIVE_VERSION" +guileobjectdir="${libdir}/guile/$GUILE_EFFECTIVE_VERSION/site-ccache" +AC_SUBST([guilemoduledir]) +AC_SUBST([guileobjectdir]) + +AC_OUTPUT diff --git a/doc/geohash.texi b/doc/geohash.texi new file mode 100644 index 0000000..3b6a2b1 --- /dev/null +++ b/doc/geohash.texi @@ -0,0 +1,60 @@ +\input texinfo +@c -*-texinfo-*- + +@c %**start of header +@setfilename guile-geohash.info +@documentencoding UTF-8 +@settitle Guile Geohash Reference Manual +@c %**end of header + +@include version.texi + +@copying +Copyright @copyright{} 2024 Ray Miller + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with no +Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A +copy of the license is included in the section entitled ``GNU Free +Documentation License''. +@end copying + +@dircategory The Algorithmic Language Scheme +@direntry +* Guile Geohash: (guile-geohash). +@end direntry + +@titlepage +@title The Guile Geohash Manual +@author Ray Miller + +@page +@vskip 0pt plus 1filll +Edition @value{EDITION} @* +@value{UPDATED} @* + +@insertcopying +@end titlepage + +@contents + +@c ********************************************************************* +@node Top +@top Guile Geohash + +This document describes Guile Geohash version @value{VERSION}. + +@menu +* Introduction:: Why Guile Geohash? +@end menu + +@c ********************************************************************* +@node Introduction +@chapter Introduction + +INTRODUCTION HERE + +This documentation is a stub. + +@bye diff --git a/geohash.scm b/geohash.scm index e885353..be1000c 100644 --- a/geohash.scm +++ b/geohash.scm @@ -10,7 +10,7 @@ (define base32 "0123456789bcdefghjkmnpqrstuvwxyz") -(define* (encode lat lon #:key (precision 12)) +(define* (encode lat lon #:key (precision 6)) (define desired-precision (min precision max-precision)) (let loop ((lat-min -90.0) (lat-max 90.0) diff --git a/geohash/hconfig.scm b/geohash/hconfig.scm new file mode 100644 index 0000000..7e98b4f --- /dev/null +++ b/geohash/hconfig.scm @@ -0,0 +1,35 @@ +(define-module + (geohash hconfig) + #:use-module + (srfi srfi-26) + #:export + (%version + %author + %license + %copyright + %gettext-domain + G_ + N_ + init-nls + init-locale)) + +(define %version "0.1") + +(define %author "Ray Miller") + +(define %license 'gpl3+) + +(define %copyright '(2024)) + +(define %gettext-domain "guile-geohash") + +(define G_ identity) + +(define N_ identity) + +(define (init-nls) "Dummy as no NLS is used" #t) + +(define (init-locale) + "Dummy as no NLS is used" + #t) + diff --git a/guix.scm b/guix.scm new file mode 100644 index 0000000..0bf6802 --- /dev/null +++ b/guix.scm @@ -0,0 +1,40 @@ +(use-modules + (gnu packages) + (gnu packages autotools) + (gnu packages guile) + (gnu packages guile-xyz) + (gnu packages pkg-config) + (gnu packages texinfo) + (guix build-system gnu) + (guix download) + (guix gexp) + ((guix licenses) #:prefix license:) + (guix packages) + (srfi srfi-1)) + +(package + (name "guile-geohash") + (version "0.1") + (source + (local-file + (dirname (current-filename)) + #:recursive? + #t + #:select? + (lambda (file stat) + (not (any (lambda (my-string) + (string-contains file my-string)) + (list ".git" ".dir-locals.el" "guix.scm")))))) + (build-system gnu-build-system) + (arguments `()) + (native-inputs + (list autoconf automake pkg-config texinfo)) + (inputs (list guile-3.0)) + (propagated-inputs (list)) + (synopsis "Geohash encoding and decoding") + (description + "A geohash is a convenient way of expressing a location (anywhere in the world) using a