================ @@ -0,0 +1,957 @@ +//===- llvm/unittest/Support/MustacheTest.cpp ----------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// Test conforming to Mustache 1.4.2 spec found here: +// https://github.com/mustache/spec +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/Mustache.h" +#include "llvm/Support/raw_ostream.h" +#include "gtest/gtest.h" + +using namespace llvm; +using namespace llvm::mustache; +using namespace llvm::json; + +TEST(MustacheInterpolation, NoInterpolation) { + // Mustache-free templates should render as-is. + Value D = {}; + auto T = Template("Hello from {Mustache}!\n"); + auto Out = T.render(D); + EXPECT_EQ("Hello from {Mustache}!\n", Out); +} + +TEST(MustacheInterpolation, BasicInterpolation) { + // Unadorned tags should interpolate content into the template. + Value D = Object{{"subject", "World"}}; + auto T = Template("Hello, {{subject}}!"); + auto Out = T.render(D); + EXPECT_EQ("Hello, World!", Out); +} + +TEST(MustacheInterpolation, NoReinterpolation) { + // Interpolated tag output should not be re-interpolated. + Value D = Object{{"template", "{{planet}}"}, {"planet", "Earth"}}; + auto T = Template("{{template}}: {{planet}}"); + auto Out = T.render(D); + EXPECT_EQ("{{planet}}: Earth", Out); +} + +TEST(MustacheInterpolation, HTMLEscaping) { + // Interpolated tag output should not be re-interpolated. + Value D = Object{ + {"forbidden", "& \" < >"}, + }; + auto T = Template("These characters should be HTML escaped: {{forbidden}}\n"); + auto Out = T.render(D); + EXPECT_EQ("These characters should be HTML escaped: & " < >\n", + Out); +} + +TEST(MustacheInterpolation, Ampersand) { + // Interpolated tag output should not be re-interpolated. + Value D = Object{ + {"forbidden", "& \" < >"}, + }; + auto T = + Template("These characters should not be HTML escaped: {{&forbidden}}\n"); + auto Out = T.render(D); + EXPECT_EQ("These characters should not be HTML escaped: & \" < >\n", Out); +} + +TEST(MustacheInterpolation, BasicIntegerInterpolation) { + // Integers should interpolate seamlessly. + Value D = Object{{"mph", 85}}; + auto T = Template("{{mph}} miles an hour!"); + auto Out = T.render(D); + EXPECT_EQ("85 miles an hour!", Out); +} + +TEST(MustacheInterpolation, AmpersandIntegerInterpolation) { + // Integers should interpolate seamlessly. + Value D = Object{{"mph", 85}}; + auto T = Template("{{&mph}} miles an hour!"); + auto Out = T.render(D); + EXPECT_EQ("85 miles an hour!", Out); +} + +TEST(MustacheInterpolation, BasicDecimalInterpolation) { + // Decimals should interpolate seamlessly with proper significance. + Value D = Object{{"power", 1.21}}; + auto T = Template("{{power}} jiggawatts!"); + auto Out = T.render(D); + EXPECT_EQ("1.21 jiggawatts!", Out); +} + +TEST(MustacheInterpolation, BasicNullInterpolation) { + // Nulls should interpolate as the empty string. + Value D = Object{{"cannot", nullptr}}; + auto T = Template("I ({{cannot}}) be seen!"); + auto Out = T.render(D); + EXPECT_EQ("I () be seen!", Out); +} + +TEST(MustacheInterpolation, AmpersandNullInterpolation) { + // Nulls should interpolate as the empty string. + Value D = Object{{"cannot", nullptr}}; + auto T = Template("I ({{&cannot}}) be seen!"); + auto Out = T.render(D); + EXPECT_EQ("I () be seen!", Out); +} + +TEST(MustacheInterpolation, BasicContextMissInterpolation) { + // Failed context lookups should default to empty strings. + Value D = Object{}; + auto T = Template("I ({{cannot}}) be seen!"); + auto Out = T.render(D); + EXPECT_EQ("I () be seen!", Out); +} + +TEST(MustacheInterpolation, DottedNamesBasicInterpolation) { + // Dotted names should be considered a form of shorthand for sections. + Value D = Object{{"person", Object{{"name", "Joe"}}}}; + auto T = Template("{{person.name}} == {{#person}}{{name}}{{/person}}"); + auto Out = T.render(D); + EXPECT_EQ("Joe == Joe", Out); +} + +TEST(MustacheInterpolation, DottedNamesAmpersandInterpolation) { + // Dotted names should be considered a form of shorthand for sections. + Value D = Object{{"person", Object{{"name", "Joe"}}}}; + auto T = Template("{{&person.name}} == {{#person}}{{&name}}{{/person}}"); + auto Out = T.render(D); + EXPECT_EQ("Joe == Joe", Out); +} + +TEST(MustacheInterpolation, DottedNamesArbitraryDepth) { + // Dotted names should be functional to any level of nesting. + Value D = Object{ + {"a", + Object{{"b", + Object{{"c", + Object{{"d", + Object{{"e", Object{{"name", "Phil"}}}}}}}}}}}}; + auto T = Template("{{a.b.c.d.e.name}}"); + auto Out = T.render(D); + EXPECT_EQ("Phil", Out); +} + +TEST(MustacheInterpolation, DottedNamesBrokenChains) { + // Any falsey value prior to the last part of the name should yield ''. + Value D = Object{{"a", Object{}}}; + auto T = Template("{{a.b.c}} == "); + auto Out = T.render(D); + EXPECT_EQ(" == ", Out); +} + +TEST(MustacheInterpolation, DottedNamesBrokenChainResolution) { + // Each part of a dotted name should resolve only against its parent. + Value D = + Object{{"a", Object{{"b", Object{}}}}, {"c", Object{{"name", "Jim"}}}}; + auto T = Template("{{a.b.c.name}} == "); + auto Out = T.render(D); + EXPECT_EQ(" == ", Out); +} + +TEST(MustacheInterpolation, DottedNamesInitialResolution) { + // The first part of a dotted name should resolve as any other name. + Value D = Object{ + {"a", + Object{ + {"b", + Object{{"c", + Object{{"d", Object{{"e", Object{{"name", "Phil"}}}}}}}}}}}, + {"b", + Object{{"c", Object{{"d", Object{{"e", Object{{"name", "Wrong"}}}}}}}}}}; + auto T = Template("{{#a}}{{b.c.d.e.name}}{{/a}}"); + auto Out = T.render(D); + EXPECT_EQ("Phil", Out); +} + +TEST(MustacheInterpolation, DottedNamesContextPrecedence) { + // Dotted names should be resolved against former resolutions. + Value D = + Object{{"a", Object{{"b", Object{}}}}, {"b", Object{{"c", "ERROR"}}}}; + auto T = Template("{{#a}}{{b.c}}{{/a}}"); + auto Out = T.render(D); + EXPECT_EQ("", Out); +} + +TEST(MustacheInterpolation, DottedNamesAreNotSingleKeys) { + // Dotted names shall not be parsed as single, atomic keys + Value D = Object{{"a.b", "c"}}; + auto T = Template("{{a.b}}"); + auto Out = T.render(D); + EXPECT_EQ("", Out); +} + +TEST(MustacheInterpolation, DottedNamesNoMasking) { + // Dotted Names in a given context are unavailable due to dot splitting + Value D = Object{{"a.b", "c"}, {"a", Object{{"b", "d"}}}}; + auto T = Template("{{a.b}}"); + auto Out = T.render(D); + EXPECT_EQ("d", Out); +} + +TEST(MustacheInterpolation, ImplicitIteratorsBasicInterpolation) { + // Unadorned tags should interpolate content into the template. + Value D = "world"; + auto T = Template("Hello, {{.}}!\n"); + auto Out = T.render(D); + EXPECT_EQ("Hello, world!\n", Out); +} + +TEST(MustacheInterpolation, ImplicitIteratorsAmersand) { + // Basic interpolation should be HTML escaped. + Value D = "& \" < >"; + auto T = Template("These characters should not be HTML escaped: {{&.}}\n"); + auto Out = T.render(D); + EXPECT_EQ("These characters should not be HTML escaped: & \" < >\n", Out); +} + +TEST(MustacheInterpolation, ImplicitIteratorsInteger) { + // Integers should interpolate seamlessly. + Value D = 85; + auto T = Template("{{.}} miles an hour!\n"); + auto Out = T.render(D); + EXPECT_EQ("85 miles an hour!