add tests for simple config

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>

test/unit/simpleconfig_test.rb

@@ -0,0 +1,75 @@
+# encoding: utf-8
+require 'helper'
+
+describe 'SimpleConfig' do
+  describe 'default parser' do
+    it 'should parse an empty string' do
+      cur = SimpleConfig.new('')
+      cur.params.must_equal({})
+    end
+
+    it 'should parse only spaces' do
+      cur = SimpleConfig.new('    ')
+      cur.params.must_equal({})
+    end
+
+    it 'should parse only tabs' do
+      cur = SimpleConfig.new("\t")
+      cur.params.must_equal({})
+    end
+
+    it 'should parse only newlines' do
+      cur = SimpleConfig.new("\n")
+      cur.params.must_equal({})
+    end
+
+    it 'should parse a simple assignment' do
+      cur = SimpleConfig.new('a = b')
+      cur.params.must_equal({ 'a' => 'b' })
+    end
+
+    it 'should parse a multiple assignments' do
+      cur = SimpleConfig.new("a = b\n\nc = d")
+      cur.params.must_equal({ 'a' => 'b', 'c' => 'd' })
+    end
+
+    it 'handles files with only comments' do
+      cur = SimpleConfig.new('#a comment')
+      cur.params.must_equal({})
+    end
+
+    it 'handles separate comments and assignments' do
+      cur = SimpleConfig.new("# hello world\n\na = b")
+      cur.params.must_equal({ 'a' => 'b' })
+    end
+
+    it 'handles comments and assignments combined' do
+      cur = SimpleConfig.new('a = b# hello')
+      cur.params.must_equal({ 'a' => 'b' })
+    end
+
+    it 'handles groups' do
+      cur = SimpleConfig.new('[g]')
+      cur.params.must_equal({ 'g' => {} })
+    end
+
+    it 'handles non-group assignments and groups' do
+      cur = SimpleConfig.new("a = b\n[g]")
+      cur.params.must_equal({ 'a' => 'b', 'g' => {} })
+    end
+
+    it 'handles assignments in groups' do
+      cur = SimpleConfig.new("[g]\na = b")
+      cur.params.must_equal({ 'g' => { 'a' => 'b' } })
+    end
+
+    it 'handles multiple groups' do
+      cur = SimpleConfig.new("[g]\na = b\n[k]\n\nc = d")
+      res = {
+        'g' => { 'a' => 'b' },
+        'k' => { 'c' => 'd' },
+      }
+      cur.params.must_equal(res)
+    end
+  end
+end