short alphanumeric string, with greater precision obtained with longer strings. This implementation is based on a Javascript implementation (c) Chris Veness 2014-2019 / MIT Licence.") + (home-page + "https://github.com/ray1729/guile-geohash") + (license license:gpl3+)) + diff --git a/hall.scm b/hall.scm new file mode 100644 index 0000000..4b7a356 --- /dev/null +++ b/hall.scm @@ -0,0 +1,43 @@ +(hall-description + (name "geohash") + (prefix "guile") + (version "0.1") + (author "Ray Miller") + (email "ray@1729.org.uk") + (copyright (2024)) + (synopsis "Geohash encoding and decoding") + (description + "A geohash is a convenient way of expressing a location (anywhere in the world) using a short alphanumeric string, with greater precision obtained with longer strings. This implementation is based on a Javascript implementation (c) Chris Veness 2014-2019 / MIT Licence.") + (home-page + "https://github.com/ray1729/guile-geohash") + (license gpl3+) + (dependencies `()) + (skip ()) + (features + ((guix #t) + (use-guix-specs-for-dependencies #f) + (native-language-support #f) + (licensing #f))) + (files (libraries + ((scheme-file "geohash") + (directory + "geohash" + ((compiled-scheme-file "hconfig") + (scheme-file "hconfig"))))) + (tests ((directory "tests" ((scheme-file "geohash"))))) + (programs ((directory "scripts" ()))) + (documentation + ((symlink "README" "README.org") + (text-file "HACKING") + (text-file "COPYING") + (directory + "doc" + ((texi-file "geohash") + (text-file ".dirstamp") + (text-file "stamp-vti") + (texi-file "version") + (info-file "guile-geohash"))))) + (infrastructure + ((scheme-file "guix") + (text-file ".gitignore") + (scheme-file "hall"))))) diff --git a/pre-inst-env.in b/pre-inst-env.in new file mode 100644 index 0000000..31c499d --- /dev/null +++ b/pre-inst-env.in @@ -0,0 +1,13 @@ +#!/bin/sh + +abs_top_srcdir="`cd "@abs_top_srcdir@" > /dev/null; pwd`" +abs_top_builddir="`cd "@abs_top_builddir@" > /dev/null; pwd`" + +GUILE_LOAD_COMPILED_PATH="$abs_top_builddir${GUILE_LOAD_COMPILED_PATH:+:}$GUILE_LOAD_COMPILED_PATH" +GUILE_LOAD_PATH="$abs_top_builddir:$abs_top_srcdir${GUILE_LOAD_PATH:+:}:$GUILE_LOAD_PATH" +export GUILE_LOAD_COMPILED_PATH GUILE_LOAD_PATH + +PATH="$abs_top_builddir/scripts:$PATH" +export PATH + +exec "$@" diff --git a/tests/geohash.scm b/tests/geohash.scm new file mode 100644 index 0000000..e3f3a2e --- /dev/null +++ b/tests/geohash.scm @@ -0,0 +1,42 @@ +(define-module (test-geohash) + #:use-module (geohash) + #:use-module (ice-9 receive) + #:use-module (srfi srfi-64)) + +(define (approximately? test-expr expected error) + (and (>= test-expr (- expected error)) + (<= test-expr (+ expected error)))) + +(test-begin "geohash") + +(test-equal "encode Jutland" + "u4pruy" + (encode 57.648 10.410 #:precision 6)) + +(test-assert "decode Jutland" + (receive (lat lon) (decode "u4pruy") + (and (approximately? lat 57.648 0.0001) + (approximately? lon 10.410 0.0001)))) + +(test-equal "encode Curitiba" + "6gkzwgjz" + (encode -25.38262 -49.26561 #:precision 8)) + +(test-assert "decode Curitiba" + (receive (lat lon) (decode "6gkzwgjz") + (and (approximately? lat -25.38262 0.000001) + (approximately? lon -49.26561 0.000001)))) + +(test-equal "neighbours" + '((n . "gbpb") (ne . "u000") (e . "spbp") (se . "spbn") (s . "ezzy") (sw . "ezzw") (w . "ezzx") (nw . "gbp8")) + (neighbours "ezzz")) + +(test-equal "encode max precision" + "wy85bj0hbp21" + (encode 37.25 123.75 #:precision 12)) + +(test-equal "encode default precision" + "wy85bj" + (encode 37.25 123.75)) + +(test-end)