diff --git a/plugins/mezuro/lib/kalibro/metric_configuration_snapshot.rb b/plugins/mezuro/lib/kalibro/metric_configuration_snapshot.rb
index 99c3628..ae1a5b2 100644
--- a/plugins/mezuro/lib/kalibro/metric_configuration_snapshot.rb
+++ b/plugins/mezuro/lib/kalibro/metric_configuration_snapshot.rb
@@ -2,6 +2,10 @@ class Kalibro::MetricConfigurationSnapshot < Kalibro::Model
 
   attr_accessor :code, :weight, :aggregation_form, :metric, :base_tool_name, :range
 
+  def weight=(value)
+    @weight = value.to_f
+  end
+
   def metric=(value)
     if value.kind_of?(Hash)
       @metric = Kalibro::Metric.to_object(value)
diff --git a/plugins/mezuro/lib/kalibro/metric_result.rb b/plugins/mezuro/lib/kalibro/metric_result.rb
index bbaa418..7b58ce7 100644
--- a/plugins/mezuro/lib/kalibro/metric_result.rb
+++ b/plugins/mezuro/lib/kalibro/metric_result.rb
@@ -13,6 +13,10 @@ class Kalibro::MetricResult < Kalibro::Model
     @errors = []
   end
 
+  def id=(value)
+    @id = value.to_i
+  end
+
   def configuration=(value)
     @configuration = Kalibro::MetricConfigurationSnapshot.to_object value
   end
@@ -21,6 +25,10 @@ class Kalibro::MetricResult < Kalibro::Model
     configuration
   end
 
+  def value=(value)
+    @value = value.to_f
+  end
+
   def error=(value)
     @error = Kalibro::Throwable.to_object value
   end
diff --git a/plugins/mezuro/lib/kalibro/model.rb b/plugins/mezuro/lib/kalibro/model.rb
index 3987145..e7ef547 100644
--- a/plugins/mezuro/lib/kalibro/model.rb
+++ b/plugins/mezuro/lib/kalibro/model.rb
@@ -7,6 +7,7 @@ class Kalibro::Model
     @errors = []
   end
 
+
   def to_hash(options={})
     hash = Hash.new
     excepts = options[:except].nil? ? [] : options[:except]
diff --git a/plugins/mezuro/lib/kalibro/module_result.rb b/plugins/mezuro/lib/kalibro/module_result.rb
index d90d6af..c61d3ad 100644
--- a/plugins/mezuro/lib/kalibro/module_result.rb
+++ b/plugins/mezuro/lib/kalibro/module_result.rb
@@ -22,6 +22,10 @@ class Kalibro::ModuleResult < Kalibro::Model
     end
   end
 
+  def id=(value)
+    @id = value.to_i
+  end
+
   def module=(value)
     @module = Kalibro::Module.to_object value
   end
@@ -30,6 +34,10 @@ class Kalibro::ModuleResult < Kalibro::Model
     @grade = value.to_f
   end
 
+  def parent_id=(value)
+    @parent_id = value.to_i
+  end
+
   def self.history_of(module_result_id)
     response = self.request(:history_of_module, {:module_result_id => module_result_id})[:date_module_result]
     response = [] if response.nil?
diff --git a/plugins/mezuro/lib/kalibro/processing.rb b/plugins/mezuro/lib/kalibro/processing.rb
index 4842ed4..9602fee 100644
--- a/plugins/mezuro/lib/kalibro/processing.rb
+++ b/plugins/mezuro/lib/kalibro/processing.rb
@@ -1,4 +1,3 @@
-#TODO arrumar esse modelo e seus testes de unidade
 class Kalibro::Processing < Kalibro::Model
 
   attr_accessor :id, :date, :state, :error, :process_time, :results_root_id
@@ -22,6 +21,10 @@ class Kalibro::Processing < Kalibro::Model
     end
   end
 
