Add tests

test/pdf/reader/find_text_test.rb

@@ -7,7 +7,30 @@ class PDF::Reader::FindTextTest < Minitest::Test
     refute_nil ::PDF::Reader::FindText::VERSION
   end
 
-  def test_it_does_something_useful
-    assert false
+  def test_that_it_finds_single_text_in_pdf
+    reader = PDF::Reader.new File.open('test/test.pdf')
+
+    results = reader.pages.first.find_text('MICHELANGELO')
+    assert_equal 1, results.size
+    assert_equal 25, results.first.x
+    assert_equal 25, results.first.y
+  end
+
+  def test_that_it_finds_multiple_text_in_pdf
+    reader = PDF::Reader.new File.open('test/test.pdf')
+
+    results = reader.pages.first.find_text('Cowabunga')
+    assert_equal 3, results.size
+    assert_equal 247.64, results.first.x
+    assert_equal 420.945, results.first.y
+  end
+
+  def test_that_it_finds_complicated_text_in_pdf
+    reader = PDF::Reader.new File.open('test/test.pdf')
+
+    results = reader.pages.first.find_text('Cowabunga, le cri des ninjas !')
+    assert_equal 3, results.size
+    assert_equal 247.64, results.first.x
+    assert_equal 420.945, results.first.y
   end
 end

test/test.pdf

@@ -0,0 +1,115 @@
+%PDF-1.3
+%ÿÿÿÿ
+1 0 obj
+<< /Creator <feff0050007200610077006e>
+/Producer <feff0050007200610077006e>
+>>
+endobj
+2 0 obj
+<< /Type /Catalog
+/Pages 3 0 R
+>>
+endobj
+3 0 obj
+<< /Type /Pages
+/Count 1
+/Kids [5 0 R]
+>>
+endobj
+4 0 obj
+<< /Length 648
+>>
+stream
+q
+
+BT
+25.0 25.0 Td
+/F1.0 12 Tf
+[<4d494348454c414e47454c4f>] TJ
+ET
+
+
+BT
+25.0 804.89 Td
+/F1.0 12 Tf
+[<4c454f4e4152444f>] TJ
+ET
+
+
+BT
+490.28 804.89 Td
+/F1.0 12 Tf
+[<444f4e41> 120 <54454c4c4f>] TJ
+ET
+
+
+BT
+490.28 25.0 Td
+/F1.0 12 Tf
+[<5241504841454c>] TJ
+ET
+
+
+BT
+247.64 420.945 Td
+/F1.0 12 Tf
+[<436f> 15 <77> 15 <6162> 20 <756e67612c206c65206372> -15 <6920646573206e696e6a61732021>] TJ
+ET
+
+
+BT
+247.64 440.945 Td
+/F1.0 12 Tf
+[<436f> 15 <77> 15 <6162> 20 <756e67612c206c65206372> -15 <6920646573206e696e6a61732021>] TJ
+ET
+
+
+BT
+247.64 460.945 Td
+/F1.0 12 Tf
+[<436f> 15 <77> 15 <6162> 20 <756e67612c206c65206372> -15 <6920646573206e696e6a61732021>] TJ
+ET
+
+Q
+
+endstream
+endobj
+5 0 obj
+<< /Type /Page
+/Parent 3 0 R
+/MediaBox [0 0 595.28 841.89]
+/CropBox [0 0 595.28 841.89]
+/BleedBox [0 0 595.28 841.89]
+/TrimBox [0 0 595.28 841.89]
+/ArtBox [0 0 595.28 841.89]
+/Contents 4 0 R
+/Resources << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI]
+/Font << /F1.0 6 0 R
+>>
+>>
+>>
+endobj
+6 0 obj
+<< /Type /Font
+/Subtype /Type1
+/BaseFont /Helvetica
+/Encoding /WinAnsiEncoding
+>>
+endobj
+xref
+0 7
+0000000000 65535 f 
+0000000015 00000 n 
+0000000109 00000 n 
+0000000158 00000 n 
+0000000215 00000 n 
+0000000914 00000 n 
+0000001210 00000 n 
+trailer
+<< /Size 7
+/Root 2 0 R
+/Info 1 0 R
+>>
+startxref
+1307
+%%EOF