\n", Out); +} + +TEST(MustacheInterpolation, InterpolationSurroundingWhitespace) { + // Interpolation should not alter surrounding whitespace. + Value D = Object{{"string", "---"}}; + auto T = Template("| {{string}} |"); + auto Out = T.render(D); + EXPECT_EQ("| --- |", Out); +} + +TEST(MustacheInterpolation, AmersandSurroundingWhitespace) { + // Interpolation should not alter surrounding whitespace. + Value D = Object{{"string", "---"}}; + auto T = Template("| {{&string}} |"); + auto Out = T.render(D); + EXPECT_EQ("| --- |", Out); +} + +TEST(MustacheInterpolation, StandaloneInterpolationWithWhitespace) { + // Standalone interpolation should not alter surrounding whitespace. + Value D = Object{{"string", "---"}}; + auto T = Template(" {{string}}\n"); + auto Out = T.render(D); + EXPECT_EQ(" ---\n", Out); +} + +TEST(MustacheInterpolation, StandaloneAmpersandWithWhitespace) { + // Standalone interpolation should not alter surrounding whitespace. + Value D = Object{{"string", "---"}}; + auto T = Template(" {{&string}}\n"); + auto Out = T.render(D); + EXPECT_EQ(" ---\n", Out); +} + +TEST(MustacheInterpolation, InterpolationWithPadding) { + // Superfluous in-tag whitespace should be ignored. + Value D = Object{{"string", "---"}}; + auto T = Template("|{{ string }}|"); + auto Out = T.render(D); + EXPECT_EQ("|---|", Out); +} + +TEST(MustacheInterpolation, AmpersandWithPadding) { + // Superfluous in-tag whitespace should be ignored. + Value D = Object{{"string", "---"}}; + auto T = Template("|{{& string }}|"); + auto Out = T.render(D); + EXPECT_EQ("|---|", Out); +} + +TEST(MustacheInterpolation, InterpolationWithPaddingAndNewlines) { + // Superfluous in-tag whitespace should be ignored. + Value D = Object{{"string", "---"}}; + auto T = Template("|{{ string \n\n\n }}|"); + auto Out = T.render(D); + EXPECT_EQ("|---|", Out); +} + +TEST(MustacheSections, Truthy) { + Value D = Object{{"boolean", true}}; + auto T = Template("{{#boolean}}This should be rendered.{{/boolean}}"); + auto Out = T.render(D); + EXPECT_EQ("This should be rendered.", Out); +} + +TEST(MustacheSections, Falsey) { + Value D = Object{{"boolean", false}}; + auto T = Template("{{#boolean}}This should not be rendered.{{/boolean}}"); + auto Out = T.render(D); + EXPECT_EQ("", Out); +} + +TEST(MustacheSections, NullIsFalsey) { + Value D = Object{{"null", nullptr}}; + auto T = Template("{{#null}}This should not be rendered.{{/null}}"); + auto Out = T.render(D); + EXPECT_EQ("", Out); +} + +TEST(MustacheSections, Context) { + Value D = Object{{"context", Object{{"name", "Joe"}}}}; + auto T = Template("{{#context}}Hi {{name}}.{{/context}}"); + auto Out = T.render(D); + EXPECT_EQ("Hi Joe.", Out); +} + +TEST(MustacheSections, ParentContexts) { + Value D = Object{{"a", "foo"}, + {"b", "wrong"}, + {"sec", Object{{"b", "bar"}}}, + {"c", Object{{"d", "baz"}}}}; + auto T = Template("{{#sec}}{{a}}, {{b}}, {{c.d}}{{/sec}}"); + auto Out = T.render(D); + EXPECT_EQ("foo, bar, baz", Out); +} + +TEST(MustacheSections, VariableTest) { + Value D = Object{{"foo", "bar"}}; + auto T = Template("{{#foo}}{{.}} is {{foo}}{{/foo}}"); + auto Out = T.render(D); + EXPECT_EQ("bar is bar", Out); +} + +TEST(MustacheSections, ListContexts) { + Value D = Object{ + {"tops", + Array{Object{ + {"tname", Object{{"upper", "A"}, {"lower", "a"}}}, + {"middles", + Array{Object{{"mname", "1"}, + {"bottoms", Array{Object{{"bname", "x"}}, + Object{{"bname", "y"}}}}}}}}}}}; + auto T = Template("{{#tops}}" + "{{#middles}}" + "{{tname.lower}}{{mname}}." + "{{#bottoms}}" + "{{tname.upper}}{{mname}}{{bname}}." + "{{/bottoms}}" + "{{/middles}}" + "{{/tops}}"); + auto Out = T.render(D); + EXPECT_EQ("a1.A1x.A1y.", Out); +} + +TEST(MustacheSections, DeeplyNestedContexts) { + Value D = Object{ + {"a", Object{{"one", 1}}}, + {"b", Object{{"two", 2}}}, + {"c", Object{{"three", 3}, {"d", Object{{"four", 4}, {"five", 5}}}}}}; + auto T = Template( + "{{#a}}\n{{one}}\n{{#b}}\n{{one}}{{two}}{{one}}\n{{#c}}\n{{one}}{{two}}{{" + "three}}{{two}}{{one}}\n{{#d}}\n{{one}}{{two}}{{three}}{{four}}{{three}}{" + "{two}}{{one}}\n{{#five}}\n{{one}}{{two}}{{three}}{{four}}{{five}}{{four}" + "}{{three}}{{two}}{{one}}\n{{one}}{{two}}{{three}}{{four}}{{.