Migrate to jest (#7455)

scripts/_get-test-directories.sh

@@ -1,24 +0,0 @@
-#!/bin/bash
-set -e
-
-TEST_DIRS=""
-
-sources=("codemods" "packages")
-
-for source in "${sources[@]}"; do
-  for f in $source/*; do
-    if [ -n "$TEST_ONLY" ] && [[ `basename $f` != *"$TEST_ONLY"* ]]; then
-      continue
-    fi
-    # Exclude babel-standalone from coverage runs
-    if [ "$TEST_TYPE" = "cov" ] && [[ `basename $f` = 'babel-standalone' || `basename $f` = 'babel-preset-env-standalone' ]]; then
-      continue
-    fi
-
-    if [ -d "$f/test" ]; then
-      TEST_DIRS="$f/test $TEST_DIRS"
-    fi
-  done
-done
-
-echo $TEST_DIRS

scripts/test-cov.sh

@@ -1,6 +1,10 @@
 #!/bin/bash
 set -e
 
-testDirs=`TEST_TYPE=cov scripts/_get-test-directories.sh`
-node_modules/.bin/nyc node_modules/mocha/bin/_mocha --opts test/mocha.opts $testDirs
-node_modules/.bin/nyc report --reporter=json
+jestArgs="--coverage"
+
+if [ -n "$CI" ]; then
+  jestArgs="${jestArgs} --runInBand --ci"
+fi
+
+node_modules/.bin/jest $jestArgs

scripts/test.sh

@@ -6,9 +6,15 @@ if [ -z "$TEST_GREP" ]; then
 fi
 
 node="node"
+jestArgs=""
 
 if [ "$TEST_DEBUG" ]; then
-   node="node --inspect-brk"
+  node="node --inspect-brk"
+  jestArgs="${jestArgs} --runInBand"
 fi
 
-$node node_modules/mocha/bin/_mocha `scripts/_get-test-directories.sh` --opts test/mocha.opts --grep "$TEST_GREP"
+if [ -n "$CI" ]; then
+  jestArgs="${jestArgs} --runInBand --ci"
+fi
+
+$node node_modules/.bin/jest $jestArgs "$TEST_GREP"