Split std_specs in 32 bits ci

bin/ci

@@ -77,8 +77,27 @@ build() {
 
   case $ARCH in
     i386)
-      with_build_env 'make crystal std_spec threads=1'
-      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 make compiler_spec docs threads=1'
+      with_build_env 'make crystal threads=1'
+      with_build_env 'SPEC_SPLIT="0%4" make std_spec threads=1'
+      with_build_env 'SPEC_SPLIT="1%4" make std_spec threads=1'
+      with_build_env 'SPEC_SPLIT="2%4" make std_spec threads=1'
+      with_build_env 'SPEC_SPLIT="3%4" make std_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="0%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="1%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="2%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="3%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="4%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="5%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="6%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="7%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="8%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="9%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="10%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="11%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="12%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="13%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="14%16" make compiler_spec threads=1'
+      with_build_env 'CRYSTAL_SPEC_COMPILER_THREADS=1 SPEC_SPLIT="15%16" make compiler_spec threads=1'
       with_build_env 'make docs threads=1'
       ;;
     *)

src/spec.cr

@@ -118,6 +118,8 @@ if ENV["SPEC_VERBOSE"]? == "1"
   Spec.override_default_formatter(Spec::VerboseFormatter.new)
 end
 
+Spec.add_split_filter ENV["SPEC_SPLIT"]?
+
 {% unless flag?(:win32) %}
   # TODO(windows): re-enable this once Signal is ported
   Signal::INT.trap { Spec.abort! }

src/spec/dsl.cr

@@ -109,6 +109,30 @@ module Spec
     lines << line
   end
 
+  @@split_filter : NamedTuple(remainder: Int32, quotient: Int32)? = nil
+
+  def self.add_split_filter(filter)
+    if filter
+      r, m = filter.split('%').map &.to_i
+      @@split_filter = {remainder: r, quotient: m}
+    else
+      @@split_filter = nil
+    end
+  end
+
+  @@spec_counter = -1
+
+  def self.split_filter_matches
+    split_filter = @@split_filter
+
+    if split_filter
+      @@spec_counter += 1
+      @@spec_counter % split_filter[:quotient] == split_filter[:remainder]
+    else
+      true
+    end
+  end
+
   # :nodoc:
   def self.matches?(description, file, line, end_line = line)
     spec_pattern = @@pattern

src/spec/methods.cr

@@ -38,6 +38,7 @@ module Spec::Methods
   def it(description = "assert", file = __FILE__, line = __LINE__, end_line = __END_LINE__, &block)
     description = description.to_s
     Spec::RootContext.check_nesting_spec(file, line) do
+      return unless Spec.split_filter_matches
       return unless Spec.matches?(description, file, line, end_line)
 
       Spec.formatters.each(&.before_example(description))