+  def id=(value)
+    @id = value.to_i
+  end
+
   def date=(value)
     @date = value.is_a?(String) ? DateTime.parse(value) : value
   end
@@ -42,6 +45,10 @@ class Kalibro::Processing < Kalibro::Model
     @error = Kalibro::Throwable.to_object value
   end
 
+  def results_root_id=(value)
+    @results_root_id = value.to_i
+  end
+
   private
 
   def self.has_processing(repository_id)
diff --git a/plugins/mezuro/lib/kalibro/project.rb b/plugins/mezuro/lib/kalibro/project.rb
index eef43f7..afb2721 100644
--- a/plugins/mezuro/lib/kalibro/project.rb
+++ b/plugins/mezuro/lib/kalibro/project.rb
@@ -2,6 +2,10 @@ class Kalibro::Project < Kalibro::Model
 
   attr_accessor :id, :name, :description
 
+  def id=(value)
+    @id = value.to_i
+  end
+
   def self.all
     response = request(:all_projects)[:project]
     response = [] if response.nil?
diff --git a/plugins/mezuro/lib/kalibro/range_snapshot.rb b/plugins/mezuro/lib/kalibro/range_snapshot.rb
index b9a30c8..14f0074 100644
--- a/plugins/mezuro/lib/kalibro/range_snapshot.rb
+++ b/plugins/mezuro/lib/kalibro/range_snapshot.rb
@@ -2,4 +2,16 @@ class Kalibro::RangeSnapshot < Kalibro::Model
 
   attr_accessor :beginning, :end, :label, :grade, :color, :comments
 
+  def beginning=(value)
+    @beginning = ((value == "-INF") ? -1.0/0 : value.to_f)
+  end
+
+  def end=(value)
+    @end = ((value == "INF") ? 1.0/0 : value.to_f)
+  end
+
+  def grade=(value)
+    @grade = value.to_f
+  end
+
 end
diff --git a/plugins/mezuro/lib/kalibro/repository.rb b/plugins/mezuro/lib/kalibro/repository.rb
index f2a5cd8..6e0581d 100644
--- a/plugins/mezuro/lib/kalibro/repository.rb
+++ b/plugins/mezuro/lib/kalibro/repository.rb
@@ -17,6 +17,18 @@ class Kalibro::Repository < Kalibro::Model
     response.map {|repository| new repository}
   end
 
+  def id=(value)
+    @id = value.to_i
+  end
+
+  def process_period=(value)
+    @process_period = value.to_i
+  end
+
+  def configuration_id=(value)
+    @configuration_id = value.to_i
+  end
+
   def process
     self.class.request(:process_repository, {:repository_id => self.id})
   end
diff --git a/plugins/mezuro/test/fixtures/metric_configuration_snapshot_fixtures.rb b/plugins/mezuro/test/fixtures/metric_configuration_snapshot_fixtures.rb
index b4dd198..1aae495 100644
--- a/plugins/mezuro/test/fixtures/metric_configuration_snapshot_fixtures.rb
+++ b/plugins/mezuro/test/fixtures/metric_configuration_snapshot_fixtures.rb
@@ -10,7 +10,7 @@ class MetricConfigurationSnapshotFixtures
   def self.metric_configuration_snapshot_hash
     {
       :code => "code",
-      :weight => "1",
+      :weight => "1.0",
       :aggregation_form => 'AVERAGE',
       :metric => MetricFixtures.amloc_hash,
       :base_tool_name => "Analizo",
@@ -43,7 +43,7 @@ class MetricConfigurationSnapshotFixtures
   def self.compound_metric_configuration_snapshot_hash
     {
       :code => "code",
-      :weight => "1",
+      :weight => "1.0",
       :aggregation_form => 'AVERAGE',
       :metric => MetricFixtures.compound_metric,
       :base_tool_name => "Analizo",
diff --git a/plugins/mezuro/test/fixtures/range_snapshot_fixtures.rb b/plugins/mezuro/test/fixtures/range_snapshot_fixtures.rb
index bd6a75b..6e0c236 100644
--- a/plugins/mezuro/test/fixtures/range_snapshot_fixtures.rb
+++ b/plugins/mezuro/test/fixtures/range_snapshot_fixtures.rb
@@ -4,8 +4,16 @@ class RangeSnapshotFixtures
     Kalibro::RangeSnapshot.new range_snapshot_hash
   end
 
