plum

#treesitter#compiler#wasm

git clone https://git.pyrossh.dev/plum

A statically typed, imperative programming language inspired by rust, python

35bca24 — Peter John 2026-07-19T17:34:24+05:30 
test: add integration tests for format_source
Files changed (1) hide show
  1. plum-core/tests/formatter_test.rs +31 -0
plum-core/tests/formatter_test.rs ADDED
@@ -0,0 +1,31 @@
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+ use plum_core::format_source;
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+
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+ #[test]
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+ fn formats_simple_function() {
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+ let input = "main() =\n x = 1\n";
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+ let result = format_source(input).expect("format_source should succeed");
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+ assert!(result.contains("main()"));
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+ assert!(result.contains("x ="));
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+ }
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+
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+ #[test]
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+ fn formats_binary_operator_spacing() {
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+ let input = "add<Int>(a: Int, b: Int) -> Int =\n a+b\n";
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+ let result = format_source(input).expect("format_source should succeed");
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+ assert!(result.contains("a + b"));
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+ }
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+
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+ #[test]
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+ fn rejects_syntax_error() {
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+ let input = "@@@@invalid@@@@\n";
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+ let result = format_source(input);
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+ assert!(result.is_err());
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+ }
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+
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+ #[test]
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+ fn idempotent_on_already_formatted() {
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+ let input = "main() =\n x = 1 + 2\n";
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+ let first = format_source(input).expect("first pass");
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+ let second = format_source(&first).expect("second pass");
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+ assert_eq!(first, second, "formatting should be idempotent");
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+ }