}}6{{.}}{{" + "four}}{{three}}{{two}}{{one}}\n{{one}}{{two}}{{three}}{{four}}{{five}}{{" + "four}}{{three}}{{two}}{{one}}\n{{/" + "five}}\n{{one}}{{two}}{{three}}{{four}}{{three}}{{two}}{{one}}\n{{/" + "d}}\n{{one}}{{two}}{{three}}{{two}}{{one}}\n{{/" + "c}}\n{{one}}{{two}}{{one}}\n{{/b}}\n{{one}}\n{{/a}}\n"); + auto Out = T.render(D); + EXPECT_EQ("1\n121\n12321\n1234321\n123454321\n12345654321\n123454321\n1234321" + "\n12321\n121\n1\n", + Out); +} + +TEST(MustacheSections, List) { + Value D = Object{{"list", Array{Object{{"item", 1}}, Object{{"item", 2}}, + Object{{"item", 3}}}}}; + auto T = Template("{{#list}}{{item}}{{/list}}"); + auto Out = T.render(D); + EXPECT_EQ("123", Out); +} + +TEST(MustacheSections, EmptyList) { + Value D = Object{{"list", Array{}}}; + auto T = Template("{{#list}}Yay lists!{{/list}}"); + auto Out = T.render(D); + EXPECT_EQ("", Out); +} + +TEST(MustacheSections, Doubled) { + Value D = Object{{"bool", true}, {"two", "second"}}; + auto T = Template("{{#bool}}\n* first\n{{/bool}}\n* " + "{{two}}\n{{#bool}}\n* third\n{{/bool}}\n"); + auto Out = T.render(D); + EXPECT_EQ("* first\n* second\n* third\n", Out); +} + +TEST(MustacheSections, NestedTruthy) { + Value D = Object{{"bool", true}}; + auto T = Template("| A {{#bool}}B {{#bool}}C{{/bool}} D{{/bool}} E |"); + auto Out = T.render(D); + EXPECT_EQ("| A B C D E |", Out); +} + +TEST(MustacheSections, NestedFalsey) { + Value D = Object{{"bool", false}}; + auto T = Template("| A {{#bool}}B {{#bool}}C{{/bool}} D{{/bool}} E |"); + auto Out = T.render(D); + EXPECT_EQ("| A E |", Out); +} + +TEST(MustacheSections, ContextMisses) { + Value D = Object{}; + auto T = Template("[{{#missing}}Found key 'missing'!{{/missing}}]"); + auto Out = T.render(D); + EXPECT_EQ("[]", Out); +} + +TEST(MustacheSections, ImplicitIteratorString) { + Value D = Object{{"list", Array{"a", "b", "c", "d", "e"}}}; + auto T = Template("{{#list}}({{.}}){{/list}}"); + auto Out = T.render(D); + EXPECT_EQ("(a)(b)(c)(d)(e)", Out); +} + +TEST(MustacheSections, ImplicitIteratorInteger) { + Value D = Object{{"list", Array{1, 2, 3, 4, 5}}}; + auto T = Template("{{#list}}({{.}}){{/list}}"); + auto Out = T.render(D); + EXPECT_EQ("(1)(2)(3)(4)(5)", Out); +} + +TEST(MustacheSections, ImplicitIteratorArray) { + Value D = Object{{"list", Array{Array{1, 2, 3}, Array{"a", "b", "c"}}}}; + auto T = Template("{{#list}}({{#.}}{{.}}{{/.}}){{/list}}"); + auto Out = T.render(D); + EXPECT_EQ("(123)(abc)", Out); +} + +TEST(MustacheSections, ImplicitIteratorHTMLEscaping) { + Value D = Object{{"list", Array{"&", "\"", "<", ">"}}}; + auto T = Template("{{#list}}({{.}}){{/list}}"); + auto Out = T.render(D); + EXPECT_EQ("(&)(")(<)(>)", Out); +} + +TEST(MustacheSections, ImplicitIteratorAmpersand) { + Value D = Object{{"list", Array{"&", "\"", "<", ">"}}}; + auto T = Template("{{#list}}({{&.}}){{/list}}"); + auto Out = T.render(D); + EXPECT_EQ("(&)(\")(<)(>)", Out); +} + +TEST(MustacheSections, ImplicitIteratorRootLevel) { + Value D = Array{Object{{"value", "a"}}, Object{{"value", "b"}}}; + auto T = Template("{{#.}}({{value}}){{/.