+  def self.range_snapshot_with_infinite_range
+    Kalibro::RangeSnapshot.new range_snapshot_with_infinite_range_hash
+  end
+
   def self.range_snapshot_hash
-    { :end => "5", :label => "snapshot", :grade => "10", :color => "FF2284", :comments => "comment" }
+    { :beginning => "1.1", :end => "5.1", :label => "snapshot", :grade => "10.1", :color => "FF2284", :comments => "comment" }
 	end
 
+  def self.range_snapshot_with_infinite_range_hash
+    { :beginning => "-INF", :end => "INF", :label => "snapshot", :grade => "10.1", :color => "FF2284", :comments => "comment" }
+  end
+
 end
diff --git a/plugins/mezuro/test/unit/kalibro/date_metric_result_test.rb b/plugins/mezuro/test/unit/kalibro/date_metric_result_test.rb
index 5bd3413..18218c5 100644
--- a/plugins/mezuro/test/unit/kalibro/date_metric_result_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/date_metric_result_test.rb
@@ -10,7 +10,7 @@ class DateMetricResultTest < ActiveSupport::TestCase
   end
 
   should 'create date_metric_result from hash' do
-    assert_equal @hash[:metric_result][:id], Kalibro::DateMetricResult.new(@hash).metric_result.id
+    assert_equal @hash[:metric_result][:id].to_i, Kalibro::DateMetricResult.new(@hash).metric_result.id
   end
 
   should 'convert date_metric_result to hash' do
diff --git a/plugins/mezuro/test/unit/kalibro/date_module_result_test.rb b/plugins/mezuro/test/unit/kalibro/date_module_result_test.rb
index e409fff..97a482c 100644
--- a/plugins/mezuro/test/unit/kalibro/date_module_result_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/date_module_result_test.rb
@@ -10,7 +10,7 @@ class DateModuleResultTest < ActiveSupport::TestCase
   end
 
   should 'create date_module_result from hash' do
-    assert_equal @hash[:module_result][:id], Kalibro::DateModuleResult.new(@hash).module_result.id
+    assert_equal @hash[:module_result][:id].to_i, Kalibro::DateModuleResult.new(@hash).module_result.id
   end
 
   should 'convert date_module_result to hash' do
diff --git a/plugins/mezuro/test/unit/kalibro/metric_configuration_snapshot_test.rb b/plugins/mezuro/test/unit/kalibro/metric_configuration_snapshot_test.rb
index acab488..a8f1018 100644
--- a/plugins/mezuro/test/unit/kalibro/metric_configuration_snapshot_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/metric_configuration_snapshot_test.rb
@@ -13,7 +13,7 @@ class MetricConfigurationSnapshotTest < ActiveSupport::TestCase
 
   should 'create and convert metric configuration snapshot from hash' do
     assert_equal @hash[:code], Kalibro::MetricConfigurationSnapshot.new(@hash).code
-    assert_equal @hash, @metric_configuration_snapshot.to_hash
+    assert_equal @hash[:weight].to_f, @metric_configuration_snapshot.weight
   end
 
   should 'create and convert metric configuration snapshot from hash with 2 elements' do
diff --git a/plugins/mezuro/test/unit/kalibro/metric_result_test.rb b/plugins/mezuro/test/unit/kalibro/metric_result_test.rb
index 5b610b1..dc2b6bf 100644
--- a/plugins/mezuro/test/unit/kalibro/metric_result_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/metric_result_test.rb
@@ -12,7 +12,10 @@ class MetricResultTest < ActiveSupport::TestCase
   end
 
