spec/io_spec.rb in nmatrix-0.1.0.rc3 vs spec/io_spec.rb in nmatrix-0.1.0.rc4

@@ -23,24 +23,17 @@
 # == io_spec.rb
 #
 # Basic tests for NMatrix::IO.
 #
 require "tmpdir" # Used to avoid cluttering the repository.
-
+require 'spec_helper'
 require "./lib/nmatrix"
 
 describe NMatrix::IO do
-  before :each do
-    @tmp_dir = Dir.mktmpdir
-    @test_out = File.join(@tmp_dir, "test-out")
-  end
+  let(:tmp_dir)  { Dir.mktmpdir }
+  let(:test_out) { File.join(tmp_dir, 'test-out') }
 
-  after :each do
-    File.delete(@test_out) if File.file?(@test_out)
-    Dir.rmdir(@tmp_dir)
-  end
-
   it "repacks a string" do
     expect(NMatrix::IO::Matlab.repack("hello", :miUINT8, :byte)).to eq("hello")
   end
 
   it "creates yale from internal byte-string function" do
@@ -100,57 +93,57 @@
     expect{ NMatrix.read(fn) }.to raise_error(Errno::ENOENT)
   end
 
   it "reads and writes NMatrix dense" do
     n = NMatrix.new(:dense, [4,3], [0,1,2,3,4,5,6,7,8,9,10,11], :int32)
-    n.write(@test_out)
+    n.write(test_out)
 
-    m = NMatrix.read(@test_out)
+    m = NMatrix.read(test_out)
     expect(n).to eq(m)
   end
 
   it "reads and writes NMatrix dense as symmetric" do
     n = NMatrix.new(:dense, 3, [0,1,2,1,3,4,2,4,5], :int16)
-    n.write(@test_out, :symmetric)
+    n.write(test_out, :symmetric)
 
-    m = NMatrix.read(@test_out)
+    m = NMatrix.read(test_out)
     expect(n).to eq(m)
   end
 
   it "reads and writes NMatrix dense as skew" do
     n = NMatrix.new(:dense, 3, [0,1,2,-1,3,4,-2,-4,5], :float64)
-    n.write(@test_out, :skew)
+    n.write(test_out, :skew)
 
-    m = NMatrix.read(@test_out)
+    m = NMatrix.read(test_out)
     expect(n).to eq(m)
   end
 
   it "reads and writes NMatrix dense as hermitian" do
     n = NMatrix.new(:dense, 3, [0,1,2,1,3,4,2,4,5], :complex64)
-    n.write(@test_out, :hermitian)
+    n.write(test_out, :hermitian)
 
-    m = NMatrix.read(@test_out)
+    m = NMatrix.read(test_out)
     expect(n).to eq(m)
   end
 
   it "reads and writes NMatrix dense as upper" do
     n = NMatrix.new(:dense, 3, [-1,1,2,3,4,5,6,7,8], :int32)
-    n.write(@test_out, :upper)
+    n.write(test_out, :upper)
 
     m = NMatrix.new(:dense, 3, [-1,1,2,0,4,5,0,0,8], :int32) # lower version of the same
 
-    o = NMatrix.read(@test_out)
+    o = NMatrix.read(test_out)
     expect(o).to eq(m)
     expect(o).not_to eq(n)
   end
 
   it "reads and writes NMatrix dense as lower" do
     n = NMatrix.new(:dense, 3, [-1,1,2,3,4,5,6,7,8], :int32)
-    n.write(@test_out, :lower)
+    n.write(test_out, :lower)
 
     m = NMatrix.new(:dense, 3, [-1,0,0,3,4,0,6,7,8], :int32) # lower version of the same
 
-    o = NMatrix.read(@test_out)
+    o = NMatrix.read(test_out)
     expect(o).to eq(m)
     expect(o).not_to eq(n)
   end
 end