dependencies_spec.rb in rake-builder-0.0.15

- old
+ new

@@ -1,66 +1,182 @@
-require File.dirname(__FILE__) + '/spec_helper.rb'
+load File.dirname(__FILE__) + '/spec_helper.rb'
+require 'fileutils'
 
 describe 'the dependencies system' do
 
   include RakeBuilderHelper
+  include FileUtils
 
   before( :each ) do
     Rake::Task.clear
     @project = cpp_task( :executable )
     Rake::Task[ 'clean' ].execute
+    rm_f @project.local_config, :verbose => false
   end
 
   after( :each ) do
     Rake::Task[ 'clean' ].execute
   end
 
-  it 'says the target is up to date, if nothing changes' do
-    Rake::Task[ 'build' ].invoke
-    Rake::Task[ @project.target ].needed?.should_not be_true
+  context 'objects_path' do
+
+    it 'should not be needed after being called' do
+      Rake::Task[ @project.objects_path ].invoke
+
+      Rake::Task[ @project.objects_path ].needed?.should be_false
+    end
+
   end
 
-  it 'says the build is up to date, if nothing changes' do
-    Rake::Task[ 'build' ].invoke
-    Rake::Task[ 'build' ].needed?.should be_false
+  context 'missing_headers' do
+
+    it 'should not be needed after being invoked' do
+      Rake::Task[ 'missing_headers' ].needed?.should be_true
+
+      Rake::Task[ 'missing_headers' ].invoke
+
+      Rake::Task[ 'missing_headers' ].needed?.should be_false
+    end
+
   end
 
+  context 'makedepend_file' do
+
+    it 'should create the makedepend_file' do
+      exist?( @project.makedepend_file ).should be_false
+
+      Rake::Task[ @project.makedepend_file ].invoke
+
+      exist?( @project.makedepend_file ).should be_true
+    end
+
+    it 'should not be older than its prerequisites' do
+      t = Rake::Task[ @project.makedepend_file ]
+      
+      t.invoke
+
+      stamp = t.timestamp
+      t.prerequisites.any? { |n| t.application[n].timestamp > stamp }.should be_false
+    end
+
+    it 'should have all prerequisites satisfied' do
+      t = Rake::Task[ @project.makedepend_file ]
+      
+      t.invoke
+
+      t.prerequisites.any? { |n| t.application[n].needed? }.should be_false
+    end
+
+    it 'should not say the makedepend_file is needed' do
+      t = Rake::Task[ @project.makedepend_file ]
+
+      t.needed?.should be_true
+
+      t.invoke
+
+      t.needed?.should be_false
+    end
+
+  end
+
+  context 'build' do
+
+    before :each do
+      @task = Rake::Task[ 'build' ]
+    end
+
+    it 'should have all prerequisites satisfied' do
+      @task.invoke
+
+      @task.prerequisites.any? { |n| @task.application[n].needed? }.should be_false
+    end
+
+    it 'should create the makedepend_file' do
+      exist?( @project.makedepend_file ).should be_false
+
+      Rake::Task[ 'build' ].invoke
+
+      exist?( @project.makedepend_file ).should be_true
+    end
+
+    it 'should create the target' do
+      Rake::Task[ 'build' ].invoke
+
+      exist?( @project.target ).should be_true
+    end
+
+    it 'should say the compile task is up to date' do
+      Rake::Task[ 'build' ].invoke
+
+      Rake::Task[ 'compile' ].needed?.should be_false
+    end
+
+    it 'should say the build is up to date' do
+      Rake::Task[ 'build' ].invoke
+
+      Rake::Task[ 'build' ].needed?.should be_false
+    end
+
+    it 'should say the makedepend_file is up to date' do
+      exist?( @project.makedepend_file ).should be_false
+
+      isolating_seconds do
+        Rake::Task[ 'build' ].invoke
+      end
+
+      Rake::Task[ @project.makedepend_file ].needed?.should be_false
+    end
+
+    it 'should say the target is up to date' do
+      Rake::Task[ 'build' ].invoke
+
+      target_mtime = File.stat( @project.target ).mtime
+      @project.target_prerequisites.each do | prerequisite |
+        File.stat( prerequisite ).mtime.should be < target_mtime
+      end
+      Rake::Task[ @project.target ].needed?.should be_false
+    end
+
+  end
+
   it 'doesn\'t recompile objects, if nothing changes' do
     isolating_seconds do
       Rake::Task[ 'compile' ].invoke
     end
     Rake::Task.clear
     @project = cpp_task( :executable )
-    object_file_path = Rake::Path.expand_with_root( 'main.o', SPEC_PATH )
+    object_file_path = Rake::Path.expand_with_root( 'main.o', RakeBuilderHelper::SPEC_PATH )
     Rake::Task[ object_file_path ].needed?.should be_false
   end
 