}}"); + auto Out = T.render(D); + EXPECT_EQ("(a)(b)", Out); +} + +TEST(MustacheSections, DottedNamesTruthy) { + Value D = Object{{"a", Object{{"b", Object{{"c", true}}}}}}; + auto T = Template("{{#a.b.c}}Here{{/a.b.c}} == Here"); + auto Out = T.render(D); + EXPECT_EQ("Here == Here", Out); +} + +TEST(MustacheSections, DottedNamesFalsey) { + Value D = Object{{"a", Object{{"b", Object{{"c", false}}}}}}; + auto T = Template("{{#a.b.c}}Here{{/a.b.c}} == "); + auto Out = T.render(D); + EXPECT_EQ(" == ", Out); +} + +TEST(MustacheSections, DottedNamesBrokenChains) { + Value D = Object{{"a", Object{}}}; + auto T = Template("{{#a.b.c}}Here{{/a.b.c}} == "); + auto Out = T.render(D); + EXPECT_EQ(" == ", Out); +} + +TEST(MustacheSections, SurroundingWhitespace) { + Value D = Object{{"boolean", true}}; + auto T = Template(" | {{#boolean}}\t|\t{{/boolean}} | \n"); + auto Out = T.render(D); + EXPECT_EQ(" | \t|\t | \n", Out); +} + +TEST(MustacheSections, InternalWhitespace) { + Value D = Object{{"boolean", true}}; + auto T = Template( + " | {{#boolean}} {{! Important Whitespace }}\n {{/boolean}} | \n"); + auto Out = T.render(D); + EXPECT_EQ(" | \n | \n", Out); +} + +TEST(MustacheSections, IndentedInlineSections) { + Value D = Object{{"boolean", true}}; + auto T = + Template(" {{#boolean}}YES{{/boolean}}\n {{#boolean}}GOOD{{/boolean}}\n"); + auto Out = T.render(D); + EXPECT_EQ(" YES\n GOOD\n", Out); +} + +TEST(MustacheSections, StandaloneLines) { + Value D = Object{{"boolean", true}}; + auto T = Template("| This Is\n{{#boolean}}\n|\n{{/boolean}}\n| A Line\n"); + auto Out = T.render(D); + EXPECT_EQ("| This Is\n|\n| A Line\n", Out); +} + +TEST(MustacheSections, IndentedStandaloneLines) { + Value D = Object{{"boolean", true}}; + auto T = Template("| This Is\n {{#boolean}}\n|\n {{/boolean}}\n| A Line\n"); + auto Out = T.render(D); + EXPECT_EQ("| This Is\n|\n| A Line\n", Out); +} + +TEST(MustacheSections, StandaloneLineEndings) { + Value D = Object{{"boolean", true}}; + auto T = Template("|\r\n{{#boolean}}\r\n{{/boolean}}\r\n|"); + auto Out = T.render(D); + EXPECT_EQ("|\r\n|", Out); +} + +TEST(MustacheSections, StandaloneWithoutPreviousLine) { + Value D = Object{{"boolean", true}}; + auto T = Template(" {{#boolean}}\n#{{/boolean}}\n/"); + auto Out = T.render(D); + EXPECT_EQ("#\n/", Out); +} + +TEST(MustacheSections, StandaloneWithoutNewline) { + Value D = Object{{"boolean", true}}; + auto T = Template("#{{#boolean}}\n/\n {{/boolean}}"); + auto Out = T.render(D); + EXPECT_EQ("#\n/\n", Out); +} + +TEST(MustacheSections, Padding) { + Value D = Object{{"boolean", true}}; + auto T = Template("|{{# boolean }}={{/ boolean }}|"); + auto Out = T.render(D); + EXPECT_EQ("|=|", Out); +} + +TEST(MustacheInvertedSections, Falsey) { + Value D = Object{{"boolean", false}}; + auto T = Template("{{^boolean}}This should be rendered.{{/boolean}}"); + auto Out = T.render(D); + EXPECT_EQ("This should be rendered.", Out); +} + +TEST(MustacheInvertedSections, Truthy) { + Value D = Object{{"boolean", true}}; + auto T = Template("{{^boolean}}This should not be rendered.{{/boolean}}"); + auto Out = T.render(D); + EXPECT_EQ("", Out); +} + +TEST(MustacheInvertedSections, NullIsFalsey) { + Value D = Object{{"null", nullptr}}; + auto T = Template("{{^null}}This should be rendered.{{/null}}"); + auto Out = T.render(D); + EXPECT_EQ("This should be rendered.", Out); +} + +TEST(MustacheInvertedSections, Context) { + Value D = Object{{"context", Object{{"name", "Joe"}}}}; + auto T = Template("{{^context}}Hi {{name}}.{{/context}}"); + auto Out = T.render(D); + EXPECT_EQ("", Out); +} + +TEST(MustacheInvertedSections, List) { + Value D = Object{ + {"list", Array{Object{{"n", 1}}, Object{{"n", 2}}, Object{{"n", 3}}}}}; + auto T = Template("{{^list}}{{n}}{{/list}}"); + auto Out = T.render(D); + EXPECT_EQ("", Out); +} + +TEST(MustacheInvertedSections, EmptyList) { + Value D = Object{{"list", Array{}}}; + auto T = Template("{{^list}}Yay lists!