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added a test case that exercises when terser fails and babel-minify is used as a fail safe

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This commit is contained in:
Brian Mulhall
2020-03-16 13:10:07 -05:00
parent d4b189f80b
commit 6f92161a36
1 changed files with 20 additions and 8 deletions
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28
packages/minifier-js/tests/minifier-tests.js
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@@ -17,6 +17,23 @@ Tinytest.add('minifier-js - verify simple JS minifications work', (test) => {
});
// Error handling tests
Tinytest.add('minifier-js - errors are handled correctly', (test) => {
test.throws(() => meteorJsMinify('let name = {;\n'));
});
// Unhandled Terser Syntax tests
Tinytest.add('minifier-js - syntax terser cannot handle is handled correctly by babel-minify', (test) => {
let result = meteorJsMinify('let number = 1_000_000_000_000;\n');
test.equal(result.code, 'let number=1e12;');
test.equal(result.minifier, 'babel-minify');
result = meteorJsMinify('let number = 0.000_000_000_001;\n');
test.equal(result.code, 'let number=1e-12;');
test.equal(result.minifier, 'babel-minify');
});
// properties -- default(true)
Tinytest.add('minifier-js - verify properties setting', (test) => {
@@ -32,7 +49,7 @@ Tinytest.add('minifier-js - verify evaluate setting', (test) => {
});
// this test is an evaluation, but since unsafe is false it won't get evaluated
Tinytest.add('minifier-js - verify that an unsafe evaluation will fail', (test) => {
Tinytest.add('minifier-js - verify that an unsafe evaluation will fail event when evaluate is set to true', (test) => {
let result = meteorJsMinify('var a = [ "foo", "bar", "baz" ].join("");\n');
test.equal(result.code, 'var a=["foo","bar","baz"].join("");');
});
@@ -76,14 +93,9 @@ Tinytest.add('minifier-js - verify unsafe_proto setting', (test) => {
//keep_numbers -- default(false)
Tinytest.add('minifier-js - verify keep_numbers setting', (test) => {
let result = meteorJsMinify('let number = 1_000_000_000_000;\n');
test.equal(result.code, 'let number=1e12;');
result = meteorJsMinify('let number = 1000000000;\n');
test.equal(result.code, 'let number=1e9;');
result = meteorJsMinify('let number = 0.000_000_000_001;\n');
test.equal(result.code, 'let number=1e-12;');
let result = meteorJsMinify('let number = 1000000000;\n');
test.equal(result.code, 'let number=1e9;');
result = meteorJsMinify('let number = 0.000000001;\n');
test.equal(result.code,'let number=1e-9;');