ac9a468aa6
this will allow complicated changes to execution without changing the typescript interface
58 lines
1.9 KiB
Plaintext
58 lines
1.9 KiB
Plaintext
open Jest
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open Reducer_TestHelpers
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describe("eval", () => {
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// All MathJs operators and functions are builtin for string, float and boolean
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// .e.g + - / * > >= < <= == /= not and or
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// See https://mathjs.org/docs/reference/functions.html
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describe("expressions", () => {
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testEvalToBe("1", "Ok(1)")
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testEvalToBe("1+2", "Ok(3)")
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testEvalToBe("(1+2)*3", "Ok(9)")
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testEvalToBe("2>1", "Ok(true)")
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testEvalToBe("concat('a ', 'b')", "Ok('a b')")
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testEvalToBe("log(10)", "Ok(2.302585092994046)")
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testEvalToBe("cos(10)", "Ok(-0.8390715290764524)")
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// TODO more built ins
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})
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describe("arrays", () => {
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test("empty array", () => expectEvalToBe("[]", "Ok([])"))
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testEvalToBe("[1, 2, 3]", "Ok([1,2,3])")
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testEvalToBe("['hello', 'world']", "Ok(['hello','world'])")
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testEvalToBe("([0,1,2])[1]", "Ok(1)")
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testDescriptionEvalToBe("index not found", "([0,1,2])[10]", "Error(Array index not found: 10)")
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})
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describe("records", () => {
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test("define", () => expectEvalToBe("{a: 1, b: 2}", "Ok({a: 1,b: 2})"))
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test("index", () => expectEvalToBe("r = {a: 1}; r.a", "Ok(1)"))
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test("index", () => expectEvalToBe("r = {a: 1}; r.b", "Error(Record property not found: b)"))
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testEvalError("{a: 1}.b") // invalid syntax
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})
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describe("multi-line", () => {
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testEvalError("1; 2")
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testEvalError("1+1; 2+1")
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})
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describe("assignment", () => {
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testEvalToBe("x=1; x", "Ok(1)")
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testEvalToBe("x=1+1; x+1", "Ok(3)")
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testEvalToBe("x=1; y=x+1; y+1", "Ok(3)")
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testEvalError("1; x=1")
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testEvalError("1; 1")
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testEvalToBe("x=1; x=1", "Ok(@{x: 1})")
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})
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})
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describe("test exceptions", () => {
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testDescriptionEvalToBe(
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"javascript exception",
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"javascriptraise('div by 0')",
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"Error(JS Exception: Error: 'div by 0')",
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)
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// testDescriptionEvalToBe(
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// "rescript exception",
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// "rescriptraise()",
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// "Error(TODO: unhandled rescript exception)",
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// )
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})
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