   it 'recompiles objects, if a source file changes' do
     isolating_seconds do
       Rake::Task[ 'compile' ].invoke
     end
     Rake::Task.clear
     @project = cpp_task( :executable )
-    source_file_path = Rake::Path.expand_with_root( 'cpp_project/main.cpp', SPEC_PATH )
-    object_file_path = Rake::Path.expand_with_root( 'main.o', SPEC_PATH )
+    source_file_path = Rake::Path.expand_with_root( 'cpp_project/main.cpp', RakeBuilderHelper::SPEC_PATH )
+    object_file_path = Rake::Path.expand_with_root( 'main.o', RakeBuilderHelper::SPEC_PATH )
     touching_temporarily( source_file_path, File.mtime( object_file_path ) + 1 ) do
       Rake::Task[ object_file_path ].needed?.should be_true
     end
   end
 
-  it 'recompiles source files, if header dependencies' do
-    header_file_path = Rake::Path.expand_with_root( 'cpp_project/main.h', SPEC_PATH )
-    object_file_path = Rake::Path.expand_with_root( 'main.o', SPEC_PATH )
+  it 'recompiles source files, if header dependencies are more recent' do
+    header_file_path = Rake::Path.expand_with_root( 'cpp_project/main.h', RakeBuilderHelper::SPEC_PATH )
+    object_file_path = Rake::Path.expand_with_root( 'main.o', RakeBuilderHelper::SPEC_PATH )
     isolating_seconds do
       Rake::Task[ 'compile' ].invoke
     end
     Rake::Task.clear
     @project = cpp_task( :executable )
     # Header dependencies aren't loaded until we call :compile
     Rake::Task[ :load_makedepend ].invoke
+
     touching_temporarily( header_file_path, File.mtime( object_file_path ) + 1 ) do
-      Rake::Task[ object_file_path ].needed?.should be_true
+      Rake::Task[ object_file_path ].needed?.
+                                  should be_true
     end
   end
 
 end
 
@@ -80,22 +196,28 @@
 
   it 'should make the target depend on the Rakefile' do
     Rake::Task[ @project.target ].prerequisites.include?( @project.rakefile ).should be_true
   end
 
-  # In our case this spec file is the spec_helper
-  # i.e., the file that calls Rake::Builder.new
   it 'should indicate the target is out of date, if the Rakefile is newer' do
     Rake::Task[ 'build' ].invoke
+
     Rake::Task[ @project.target ].needed?.should be_false
+
+    Rake::Task.clear
+    @project = cpp_task( :executable )
     touching_temporarily( @project.target, File.mtime( @project.rakefile ) - 1 ) do
       Rake::Task[ @project.target ].needed?.should be_true
     end
   end
 
   it 'should indicate that a build is needed if the Rakefile changes' do
     Rake::Task[ 'build' ].invoke
+
     Rake::Task[ 'build' ].needed?.should be_false
+
+    Rake::Task.clear
+    @project = cpp_task( :executable )
     touching_temporarily( @project.target, File.mtime( @project.rakefile ) - 1 ) do
       Rake::Task[ 'build' ].needed?.should be_true
     end
   end
 