From f59d5d1b62b1c2b2f505acc535c798e7c47974df Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Tue, 24 Nov 2020 11:33:20 +0100
Subject: Add support for restricting search/output to specific fields.

---
 test/acceptance/acceptance_test.rb | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'test/acceptance/acceptance_test.rb')

diff --git a/test/acceptance/acceptance_test.rb b/test/acceptance/acceptance_test.rb
index 13af803..cbc6d45 100644
--- a/test/acceptance/acceptance_test.rb
+++ b/test/acceptance/acceptance_test.rb
@@ -447,6 +447,29 @@ class FzyTest < Minitest::Test
     TTY
   end
 
+  def test_field
+    @tty = interactive_fzy(input: %w[1/foo 2/bar], args: "-d/ -f2 -F1")
+    @tty.assert_matches(">\nfoo\nbar")
+
+    @tty.send_keys("foo\r")
+    @tty.assert_matches "1" # the first field
+  end
+
+  def test_field_input_only
+    @tty = interactive_fzy(input: %w[1:foo 2:bar], args: "-f2")
+    @tty.assert_matches ">\nfoo\nbar"
+
+    @tty.send_keys("bar\r")
+    @tty.assert_matches "2:bar" # the whole line
+
+  end
+
+  def test_field_ignored_line
+    # not enough fields for -f or -F
+    @tty = interactive_fzy(input: %w[1:foo:x 2:baz 3 4:bar:y], args: "-f2 -F3")
+    @tty.assert_matches ">\nfoo\nbar"
+  end
+
   def test_show_info
     @tty = interactive_fzy(input: %w[foo bar baz], args: "-i")
     @tty.assert_matches ">\n[3/3]\nfoo\nbar\nbaz"
@@ -469,6 +492,9 @@ Usage: fzy [OPTION]...
  -0, --read-null          Read input delimited by ASCII NUL characters
  -j, --workers NUM        Use NUM workers for searching. (default is # of CPUs)
  -i, --show-info          Show selection info line
+ -d, --delimiter=DELIM    Use DELIM to split the line to fields (default ':')
+ -f, --field=NUM          Use field NUM for searching (default is the whole line)
+ -F, --output-field=NUM   Use field NUM for output (default is the whole line)
  -h, --help     Display this help and exit
  -v, --version  Output version information and exit
 TTY
-- 
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