Add b_args_test.

Bug: 303269101
Test: run the test
Change-Id: I2c5e72d25dab601ef7354fb9ad624ce035e64812
diff --git a/tests/b_args_test.sh b/tests/b_args_test.sh
new file mode 100755
index 0000000..0dfbabf
--- /dev/null
+++ b/tests/b_args_test.sh
@@ -0,0 +1,43 @@
+#!/bin/bash -eu
+
+# This file tests the creation of bazel commands for b usage
+set -o pipefail
+source "$(dirname "$0")/../../bazel/lib.sh"
+
+BES_UUID="blank"
+OUT_DIR="arbitrary_out"
+b_args=$(formulate_b_args "build --config=nonsense foo:bar")
+
+if [[ $b_args != "build --profile=$OUT_DIR/bazel_metrics-profile --config=bp2build --invocation_id=$BES_UUID --config=metrics_data --config=nonsense foo:bar" ]]; then
+   echo "b args are malformed"
+   echo "Expected : build --profile=$OUT_DIR/bazel_metrics-profile --config=bp2build  --invocation_id=$BES_UUID --config=metrics_data --config=nonsense foo:bar"
+   echo "Actual: $b_args"
+   exit 1
+fi
+
+b_args=$(formulate_b_args "build --config=nonsense --disable_bes --package_path \"my package\" foo:bar")
+
+if [[ $b_args != "build --profile=$OUT_DIR/bazel_metrics-profile --config=bp2build --invocation_id=$BES_UUID --config=nonsense --package_path \"my package\" foo:bar" ]]; then
+   echo "b args are malformed"
+   echo "Expected : build --profile=$OUT_DIR/bazel_metrics-profile --config=bp2build  --invocation_id=$BES_UUID --config=nonsense --package_path \"my package\" foo:bar"
+   echo "Actual: $b_args"
+   exit 1
+fi
+
+# Test with startup option
+b_args=$(formulate_b_args "--batch build --config=nonsense --disable_bes --package_path \"my package\" foo:bar")
+if [[ $b_args != "--batch build --profile=$OUT_DIR/bazel_metrics-profile --config=bp2build --invocation_id=$BES_UUID --config=nonsense --package_path \"my package\" foo:bar" ]]; then
+   echo "b args are malformed"
+   echo "Expected : --batch build --profile=$OUT_DIR/bazel_metrics-profile --config=bp2build  --invocation_id=$BES_UUID --config=nonsense --package_path \"my package\" foo:bar"
+   echo "Actual: $b_args"
+   exit 1
+fi
+
+OUT_DIR="mock_out"
+TEST_PROFILE_OUT=$(get_profile_out_dir)
+if [[ $TEST_PROFILE_OUT != "mock_out" ]]; then
+   echo "Profile Out is malformed."
+   echo "Expected: mock_out"
+   echo "Actual: $TEST_PROFILE_OUT"
+   exit 1
+fi