def test_includes_multiple_entry_points_if_requested(self):
action = EsbuildBundleAction(
"source",
"artifacts",
{
"entry_points": ["x.js", "y.js"],
"target": "node14"
},
self.osutils,
self.subprocess_esbuild,
)
action.execute()
self.subprocess_esbuild.run.assert_called_with(
[
"x.js",
"y.js",
"--bundle",
"--platform=node",
"--format=cjs",
"--minify",
"--sourcemap",
"--target=node14",
"--outdir=artifacts",
],
cwd="source",
)
def test_packages_with_externals(self):
action = EsbuildBundleAction(
"source",
"artifacts",
{
"entry_points": ["x.js"],
"external": ["fetch", "aws-sdk"]
},
self.osutils,
self.subprocess_esbuild,
)
action.execute()
self.subprocess_esbuild.run.assert_called_with(
[
"x.js",
"--bundle",
"--platform=node",
"--format=cjs",
"--minify",
"--sourcemap",
"--external:fetch",
"--external:aws-sdk",
"--target=es2020",
"--outdir=artifacts",
],
cwd="source",
)
def test_packages_with_custom_loaders(self):
action = EsbuildBundleAction(
"source",
"artifacts",
{
"entry_points": ["x.js"],
"loader": [".proto=text", ".json=js"]
},
self.osutils,
self.subprocess_esbuild,
)
action.execute()
self.subprocess_esbuild.run.assert_called_with(
[
"x.js",
"--bundle",
"--platform=node",
"--format=cjs",
"--minify",
"--sourcemap",
"--loader:.proto=text",
"--loader:.json=js",
"--target=es2020",
"--outdir=artifacts",
],
cwd="source",
)
def test_raises_error_if_entrypoints_not_specified(self):
action = EsbuildBundleAction("source", "artifacts",
{"config": "param"}, self.osutils,
self.subprocess_esbuild)
with self.assertRaises(ActionFailedError) as raised:
action.execute()
self.assertEqual(raised.exception.args[0],
"entry_points not set ({'config': 'param'})")
def setUp(self, OSUtilMock, SubprocessEsbuildMock):
self.osutils = OSUtilMock.return_value
self.subprocess_esbuild = SubprocessEsbuildMock.return_value
self.action = EsbuildBundleAction(
"source",
"artifacts",
{},
self.osutils,
self.subprocess_esbuild,
)
def test_raises_error_if_entrypoints_empty_list(self):
action = EsbuildBundleAction("source", "artifacts", {
"config": "param",
"entry_points": []
}, self.osutils, self.subprocess_esbuild)
with self.assertRaises(ActionFailedError) as raised:
action.execute()
self.assertEqual(
raised.exception.args[0],
"entry_points must not be empty ({'config': 'param', 'entry_points': []})"
)
def test_runs_node_subprocess_if_deps_skipped(self):
action = EsbuildBundleAction(
tempfile.mkdtemp(),
"artifacts",
{"entry_points": ["app.ts"]},
self.osutils,
self.subprocess_esbuild,
self.subprocess_nodejs,
True,
)
action.execute()
self.subprocess_nodejs.run.assert_called()
def test_checks_if_single_entrypoint_exists(self):
action = EsbuildBundleAction("source", "artifacts",
{"entry_points": ["x.js"]}, self.osutils,
self.subprocess_esbuild)
self.osutils.file_exists.side_effect = [False]
with self.assertRaises(ActionFailedError) as raised:
action.execute()
self.osutils.file_exists.assert_called_with("source/x.js")
self.assertEqual(raised.exception.args[0],
"entry point source/x.js does not exist")
def test_reads_nodejs_bundle_template_file(self):
template = EsbuildBundleAction._get_node_esbuild_template(["app.ts"],
"es2020",
"outdir",
False, True)
expected_template = """let skipBundleNodeModules = {
name: 'make-all-packages-external',
setup(build) {
let filter = /^[^.\/]|^\.[^.\/]|^\.\.[^\/]/ // Must not start with "/" or "./" or "../"
build.onResolve({ filter }, args => ({ path: args.path, external: true }))
},
}
require('esbuild').build({
entryPoints: ['app.ts'],
bundle: true,
platform: 'node',
format: 'cjs',
target: 'es2020',
sourcemap: true,
outdir: 'outdir',
minify: false,
plugins: [skipBundleNodeModules],
}).catch(() => process.exit(1))
"""
self.assertEqual(template, expected_template)
def test_does_not_minify_if_requested(self):
action = EsbuildBundleAction("source", "artifacts", {
"entry_points": ["x.js"],
"minify": False
}, self.osutils, self.subprocess_esbuild)
action.execute()
self.subprocess_esbuild.run.assert_called_with(
[
"x.js",
"--bundle",
"--platform=node",
"--format=cjs",
"--sourcemap",
"--target=es2020",
"--outdir=artifacts",
],
cwd="source",
)
def test_packages_javascript_with_minification_and_sourcemap(self):
action = EsbuildBundleAction("source", "artifacts",
{"entry_points": ["x.js"]}, self.osutils,
self.subprocess_esbuild)
action.execute()
self.subprocess_esbuild.run.assert_called_with(
[
"x.js",
"--bundle",
"--platform=node",
"--format=cjs",
"--minify",
"--sourcemap",
"--target=es2020",
"--outdir=artifacts",
],
cwd="source",
)
def test_uses_specified_target(self):
action = EsbuildBundleAction("source", "artifacts", {
"entry_points": ["x.js"],
"target": "node14"
}, self.osutils, self.subprocess_esbuild)
action.execute()
self.subprocess_esbuild.run.assert_called_with(
[
"x.js",
"--bundle",
"--platform=node",
"--format=cjs",
"--minify",
"--sourcemap",
"--target=node14",
"--outdir=artifacts",
],
cwd="source",
)
class TestImplicitFileTypeResolution(TestCase):
@patch("aws_lambda_builders.workflows.nodejs_npm.utils.OSUtils")
@patch(
"aws_lambda_builders.workflows.nodejs_npm_esbuild.esbuild.SubprocessEsbuild"
)
def setUp(self, OSUtilMock, SubprocessEsbuildMock):
self.osutils = OSUtilMock.return_value
self.subprocess_esbuild = SubprocessEsbuildMock.return_value
self.action = EsbuildBundleAction(
"source",
"artifacts",
{},
self.osutils,
self.subprocess_esbuild,
)
@parameterized.expand([
([True], "file.ts", "file.ts"),
([False, True], "file", "file.js"),
([True], "file", "file.ts"),
])
def test_implicit_and_explicit_file_types(self, file_exists, entry_point,
expected):
self.osutils.file_exists.side_effect = file_exists
explicit_entry_point = self.action._get_explicit_file_type(
entry_point, "")
self.assertEqual(expected, explicit_entry_point)
@parameterized.expand([
([False], "file.ts"),
([False, False], "file"),
])
def test_throws_exception_entry_point_not_found(self, file_exists,
entry_point):
self.osutils.file_exists.side_effect = file_exists
with self.assertRaises(ActionFailedError) as context:
self.action._get_explicit_file_type(entry_point, "invalid")
self.assertEqual(str(context.exception),
"entry point invalid does not exist")