From 5c5554393884361fc0f4374a5118fba0b8025ebf Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 11 Jun 2020 13:41:58 +0200
Subject: Add tests for ad hoc C++ recipes

---
 tests/recipe/buildscript/testscript |   9 --
 tests/recipe/cxx/buildfile          |   4 +
 tests/recipe/cxx/testscript         | 164 ++++++++++++++++++++++++++++++++++++
 3 files changed, 168 insertions(+), 9 deletions(-)
 create mode 100644 tests/recipe/cxx/buildfile
 create mode 100644 tests/recipe/cxx/testscript

(limited to 'tests')

diff --git a/tests/recipe/buildscript/testscript b/tests/recipe/buildscript/testscript
index 4ea1ee6..26718df 100644
--- a/tests/recipe/buildscript/testscript
+++ b/tests/recipe/buildscript/testscript
@@ -12,19 +12,14 @@
   EOI
 
 +cat <<EOI >=build/root.build
-  using cxx
   EOI
 
-test.options += config.cxx=$quote($recall($cxx.path) $cxx.mode, true)
-
 : update
 :
 {
   echo 'bar' >=bar;
 
   cat <<EOI >=buildfile;
-    ./: foo
-
     foo: bar
     {{
       cp $path($<) $path($>)
@@ -48,8 +43,6 @@ test.options += config.cxx=$quote($recall($cxx.path) $cxx.mode, true)
   echo 'bar' >=bar;
 
   cat <<EOI >=buildfile;
-    ./: foo
-
     foo: bar
     {{
       cp $path($<) $path($>)
@@ -75,8 +68,6 @@ test.options += config.cxx=$quote($recall($cxx.path) $cxx.mode, true)
   echo 'bar' >=bar;
 
   cat <<EOI >=buildfile;
-    ./: foo
-
     foo: bar
     {{
       cp $path($<) $path($>)
diff --git a/tests/recipe/cxx/buildfile b/tests/recipe/cxx/buildfile
new file mode 100644
index 0000000..e8bd1af
--- /dev/null
+++ b/tests/recipe/cxx/buildfile
@@ -0,0 +1,4 @@
+# file      : tests/recipe/cxx/buildfile
+# license   : MIT; see accompanying LICENSE file
+
+./: testscript $b
diff --git a/tests/recipe/cxx/testscript b/tests/recipe/cxx/testscript
new file mode 100644
index 0000000..f4eb8d1
--- /dev/null
+++ b/tests/recipe/cxx/testscript
@@ -0,0 +1,164 @@
+# file      : tests/recipe/cxx/testscript
+# license   : MIT; see accompanying LICENSE file
+
++mkdir build
++cat <<EOI >=build/bootstrap.build
+  project = test
+  amalgamation =
+  subprojects =
+
+  using config
+  using test
+  EOI
+
++cat <<EOI >=build/root.build
+  EOI
+
++cat <<EOI >=buildfile
+  ./:
+  {{ c++ 1
+    // Dummy recipe to trigger cleanup.
+  }}
+  EOI
+
+: update-clean
+:
+{
+  echo 'bar' >=bar;
+
+  cat <<EOI >=buildfile;
+    foo: bar
+    % update clean
+    {{ c++ 1
+      recipe
+      apply (action a, target& xt) const override
+      {
+        file& t (xt.as<file> ());
+
+        t.derive_path ();
+        inject_fsdir (a, t);
+        match_prerequisite_members (a, t);
+
+        switch (a)
+        {
+        case perform_update_id:  return perform_update;
+        case perform_clean_id:   return perform_clean_depdb;
+        default: assert (false); return noop_recipe;
+        }
+      }
+
+      static target_state
+      perform_update (action a, const target& xt)
+      {
+        const file& t (xt.as<file> ());
+        const path& tp (t.path ());
+
+        timestamp mt (t.load_mtime ());
+        auto pr (execute_prerequisites<file> (a, t, mt));
+
+        bool update (!pr.first);
+        target_state r (update ? target_state::changed : *pr.first);
+
+        const file& s (pr.second);
+        const path& sp (s.path ());
+
+        depdb dd (tp + ".d");
+        dd.expect (sp);
+
+        if (dd.writing () || dd.mtime > mt)
+          update = true;
+
+        dd.close ();
+
+        if (!update)
+          return r;
+
+        if (verb == 1)
+          text << "cp " << t;
+        else if (verb >= 2)
+          text << "cp " << sp << ' ' << tp;
+
+        cpfile (sp, tp);
+        return target_state::changed;
+      }
+    }}
+    EOI
+
+  $* 2>>~%EOE%;
+    %^(c++|ld).*%+
+    cp file{foo}
+    EOE
+
+  cat <<<foo >'bar';
+
+  # While at it, make sure there is no rebuild.
+  #
+  $* 2>/'info: dir{./} is up to date';
+
+  $* clean 2>-
+}
+
+#\
+@@ TMP disabled: env BDEP_SYNC=0
+: test
+:
+{
+  echo 'bar' >=bar;
+
+  cat <<EOI >=buildfile;
+    foo: bar
+    {{
+      cp $path($<) $path($>)
+    }}
+    % test
+    {{ c++ 1 --
+
+      #include <iostream>
+
+      --
+
+      recipe
+      apply (action a, target& t) const override
+      {
+        if (a.outer ())
+        {
+          match_inner (a, t);
+          return execute_inner;
+        }
+        else
+          return perform_test;
+      }
+
+      static target_state
+      perform_test (action, const target& xt)
+      {
+        const file& t (xt.as<file> ());
+        const path& tp (t.path ());
+
+        if (verb == 1)
+          text << "test " << t;
+        else if (verb >= 2)
+          text << "cat " << tp;
+
+        ifdstream ifs (tp);
+        if (ifs.peek () != ifdstream::traits_type::eof ())
+          std::cerr << ifs.rdbuf ();
+        ifs.close ();
+
+        return target_state::changed;
+      }
+    }}
+    EOI
+
+  $* test 2>>~%EOE%;
+    %^(c++|ld).*%+
+    cp file{foo}
+    test file{foo}
+    bar
+    EOE
+
+  $* clean 2>-
+}
+#\
+
+-$* clean 2>- # Clean recipe builds.
-- 
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