Issue 4887: Providing a better error message when project references are missing for other files

CHANGELOG.md

@@ -26,6 +26,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
   [#6829](https://github.com/CocoaPods/CocoaPods/pull/6829)
 
+* Provide a better error message when references are missing for non-source files
+  [David Airapetyan](https://github.com/davidair)
+  [#4887](https://github.com/CocoaPods/CocoaPods/issues/4887)
+
 ## 1.3.0.beta.2 (2017-06-22)
 
 ##### Enhancements

lib/cocoapods/installer/xcode/pods_project_generator/pod_target_installer.rb

@@ -155,7 +155,7 @@ module Pod
                 add_header(build_file, public_headers, private_headers, native_target)
               end
 
-              other_file_refs = other_source_files.map { |sf| project.reference_for_path(sf) }
+              other_file_refs = project_file_references_array(other_source_files, 'other source')
               native_target.add_file_references(other_file_refs, nil)
 
               next unless target.requires_frameworks?

spec/fixtures/minions-lib/Classes/Images.xcassets/Logo.imageset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x",
+      "filename" : "logo.png"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

spec/fixtures/minions-lib/Classes/Minions.h

+
+#import <Foundation/Foundation.h>
+
+/** Minions are awesome */
+@interface MinionsObj : NSObject
+@end

spec/fixtures/minions-lib/MinionsLib.podspec

+Pod::Spec.new do |s|
+  s.name         = 'MinionsLib'
+  s.version      = '1.0'
+  s.authors      = 'Minions Corp', { 'Stuart' => 'stuart@minions-corp.local' }
+  s.homepage     = 'http://minions-corp.local/minions-lib.html'
+  s.summary      = 'Minions!'
+  s.description  = 'Despicable Me'
+  s.source       = { :git => 'http://minions-corp.local/minions-lib.git', :tag => 'v1.0' }
+  s.license      = {
+    :type => 'MIT',
+    :file => 'LICENSE',
+    :text => 'Permission is hereby granted ...'
+  }
+  s.source_files        = 'Classes/**/*'
+end

spec/unit/installer/xcode/pods_project_generator/pod_target_installer_spec.rb

@@ -239,6 +239,43 @@ module Pod
               end
             end
 
+            describe 'test other files under sources' do
+              before do
+                config.sandbox.prepare
+                @podfile = Podfile.new do
+                  platform :ios, '6.0'
+                  project 'SampleProject/SampleProject'
+                  target 'SampleProject'
+                end
+                @target_definition = @podfile.target_definitions['SampleProject']
+                @project = Project.new(config.sandbox.project_path)
+                config.sandbox.project = @project
+
+                @minions_spec = fixture_spec('minions-lib/MinionsLib.podspec')
+
+                # Add sources to the project.
+                file_accessor = Sandbox::FileAccessor.new(Sandbox::PathList.new(fixture('minions-lib')), @minions_spec.consumer(:ios))
+                @project.add_pod_group('MinionsLib', fixture('minions-lib'))
+                group = @project.group_for_spec('MinionsLib')
+                file_accessor.source_files.each do |file|
+                  @project.add_file_reference(file, group) if file.fnmatch?('*.m') || file.fnmatch?('*.h')
+                end
+
+                @minions_pod_target = PodTarget.new([@minions_spec, *@minions_spec.recursive_subspecs], [@target_definition], config.sandbox)
+                @minions_pod_target.file_accessors = [file_accessor]
+                @minions_pod_target.user_build_configurations = { 'Debug' => :debug, 'Release' => :release }
+                @installer = PodTargetInstaller.new(config.sandbox, @minions_pod_target)
+
+                @first_json_file = file_accessor.source_files.find { |sf| sf.extname == '.json' }
+              end
+
+              it 'raises when references are missing for non-source files' do
+                @minions_pod_target.stubs(:requires_frameworks?).returns(true)
+                exception = lambda { @installer.install! }.should.raise Informative
+                exception.message.should.include "Unable to find other source ref for #{@first_json_file} for target MinionsLib."
+              end
+            end
+
             #--------------------------------------#
 
             it 'adds the source files of each pod to the target of the Pod library' do