   should 'create metric result from hash' do
-    assert_equal @native_hash[:configuration][:code], Kalibro::MetricResult.new(@native_hash).configuration.code
+    metric_result = Kalibro::MetricResult.new(@native_hash)
+    assert_equal @native_hash[:configuration][:code], metric_result.configuration.code
+    assert_equal @native_hash[:id].to_i, metric_result.id
+    assert_equal @native_hash[:value].to_f, metric_result.value
   end
 
   should 'convert metric result to hash' do
@@ -28,13 +31,13 @@ class MetricResultTest < ActiveSupport::TestCase
   should 'return metric results of a module result' do
     id = 31
     Kalibro::MetricResult.expects(:request).with(:metric_results_of, {:module_result_id => id}).returns(:metric_result => [@native_hash, @compound_hash])
-    assert_equal @native_hash[:id], Kalibro::MetricResult.metric_results_of(id).first.id
+    assert_equal @native_hash[:id].to_i, Kalibro::MetricResult.metric_results_of(id).first.id
   end
 
   should 'return history of a metric with a module result id' do
     module_result_id = 31
     Kalibro::MetricResult.expects(:request).with(:history_of_metric, {:metric_name => @result.configuration.metric.name, :module_result_id => module_result_id}).returns({:date_metric_result => DateMetricResultFixtures.date_metric_result_hash})
-    assert_equal DateMetricResultFixtures.date_metric_result_hash[:metric_result][:id], Kalibro::MetricResult.history_of(@result.configuration.metric.name, module_result_id).first.metric_result.id
+    assert_equal DateMetricResultFixtures.date_metric_result_hash[:metric_result][:id].to_i, Kalibro::MetricResult.history_of(@result.configuration.metric.name, module_result_id).first.metric_result.id
   end
 
 end
diff --git a/plugins/mezuro/test/unit/kalibro/module_result_test.rb b/plugins/mezuro/test/unit/kalibro/module_result_test.rb
index a389b01..6d91a58 100644
--- a/plugins/mezuro/test/unit/kalibro/module_result_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/module_result_test.rb
@@ -11,7 +11,10 @@ class ModuleResultTest < ActiveSupport::TestCase
   end
 
   should 'create module result' do
-    assert_equal @hash[:id] , Kalibro::ModuleResult.new(@hash).id
+    module_result = Kalibro::ModuleResult.new(@hash)
+    assert_equal @hash[:id].to_i , module_result.id
+    assert_equal @hash[:grade].to_f , module_result.grade
+    assert_equal @hash[:parent_id].to_i , module_result.parent_id
   end
   
   should 'convert module result to hash' do
@@ -41,7 +44,7 @@ class ModuleResultTest < ActiveSupport::TestCase
 
   should 'return history of a module result' do
     Kalibro::ModuleResult.expects(:request).with(:history_of_module, {:module_result_id => @module_result.id}).returns({:date_module_result => [DateModuleResultFixtures.date_module_result_hash]})
-    assert_equal DateModuleResultFixtures.date_module_result_hash[:module_result][:id], Kalibro::ModuleResult.history_of(@module_result.id).first.module_result.id
+    assert_equal DateModuleResultFixtures.date_module_result_hash[:module_result][:id].to_i, Kalibro::ModuleResult.history_of(@module_result.id).first.module_result.id
   end
 
 end
diff --git a/plugins/mezuro/test/unit/kalibro/process_time_test.rb b/plugins/mezuro/test/unit/kalibro/process_time_test.rb
index 9d4aa6c..449e425 100644
--- a/plugins/mezuro/test/unit/kalibro/process_time_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/process_time_test.rb
@@ -11,6 +11,7 @@ class ProcessTimeTest < ActiveSupport::TestCase
 
   should 'create process time from hash' do
     assert_equal @hash[:state], Kalibro::ProcessTime.new(@hash).state
+    assert_equal @hash[:time].to_i, Kalibro::ProcessTime.new(@hash).time
   end
 
   should 'convert process time to hash' do
diff --git a/plugins/mezuro/test/unit/kalibro/processing_test.rb b/plugins/mezuro/test/unit/kalibro/processing_test.rb
index ac36253..22b63a3 100644
--- a/plugins/mezuro/test/unit/kalibro/processing_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/processing_test.rb
@@ -11,8 +11,10 @@ class ProcessingTest < ActiveSupport::TestCase
   end
 
