| // Copyright (c) 2020 Pantor. All rights reserved. |
| |
| #include "doctest/doctest.h" |
| #include "inja/inja.hpp" |
| |
| |
| TEST_CASE("types") { |
| inja::Environment env; |
| json data; |
| data["name"] = "Peter"; |
| data["city"] = "Brunswick"; |
| data["age"] = 29; |
| data["names"] = {"Jeff", "Seb"}; |
| data["brother"]["name"] = "Chris"; |
| data["brother"]["daughters"] = {"Maria", "Helen"}; |
| data["brother"]["daughter0"] = {{"name", "Maria"}}; |
| data["is_happy"] = true; |
| data["is_sad"] = false; |
| data["relatives"]["mother"] = "Maria"; |
| data["relatives"]["brother"] = "Chris"; |
| data["relatives"]["sister"] = "Jenny"; |
| data["vars"] = {2, 3, 4, 0, -1, -2, -3}; |
| |
| SUBCASE("basic") { |
| CHECK(env.render("", data) == ""); |
| CHECK(env.render("Hello World!", data) == "Hello World!"); |
| CHECK_THROWS_WITH(env.render("{{ }}", data), "[inja.exception.render_error] (at 1:4) empty expression"); |
| CHECK_THROWS_WITH(env.render("{{", data), "[inja.exception.parser_error] (at 1:3) expected expression close, got '<eof>'"); |
| } |
| |
| SUBCASE("variables") { |
| CHECK(env.render("Hello {{ name }}!", data) == "Hello Peter!"); |
| CHECK(env.render("{{ name }}", data) == "Peter"); |
| CHECK(env.render("{{name}}", data) == "Peter"); |
| CHECK(env.render("{{ name }} is {{ age }} years old.", data) == "Peter is 29 years old."); |
| CHECK(env.render("Hello {{ name }}! I come from {{ city }}.", data) == "Hello Peter! I come from Brunswick."); |
| CHECK(env.render("Hello {{ names.1 }}!", data) == "Hello Seb!"); |
| CHECK(env.render("Hello {{ brother.name }}!", data) == "Hello Chris!"); |
| CHECK(env.render("Hello {{ brother.daughter0.name }}!", data) == "Hello Maria!"); |
| CHECK(env.render("{{ \"{{ no_value }}\" }}", data) == "{{ no_value }}"); |
| |
| CHECK_THROWS_WITH(env.render("{{unknown}}", data), "[inja.exception.render_error] (at 1:3) variable 'unknown' not found"); |
| } |
| |
| SUBCASE("comments") { |
| CHECK(env.render("Hello{# This is a comment #}!", data) == "Hello!"); |
| CHECK(env.render("{# --- #Todo --- #}", data) == ""); |
| } |
| |
| SUBCASE("loops") { |
| CHECK(env.render("{% for name in names %}a{% endfor %}", data) == "aa"); |
| CHECK(env.render("Hello {% for name in names %}{{ name }} {% endfor %}!", data) == "Hello Jeff Seb !"); |
| CHECK(env.render("Hello {% for name in names %}{{ loop.index }}: {{ name }}, {% endfor %}!", data) == |
| "Hello 0: Jeff, 1: Seb, !"); |
| CHECK(env.render("{% for type, name in relatives %}{{ loop.index1 }}: {{ type }}: {{ name }}{% if loop.is_last == " |
| "false %}, {% endif %}{% endfor %}", |
| data) == "1: brother: Chris, 2: mother: Maria, 3: sister: Jenny"); |
| CHECK(env.render("{% for v in vars %}{% if v > 0 %}+{% endif %}{% endfor %}", data) == "+++"); |
| CHECK(env.render( |
| "{% for name in names %}{{ loop.index }}: {{ name }}{% if not loop.is_last %}, {% endif %}{% endfor %}!", |
| data) == "0: Jeff, 1: Seb!"); |
| CHECK(env.render("{% for name in names %}{{ loop.index }}: {{ name }}{% if loop.is_last == false %}, {% endif %}{% " |
| "endfor %}!", |
| data) == "0: Jeff, 1: Seb!"); |
| |
| CHECK(env.render("{% for name in [] %}a{% endfor %}", data) == ""); |
