125 lines
4.9 KiB
Plaintext
125 lines
4.9 KiB
Plaintext
open Jest
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let testSkip: (bool, string, unit => assertion) => unit = (skip: bool) =>
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if skip {
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Skip.test
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} else {
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test
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}
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let testEval = (~skip=false, str, result) =>
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testSkip(skip)(str, () => Reducer_TestHelpers.expectEvalToBe(str, result))
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let testParse = (~skip=false, str, result) =>
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testSkip(skip)(str, () => Reducer_TestHelpers.expectParseToBe(str, result))
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describe("eval on distribution functions", () => {
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describe("normal distribution", () => {
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testEval("normal(5,2)", "Ok(Normal(5,2))")
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})
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describe("lognormal distribution", () => {
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testEval("lognormal(5,2)", "Ok(Lognormal(5,2))")
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})
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describe("unaryMinus", () => {
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testEval("mean(-normal(5,2))", "Ok(-5.002887370380851)")
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})
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describe("to", () => {
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testEval("5 to 2", "Error(TODO: Low value must be less than high value.)")
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testEval("to(2,5)", "Ok(Lognormal(1.1512925464970227,0.278507821238345))")
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testEval("to(-2,2)", "Ok(Normal(0,1.215913388057542))")
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})
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describe("mean", () => {
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testEval("mean(normal(5,2))", "Ok(5)")
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testEval("mean(lognormal(1,2))", "Ok(20.085536923187668)")
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})
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describe("toString", () => {
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testEval("toString(normal(5,2))", "Ok('Normal(5,2)')")
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})
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describe("normalize", () => {
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testEval("normalize(normal(5,2))", "Ok(Normal(5,2))")
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})
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describe("toPointSet", () => {
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testEval("toPointSet(normal(5,2))", "Ok(Point Set Distribution)")
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})
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describe("toSampleSet", () => {
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testEval("toSampleSet(normal(5,2), 100)", "Ok(Sample Set Distribution)")
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})
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describe("add", () => {
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testEval("add(normal(5,2), normal(10,2))", "Ok(Normal(15,2.8284271247461903))")
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testEval("add(normal(5,2), lognormal(10,2))", "Ok(Sample Set Distribution)")
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testEval("add(normal(5,2), 3)", "Ok(Point Set Distribution)")
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testEval("add(3, normal(5,2))", "Ok(Point Set Distribution)")
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testEval("3+normal(5,2)", "Ok(Point Set Distribution)")
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testEval("normal(5,2)+3", "Ok(Point Set Distribution)")
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})
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describe("truncate", () => {
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testEval("truncateLeft(normal(5,2), 3)", "Ok(Point Set Distribution)")
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testEval("truncateRight(normal(5,2), 3)", "Ok(Point Set Distribution)")
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testEval("truncate(normal(5,2), 3, 8)", "Ok(Point Set Distribution)")
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})
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describe("exp", () => {
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testEval("exp(normal(5,2))", "Ok(Point Set Distribution)")
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})
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describe("pow", () => {
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testEval("pow(3, uniform(5,8))", "Ok(Point Set Distribution)")
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testEval("pow(uniform(5,8), 3)", "Ok(Point Set Distribution)")
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testEval("pow(uniform(5,8), uniform(9, 10))", "Ok(Sample Set Distribution)")
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})
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describe("log", () => {
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testEval("log(2, uniform(5,8))", "Ok(Point Set Distribution)")
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testEval("log(normal(5,2), 3)", "Ok(Point Set Distribution)")
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testEval("log(normal(5,2), normal(10,1))", "Ok(Sample Set Distribution)")
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testEval("log(uniform(5,8))", "Ok(Point Set Distribution)")
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testEval("log10(uniform(5,8))", "Ok(Point Set Distribution)")
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})
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describe("dotLog", () => {
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testEval("dotLog(normal(5,2), 3)", "Ok(Point Set Distribution)")
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testEval("dotLog(normal(5,2), 3)", "Ok(Point Set Distribution)")
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testEval("dotLog(normal(5,2), normal(10,1))", "Ok(Point Set Distribution)")
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})
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describe("dotAdd", () => {
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testEval("dotAdd(normal(5,2), lognormal(10,2))", "Ok(Point Set Distribution)")
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testEval("dotAdd(normal(5,2), 3)", "Ok(Point Set Distribution)")
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})
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describe("equality", () => {
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testEval(~skip=true, "normal(5,2) == normal(5,2)", "Ok(true)")
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})
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describe("mixture", () => {
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testEval("mx(normal(5,2), normal(10,1), normal(15, 1))", "Ok(Point Set Distribution)")
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testEval("mixture(normal(5,2), normal(10,1), [0.2, 0.4])", "Ok(Point Set Distribution)")
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})
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})
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describe("parse on distribution functions", () => {
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describe("power", () => {
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testParse("normal(5,2) ^ normal(5,1)", "Ok((:pow (:normal 5 2) (:normal 5 1)))")
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testParse("3 ^ normal(5,1)", "Ok((:pow 3 (:normal 5 1)))")
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testParse("normal(5,2) ^ 3", "Ok((:pow (:normal 5 2) 3))")
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})
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describe("pointwise arithmetic expressions", () => {
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testParse(~skip=true, "normal(5,2) .+ normal(5,1)", "Ok((:dotAdd (:normal 5 2) (:normal 5 1)))")
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testParse(
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~skip=true,
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"normal(5,2) .- normal(5,1)",
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"Ok((:dotSubtract (:normal 5 2) (:normal 5 1)))",
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)
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testParse("normal(5,2) .* normal(5,1)", "Ok((:dotMultiply (:normal 5 2) (:normal 5 1)))")
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testParse("normal(5,2) ./ normal(5,1)", "Ok((:dotDivide (:normal 5 2) (:normal 5 1)))")
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testParse("normal(5,2) .^ normal(5,1)", "Ok((:dotPow (:normal 5 2) (:normal 5 1)))")
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})
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describe("equality", () => {
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testParse("5 == normal(5,2)", "Ok((:equal 5 (:normal 5 2)))")
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})
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describe("pointwise adding two normals", () => {
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testParse(~skip=true, "normal(5,2) .+ normal(5,1)", "Ok((:dotAdd (:normal 5 2) (:normal 5 1)))")
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})
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describe("exponential of one distribution", () => {
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testParse(~skip=true, "exp(normal(5,2)", "Ok((:pow (:normal 5 2) 3))")
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})
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})
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