   should 'create processing from hash' do
-    assert_equal @hash[:results_root_id], Kalibro::Processing.new(@hash).results_root_id
-    assert_equal @hash[:process_time].first[:state], Kalibro::Processing.new(@hash).process_times.first.state
+    processing = Kalibro::Processing.new(@hash)
+    assert_equal @hash[:results_root_id].to_i, processing.results_root_id
+    assert_equal @hash[:process_time].first[:state], processing.process_times.first.state
+    assert_equal @hash[:id].to_i, processing.id
   end
 
   should 'convert processing to hash' do
diff --git a/plugins/mezuro/test/unit/kalibro/project_test.rb b/plugins/mezuro/test/unit/kalibro/project_test.rb
index 7f5bf1a..0e24abf 100644
--- a/plugins/mezuro/test/unit/kalibro/project_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/project_test.rb
@@ -13,6 +13,7 @@ class ProjectTest < ActiveSupport::TestCase
   should 'initialize new project from hash' do
     project = Kalibro::Project.new @hash
     assert_equal @hash[:name], project.name
+    assert_equal @hash[:id].to_i, project.id
   end
 
   should 'convert project to hash' do
diff --git a/plugins/mezuro/test/unit/kalibro/range_snapshot_test.rb b/plugins/mezuro/test/unit/kalibro/range_snapshot_test.rb
index 09c3ebb..2b9a42d 100644
--- a/plugins/mezuro/test/unit/kalibro/range_snapshot_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/range_snapshot_test.rb
@@ -6,11 +6,23 @@ class RangeSnapshotTest < ActiveSupport::TestCase
 
   def setup
     @hash = RangeSnapshotFixtures.range_snapshot_hash
+    @range_snapshot_with_infinite_range_hash = RangeSnapshotFixtures.range_snapshot_with_infinite_range_hash
     @range_snapshot = RangeSnapshotFixtures.range_snapshot
+    @range_snapshot_with_infinite_range = RangeSnapshotFixtures.range_snapshot_with_infinite_range
   end
 
   should 'create range_snapshot from hash' do
-    assert_equal @hash[:comments], Kalibro::RangeSnapshot.new(@hash).comments
+    range_snapshot = Kalibro::RangeSnapshot.new(@hash)
+    assert_equal @hash[:comments], range_snapshot.comments
+    assert_equal @hash[:beginning].to_f, range_snapshot.beginning
+    assert_equal @hash[:end].to_f, range_snapshot.end
+    assert_equal @hash[:grade].to_f, range_snapshot.grade
+  end
+
+  should 'create range_snapshot from hash with infinity values' do
+    range_snapshot = Kalibro::RangeSnapshot.new(@range_snapshot_with_infinite_range_hash)
+    assert_equal -1.0/0, range_snapshot.beginning
+    assert_equal 1.0/0, range_snapshot.end
   end
 
   should 'convert range_snapshot to hash' do
diff --git a/plugins/mezuro/test/unit/kalibro/repository_test.rb b/plugins/mezuro/test/unit/kalibro/repository_test.rb
index 9d2c7ad..8e28dd2 100644
--- a/plugins/mezuro/test/unit/kalibro/repository_test.rb
+++ b/plugins/mezuro/test/unit/kalibro/repository_test.rb
@@ -11,7 +11,11 @@ class RepositoryTest < ActiveSupport::TestCase
   end
 
   should 'new repository from hash' do
-    assert_equal @repository.type, Kalibro::Repository.new(@hash).type
+    repository = Kalibro::Repository.new(@hash)
+    assert_equal @hash[:type], repository.type
+    assert_equal @hash[:id].to_i, repository.id
+    assert_equal @hash[:process_period].to_i, repository.process_period
+    assert_equal @hash[:configuration_id].to_i, repository.configuration_id
   end
 
   should 'convert repository to hash' do
--
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