| |
| CHECK_THROWS_WITH(env.render("{% for name ins names %}a{% endfor %}", data), |
| "[inja.exception.parser_error] (at 1:13) expected 'in', got 'ins'"); |
| CHECK_THROWS_WITH(env.render("{% for name in empty_loop %}a{% endfor %}", data), |
| "[inja.exception.render_error] (at 1:16) variable 'empty_loop' not found"); |
| // CHECK_THROWS_WITH( env.render("{% for name in relatives %}{{ name }}{% endfor %}", data), |
| // "[inja.exception.json_error] [json.exception.type_error.302] type must be array, but is object" ); |
| } |
| |
| SUBCASE("nested loops") { |
| auto ldata = json::parse(R""""( |
| { "outer" : [ |
| { "inner" : [ |
| { "in2" : [ 1, 2 ] }, |
| { "in2" : []}, |
| { "in2" : []} |
| ] |
| }, |
| { "inner" : [] }, |
| { "inner" : [ |
| { "in2" : [ 3, 4 ] }, |
| { "in2" : [ 5, 6 ] } |
| ] |
| } |
| ] |
| } |
| )""""); |
| |
| CHECK(env.render(R""""( |
| {% for o in outer %}{% for i in o.inner %}{{loop.parent.index}}:{{loop.index}}::{{loop.parent.is_last}} |
| {% for ii in i.in2%}{{ii}},{%endfor%} |
| {%endfor%}{%endfor%} |
| )"""", |
| ldata) == "\n0:0::false\n1,2,\n0:1::false\n\n0:2::false\n\n2:0::true\n3,4,\n2:1::true\n5,6,\n\n"); |
| } |
| |
| SUBCASE("conditionals") { |
| CHECK(env.render("{% if is_happy %}{% endif %}", data) == ""); |
| CHECK(env.render("{% if is_happy %}Yeah!{% endif %}", data) == "Yeah!"); |
| CHECK(env.render("{% if is_sad %}Yeah!{% endif %}", data) == ""); |
| CHECK(env.render("{% if is_sad %}Yeah!{% else %}Nooo...{% endif %}", data) == "Nooo..."); |
| CHECK(env.render("{% if age == 29 %}Right{% else %}Wrong{% endif %}", data) == "Right"); |
| CHECK(env.render("{% if age > 29 %}Right{% else %}Wrong{% endif %}", data) == "Wrong"); |
| CHECK(env.render("{% if age <= 29 %}Right{% else %}Wrong{% endif %}", data) == "Right"); |
| CHECK(env.render("{% if age != 28 %}Right{% else %}Wrong{% endif %}", data) == "Right"); |
| CHECK(env.render("{% if age >= 30 %}Right{% else %}Wrong{% endif %}", data) == "Wrong"); |
| CHECK(env.render("{% if age in [28, 29, 30] %}True{% endif %}", data) == "True"); |
| CHECK(env.render("{% if age == 28 %}28{% else if age == 29 %}29{% endif %}", data) == "29"); |
| CHECK(env.render("{% if age == 26 %}26{% else if age == 27 %}27{% else if age == 28 %}28{% else %}29{% endif %}", |
| data) == "29"); |
| CHECK(env.render("{% if age == 25 %}+{% endif %}{% if age == 29 %}+{% else %}-{% endif %}", data) == "+"); |
| |
| CHECK_THROWS_WITH(env.render("{% if is_happy %}{% if is_happy %}{% endif %}", data), |
| "[inja.exception.parser_error] (at 1:46) unmatched if"); |
| CHECK_THROWS_WITH(env.render("{% if is_happy %}{% else if is_happy %}{% end if %}", data), |
| "[inja.exception.parser_error] (at 1:43) expected statement, got 'end'"); |
| } |
| |
| SUBCASE("set statements") { |
| CHECK(env.render("{% set predefined=true %}{% if predefined %}a{% endif %}", data) == "a"); |
| CHECK(env.render("{% set predefined=false %}{% if predefined %}a{% endif %}", data) == ""); |
| CHECK_THROWS_WITH(env.render("{% if predefined %}{% endif %}", data), |
| "[inja.exception.render_error] (at 1:7) variable 'predefined' not found"); |
| } |
| |
| SUBCASE("line statements") { |
| CHECK(env.render(R""""(## if is_happy |
