test: add legacy build system compile tests

Author: Bushuo

rewatch/tests/legacy-utils.sh

@@ -0,0 +1,3 @@
+source "utils.sh"
+
+rewatch_legacy() { RUST_BACKTRACE=1 "../../$REWATCH_EXECUTABLE" legacy $@; }

rewatch/tests/legacy.sh

@@ -0,0 +1,28 @@
+source "./legacy-utils.sh"
+cd ../testrepo/packages/compiled-by-legacy
+
+bold "Test: It should use the legacy build system"
+
+if rewatch_legacy clean &> /dev/null;
+then
+    success "Test package cleaned"
+else
+    error "Error cleaning test package"
+    exit 1
+fi
+
+if rewatch_legacy build &> /dev/null;
+then
+    success "Test package built"
+else
+    error "Error building test package"
+    exit 1
+fi
+
+if git diff --exit-code ./;
+then
+  success "Test package has no changes"
+else
+  error "Build has changed"
+  exit 1
+fi

rewatch/tests/suffix.sh

@@ -27,7 +27,7 @@ fi
 # Count files with new extension
 file_count=$(find ./packages -name *.res.js | wc -l)
 
-if [ "$file_count" -eq 24 ];
+if [ "$file_count" -eq 25 ];
 then
   success "Found files with correct suffix"
 else

rewatch/tests/suite-ci.sh

@@ -40,4 +40,4 @@ else
   exit 1
 fi
 
-./compile.sh && ./watch.sh && ./lock.sh && ./suffix.sh
+./compile.sh && ./watch.sh && ./lock.sh && ./suffix.sh && ./legacy.sh