{{/list}}"); + auto Out = T.render(D); + EXPECT_EQ("Yay lists!", Out); +} + +TEST(MustacheInvertedSections, Doubled) { + Value D = Object{{"bool", false}, {"two", "second"}}; + auto T = Template("{{^bool}}\n* first\n{{/bool}}\n* " + "{{two}}\n{{^bool}}\n* third\n{{/bool}}\n"); + auto Out = T.render(D); + EXPECT_EQ("* first\n* second\n* third\n", Out); +} + +TEST(MustacheInvertedSections, NestedFalsey) { + Value D = Object{{"bool", false}}; + auto T = Template("| A {{^bool}}B {{^bool}}C{{/bool}} D{{/bool}} E |"); + auto Out = T.render(D); + EXPECT_EQ("| A B C D E |", Out); +} + +TEST(MustacheInvertedSections, NestedTruthy) { + Value D = Object{{"bool", true}}; + auto T = Template("| A {{^bool}}B {{^bool}}C{{/bool}} D{{/bool}} E |"); + auto Out = T.render(D); + EXPECT_EQ("| A E |", Out); +} + +TEST(MustacheInvertedSections, ContextMisses) { + Value D = Object{}; + auto T = Template("[{{^missing}}Cannot find key 'missing'!{{/missing}}]"); + auto Out = T.render(D); + EXPECT_EQ("[Cannot find key 'missing'!]", Out); +} + +TEST(MustacheInvertedSections, DottedNamesTruthy) { + Value D = Object{{"a", Object{{"b", Object{{"c", true}}}}}}; + auto T = Template("{{^a.b.c}}Not Here{{/a.b.c}} == "); + auto Out = T.render(D); + EXPECT_EQ(" == ", Out); +} + +TEST(MustacheInvertedSections, DottedNamesFalsey) { + Value D = Object{{"a", Object{{"b", Object{{"c", false}}}}}}; + auto T = Template("{{^a.b.c}}Not Here{{/a.b.c}} == Not Here"); + auto Out = T.render(D); + EXPECT_EQ("Not Here == Not Here", Out); +} + +TEST(MustacheInvertedSections, DottedNamesBrokenChains) { + Value D = Object{{"a", Object{}}}; + auto T = Template("{{^a.b.c}}Not Here{{/a.b.c}} == Not Here"); + auto Out = T.render(D); + EXPECT_EQ("Not Here == Not Here", Out); +} + +TEST(MustacheInvertedSections, SurroundingWhitespace) { + Value D = Object{{"boolean", false}}; + auto T = Template(" | {{^boolean}}\t|\t{{/boolean}} | \n"); + auto Out = T.render(D); + EXPECT_EQ(" | \t|\t | \n", Out); +} + +TEST(MustacheInvertedSections, InternalWhitespace) { + Value D = Object{{"boolean", false}}; + auto T = Template( + " | {{^boolean}} {{! Important Whitespace }}\n {{/boolean}} | \n"); + auto Out = T.render(D); + EXPECT_EQ(" | \n | \n", Out); +} + +TEST(MustacheInvertedSections, IndentedInlineSections) { + Value D = Object{{"boolean", false}}; + auto T = + Template(" {{^boolean}}NO{{/boolean}}\n {{^boolean}}WAY{{/boolean}}\n"); + auto Out = T.render(D); + EXPECT_EQ(" NO\n WAY\n", Out); +} + +TEST(MustacheInvertedSections, StandaloneLines) { + Value D = Object{{"boolean", false}}; + auto T = Template("| This Is\n{{^boolean}}\n|\n{{/boolean}}\n| A Line\n"); + auto Out = T.render(D); + EXPECT_EQ("| This Is\n|\n| A Line\n", Out); +} + +TEST(MustacheInvertedSections, StandaloneIndentedLines) { + Value D = Object{{"boolean", false}}; + auto T = Template("| This Is\n {{^boolean}}\n|\n {{/boolean}}\n| A Line\n"); + auto Out = T.render(D); + EXPECT_EQ("| This Is\n|\n| A Line\n", Out); +} + +TEST(MustacheInvertedSections, StandaloneLineEndings) { + Value D = Object{{"boolean", false}}; + auto T = Template("|\r\n{{^boolean}}\r\n{{/boolean}}\r\n|"); + auto Out = T.render(D); + EXPECT_EQ("|\r\n|", Out); +} + +TEST(MustacheInvertedSections, StandaloneWithoutPreviousLine) { + Value D = Object{{"boolean", false}}; + auto T = Template(" {{^boolean}}\n^{{/boolean}}\n/"); + auto Out = T.render(D); + EXPECT_EQ("^\n/", Out); +} + +TEST(MustacheInvertedSections, StandaloneWithoutNewline) { + Value D = Object{{"boolean", false}}; + auto T = Template("^{{^boolean}}\n/\n {{/boolean}}"); + auto Out = T.render(D); + EXPECT_EQ("^\n/\n", Out); +} + +TEST(MustacheInvertedSections, Padding) { + Value D = Object{{"boolean", false}}; + auto T = Template("|{{^ boolean }}={{/ boolean }}|"); + auto Out = T.render(D); + EXPECT_EQ("|=|", Out); +} + +TEST(MustachePartials, BasicBehavior) { + Value D = Object{}; + auto T = Template("{{>text}}"); + T.registerPartial("text", "from partial"); + auto Out = T.render(D); + EXPECT_EQ("from partial", Out); +} + +TEST(MustachePartials, FailedLookup) { + Value D = Object{}; + auto T = Template("{{>text}}"); + auto Out = T.render(D); + EXPECT_EQ("", Out); +} + +TEST(MustachePartials, Context) { + Value D = Object{{"text", "content"}}; + auto T = Template("{{>partial}}"); + T.registerPartial("partial", "*{{text}}*"); + auto Out = T.render(D); + EXPECT_EQ("*content*", Out); +} + +TEST(MustachePartials, Recursion) { + Value D = + Object{{"content", "X"}, + {"nodes", Array{Object{{"content", "Y"}, {"nodes", Array{}}}}}}; + auto T = Template("{{>node}}"); + T.registerPartial("node", "{{content}}({{#nodes}}{{>node}}{{/nodes}})"); + auto Out = T.render(D); + EXPECT_EQ("X(Y())", Out); +} + +TEST(MustachePartials, Nested) { + Value D = Object{{"a", "hello"}, {"b", "world"}}; + auto T = Template("{{>outer}}"); + T.registerPartial("outer", "*{{a}} {{>inner}}*"); + T.registerPartial("inner", "{{b}}!"); + auto Out = T.render(D); + EXPECT_EQ("*hello world!*", Out); +} + +TEST(MustachePartials, SurroundingWhitespace) { + Value D = Object{}; + auto T = Template("| {{>partial}} |"); + T.registerPartial("partial", "\t|\t"); + auto Out = T.render(D); + EXPECT_EQ("| \t|\t |", Out); +} + +TEST(MustachePartials, InlineIndentation) { + Value D = Object{{"data", "|"}}; + auto T = Template(" {{data}} {{> partial}}\n"); + T.registerPartial("partial", "<\n<"); + auto Out = T.render(D); + EXPECT_EQ(" | <\n<\n", Out); +} + +TEST(MustachePartials, PaddingWhitespace) { + Value D = Object{{"boolean", true}}; + auto T = Template("|{{> partial }}|"); + T.registerPartial("partial", "[]"); + auto Out = T.render(D); + EXPECT_EQ("|[]|", Out); +} + +TEST(MustacheLambdas, BasicInterpolation) { + Value D = Object{}; + auto T = Template("Hello, {{lambda}}!"); + Lambda L = []() -> llvm::json::Value { return "World"; }; + T.registerLambda("lambda", L); + auto Out = T.render(D); + EXPECT_EQ("Hello, World!", Out); +} + +TEST(MustacheLambdas, InterpolationExpansion) { + Value D = Object{{"planet", "World"}}; + auto T = Template("Hello, {{lambda}}!"); + Lambda L = []() -> llvm::json::Value { return "{{planet}}"; }; + T.registerLambda("lambda", L); + auto Out = T.render(D); + EXPECT_EQ("Hello, World!", Out); +} + +TEST(MustacheLambdas, BasicMultipleCalls) { + Value D = Object{}; + auto T = Template("{{lambda}} == {{lambda}} == {{lambda}}"); + int I = 0; + Lambda L = [&I]() -> llvm::json::Value { + I += 1; + return I; + }; + T.registerLambda("lambda", L); + auto Out = T.render(D); + EXPECT_EQ("1 == 2 == 3", Out); +} + +TEST(MustacheLambdas, Escaping) { + Value D = Object{}; + auto T = Template("<{{lambda}}{{&lambda}}"); + Lambda L = []() -> llvm::json::Value { return ">"; }; + T.registerLambda("lambda", L); + auto Out = T.render(D); + EXPECT_EQ("<>>", Out); +} + +TEST(MustacheLambdas, Sections) { + Value D = Object{}; + auto T = Template("<{{#lambda}}{{x}}{{/lambda}}>"); + SectionLambda L = [](StringRef Text) -> llvm::json::Value { + if (Text == "{{x}}") { + return "yes"; + } + return "no"; + }; + T.registerLambda("lambda", L); + auto Out = T.render(D); + EXPECT_EQ("<yes>", Out); +} + +TEST(MustacheLambdas, SectionExpansion) { + Value D = Object{ + {"planet", "Earth"}, + }; + auto T = Template("<{{#lambda}}-{{/lambda}}>"); + SectionLambda L = [](StringRef Text) -> llvm::json::Value { + SmallString<128> Result; + Result += Text; + Result += "{{planet}}"; + Result += Text; + return Result; + }; + T.registerLambda("lambda", L); + auto Out = T.render(D); + EXPECT_EQ("<-Earth->", Out); +} + +TEST(MustacheLambdas, SectionsMultipleCalls) { + Value D = Object{}; + auto T = Template("{{#lambda}}FILE{{/lambda}} != {{#lambda}}LINE{{/lambda}}"); + SectionLambda L = [](StringRef Text) -> llvm::json::Value { + SmallString<128> Result; + Result += "__"; + Result += Text; + Result += "__"; + return Result; + }; + T.registerLambda("lambda", L); + auto Out = T.render(D); + EXPECT_EQ("__FILE__ != __LINE__", Out); +} + +TEST(MustacheLambdas, InvertedSections) { + Value D = Object{{"static", "static"}}; + auto T = Template("<{{^lambda}}{{static}}{{/lambda}}>"); + SectionLambda L = [](StringRef Text) -> llvm::json::Value { return false; }; + T.registerLambda("lambda", L); + auto Out = T.render(D); + EXPECT_EQ("<>", Out); +} + +TEST(MustacheComments, Inline) { + // Comment blocks should be removed from the template. + Value D = {}; + auto T = Template("12345{{! Comment Block! }}67890"); + auto Out = T.render(D); + EXPECT_EQ("1234567890", Out); +} + +TEST(MustacheComments, Multiline) { + // Multiline comments should be permitted. + Value D = {}; + auto T = + Template("12345{{!\n This is a\n multi-line comment...\n}}67890\n"); + auto Out = T.render(D); + EXPECT_EQ("1234567890\n", Out); +} + +TEST(MustacheComments, Standalone) { + // All standalone comment lines should be removed. + Value D = {}; + auto T = Template("Begin.\n{{! Comment Block! }}\nEnd.\n"); + auto Out = T.render(D); + EXPECT_EQ("Begin.\nEnd.\n", Out); +} + +TEST(MustacheComments, IndentedStandalone) { + // All standalone comment lines should be removed. + Value D = {}; + auto T = Template("Begin.\n {{! Indented Comment Block! }}\nEnd.\n"); + auto Out = T.render(D); + EXPECT_EQ("Begin.\nEnd.\n", Out); +} + +TEST(MustacheComments, StandaloneLineEndings) { + // "\r\n" should be considered a newline for standalone tags. + Value D = {}; + auto T = Template("|\r\n{{! Standalone Comment }}\r\n|"); + auto Out = T.render(D); + EXPECT_EQ("|\r\n|", Out); +} + +TEST(MustacheComments, StandaloneWithoutPreviousLine) { + // Standalone tags should not require a newline to precede them. + Value D = {}; + auto T = Template(" {{! I'm Still Standalone }}\n!"); + auto Out = T.render(D); + EXPECT_EQ("!", Out); +} + +TEST(MustacheComments, StandaloneWithoutNewline) { + // Standalone tags should not require a newline to follow them. + Value D = {}; + auto T = Template("!\n {{! I'm Still Standalone }}"); + auto Out = T.render(D); + EXPECT_EQ("!\n", Out); +} + +TEST(MustacheComments, MultilineStandalone) { + // All standalone comment lines should be removed. + Value D = {}; + auto T = Template("Begin.\n{{!\nSomething's going on here...\n}}\nEnd.\n"); + auto Out = T.render(D); + EXPECT_EQ("Begin.\nEnd.\n", Out); +} + +TEST(MustacheComments, IndentedMultilineStandalone) { + // All standalone comment lines should be removed. + Value D = {}; + auto T = + Template("Begin.\n {{!\n Something's going on here...\n }}\nEnd.\n"); + auto Out = T.render(D); + EXPECT_EQ("Begin.\nEnd.\n", Out); +} + +TEST(MustacheComments, IndentedInline) { + // Inline comments should not strip whitespace. + Value D = {}; + auto T = Template(" 12 {{! 34 }}\n"); + auto Out = T.render(D); + EXPECT_EQ(" 12 \n", Out); +} + +TEST(MustacheComments, SurroundingWhitespace) { + // Comment removal should preserve surrounding whitespace. + Value D = {}; + auto T = Template("12345 {{! Comment Block! }} 67890"); + auto Out = T.render(D); + EXPECT_EQ("12345 67890", Out); +} + +TEST(MustacheComments, VariableNameCollision) { + // Comments must never render, even if a variable with the same name exists. + Value D = Object{ + {"! comment", 1}, {"! comment ", 2}, {"!comment", 3}, {"comment", 4}}; + auto T = Template("comments never show: >{{! comment }}<"); + auto Out = T.render(D); + EXPECT_EQ("comments never show: ><", Out); +} ---------------- ilovepi wrote:
This is still an issue. https://github.com/llvm/llvm-project/pull/105893 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
