e2e/verify_patches/test.sh

#!/usr/bin/env bash
set -o errexit -o nounset -o pipefail

print_step() {
    printf "\n\n+----------------------------------------------------------------------+"
    # shellcheck disable=SC2059,SC2145
    printf "\n  $@"
    printf "\n+----------------------------------------------------------------------+\n"
}

# sedi makes `sed -i` work on both OSX & Linux
# See https://stackoverflow.com/questions/2320564/i-need-my-sed-i-command-for-in-place-editing-to-work-with-both-gnu-sed-and-bsd
_sedi() {
    case $(uname) in
    Darwin*) sedi=('-i' '') ;;
    *) sedi=('-i') ;;
    esac

    sed "${sedi[@]}" "$@"
}

print_step "Should initially succeed"
if ! bazel build //...; then
    echo "ERROR: expected 'bazel build //...' to pass"
    exit 1
fi

print_step "Should pass the generated patch list test when adding an excluded patch format"
touch patches/foo.diff
if ! bazel test //patches:patches_update_test; then
    echo "ERROR: expected 'bazel test //patches:patches_update_test' to pass"
    exit 1
fi
rm patches/foo.diff

print_step "Should fail the generated patch list test when adding a new patch"

patch="diff --git a/main.js b/main.js
index bdc8c4e..4f9c0fb 100755
--- a/main.js
+++ b/main.js
@@ -1,4 +1,5 @@
 const testA = require('@gregmagolan/test-a');
 console.log(\"Hello world!\")
+console.log(\"foobar\")"
echo "$patch" >patches/foo.patch

if bazel test //patches:patches_update_test; then
    echo "ERROR: expected 'bazel test //patches:patches_update_test' to fail"
    exit 1
fi

print_step "Should succeed running the patches update target"
if ! bazel run //patches:patches_update; then
    echo "ERROR: expected 'bazel run //patches:patches_update' to pass"
    exit 1
fi

print_step "Should fail the build because the new patch isn't in 'patches'"
if bazel build //...; then
    echo "ERROR: expected 'bazel build //...' to fail"
    exit 1
fi

print_step "Should pass the build after adding the new patch to 'patches'"
_sedi 's#"//patches:test-b.patch"#"//patches:test-b.patch", "//patches:foo.patch"#' MODULE.bazel

if ! bazel build //...; then
    echo "ERROR: expected 'bazel build //...' to pass"
    exit 1
fi

print_step "Should succeed the generated patch list test"

if ! bazel test //patches:patches_update_test; then
    echo "ERROR: expected 'bazel test //patches:patches_update_test' to pass"
    exit 1
fi

print_step "All tests passed"