From 3b56c0653b796a8d0957cb4aec30d01d68cf87c0 Mon Sep 17 00:00:00 2001
From: Sven-S. Porst
Date: Mon, 25 Aug 2014 13:06:52 +0200
Subject: yaz: recommend depending on icu4c

as discussed in #31830

Also:

* add test for yaz-icu when building with ICU
* do not use File.open for writing test configuration files
---
 Library/Formula/yaz.rb | 49 ++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 42 insertions(+), 7 deletions(-)

(limited to 'Library/Formula')

diff --git a/Library/Formula/yaz.rb b/Library/Formula/yaz.rb
index f0fbf3473..6bee9a4b0 100644
--- a/Library/Formula/yaz.rb
+++ b/Library/Formula/yaz.rb
@@ -14,6 +14,7 @@ class Yaz < Formula
   end
 
   depends_on "pkg-config" => :build
+  depends_on "icu4c" => :recommended
   depends_on "gnutls" => :optional
 
   def install
@@ -23,15 +24,49 @@ class Yaz < Formula
     system "make install"
   end
 
-  # This test converts between MARC8, an obscure mostly-obsolete library
-  # text encoding supported by yaz-iconv, and UTF8.
   test do
-    File.open("marc8.txt", "w") do |f|
-      f.write "$1!0-!L,i$3i$si$Ki$Ai$O!+=(B"
-    end
-
-    result = `"#{bin}/yaz-iconv" -f marc8 -t utf8 marc8.txt`.chomp
+    # This test converts between MARC8, an obscure mostly-obsolete library
+    # text encoding supported by yaz-iconv, and UTF8.
+    marc8file = testpath/"marc8.txt"
+    marc8file.write "$1!0-!L,i$3i$si$Ki$Ai$O!+=(B"
+    result = `#{bin}/yaz-iconv -f marc8 -t utf8 #{marc8file}`
     result.force_encoding(Encoding::UTF_8) if result.respond_to?(:force_encoding)
     assert_equal "世界こんにちは！", result
+
+    # Test ICU support if building with ICU by running yaz-icu
+    # with the example icu_chain from its man page.
+    if build.with? "icu4c"
+      # The input string should be transformed to be:
+      # * without control characters (tab)
+      # * split into tokens at word boundaries (including -)
+      # * without whitespace and Punctuation
+      # * xy transformed to z
+      # * lowercase
+      configurationfile = testpath/"icu-chain.xml"
+      configurationfile.write <<-EOS.undent
+        <?xml version="1.0" encoding="UTF-8"?>
+        <icu_chain locale="en">
+          <transform rule="[:Control:] Any-Remove"/>
+          <tokenize rule="w"/>
+          <transform rule="[[:WhiteSpace:][:Punctuation:]] Remove"/>
+          <transliterate rule="xy > z;"/>
+          <display/>
+          <casemap rule="l"/>
+        </icu_chain>
+      EOS
+
+      inputfile = testpath/"icu-test.txt"
+      inputfile.write "yaz-ICU	xy!"
+
+      expectedresult = <<-EOS.undent
+        1 1 'yaz' 'yaz'
+        2 1 '' ''
+        3 1 'icuz' 'ICUz'
+        4 1 '' ''
+      EOS
+
+      result = `#{bin}/yaz-icu -c #{configurationfile} #{inputfile}`
+      assert_equal expectedresult, result
+    end
   end
 end
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