| Yeah! |
| ## endif)"""", |
| data) == R""""(Yeah! |
| )""""); |
| |
| CHECK(env.render(R""""(## if is_happy |
| ## if is_happy |
| Yeah! |
| ## endif |
| ## endif )"""", |
| data) == R""""(Yeah! |
| )""""); |
| } |
| } |
| |
| TEST_CASE("templates") { |
| json data; |
| data["name"] = "Peter"; |
| data["city"] = "Brunswick"; |
| data["is_happy"] = true; |
| |
| SUBCASE("reuse") { |
| inja::Environment env; |
| inja::Template temp = env.parse("{% if is_happy %}{{ name }}{% else %}{{ city }}{% endif %}"); |
| |
| CHECK(env.render(temp, data) == "Peter"); |
| |
| data["is_happy"] = false; |
| |
| CHECK(env.render(temp, data) == "Brunswick"); |
| } |
| |
| SUBCASE("include") { |
| inja::Environment env; |
| inja::Template t1 = env.parse("Hello {{ name }}"); |
| env.include_template("greeting", t1); |
| |
| inja::Template t2 = env.parse("{% include \"greeting\" %}!"); |
| CHECK(env.render(t2, data) == "Hello Peter!"); |
| CHECK_THROWS_WITH(env.parse("{% include \"does-not-exist\" %}!"), |
| "[inja.exception.file_error] failed accessing file at 'does-not-exist'"); |
| } |
| |
| SUBCASE("include-in-loop") { |
| json loop_data; |
| loop_data["cities"] = json::array({{{"name", "Munich"}}, {{"name", "New York"}}}); |
| |
| inja::Environment env; |
| env.include_template("city.tpl", env.parse("{{ loop.index }}:{{ city.name }};")); |
| |
| CHECK(env.render("{% for city in cities %}{% include \"city.tpl\" %}{% endfor %}", loop_data) == |
| "0:Munich;1:New York;"); |
| } |
| |
| SUBCASE("count variables") { |
| inja::Environment env; |
| inja::Template t1 = env.parse("Hello {{ name }}"); |
| inja::Template t2 = env.parse("{% if is_happy %}{{ name }}{% else %}{{ city }}{% endif %}"); |
| inja::Template t3 = env.parse("{% if at(name, test) %}{{ name }}{% else %}{{ city }}{{ upper(city) }}{% endif %}"); |
| |
| CHECK(t1.count_variables() == 1); |
| CHECK(t2.count_variables() == 3); |
| CHECK(t3.count_variables() == 5); |
| } |
| |
| SUBCASE("whitespace control") { |
| inja::Environment env; |
| CHECK(env.render("{% if is_happy %}{{ name }}{% endif %}", data) == "Peter"); |
| CHECK(env.render(" {% if is_happy %}{{ name }}{% endif %} ", data) == " Peter "); |
| CHECK(env.render(" {% if is_happy %}{{ name }}{% endif %}\n ", data) == " Peter\n "); |
| CHECK(env.render("Test\n {%- if is_happy %}{{ name }}{% endif %} ", data) == "Test\nPeter "); |
| CHECK(env.render(" {%+ if is_happy %}{{ name }}{% endif %}", data) == " Peter"); |
| CHECK(env.render(" {%- if is_happy %}{{ name }}{% endif -%} \n ", data) == "Peter"); |
| |
| // Nothing will be stripped if there are other characters before the start of the block. |
| CHECK(env.render(". {%- if is_happy %}{{ name }}{% endif -%}\n", data) == ". Peter"); |
| |
| env.set_lstrip_blocks(true); |
| CHECK(env.render(" {% if is_happy %}{{ name }}{% endif %}", data) == "Peter"); |
| CHECK(env.render(" {% if is_happy %}{{ name }}{% endif %} ", data) == "Peter "); |
| CHECK(env.render(" {% if is_happy %}{{ name }}{% endif -%} ", data) == "Peter"); |
| CHECK(env.render(" {%+ if is_happy %}{{ name }}{% endif %}", data) == " Peter"); |
| CHECK(env.render("\n {%+ if is_happy %}{{ name }}{% endif -%} ", data) == "\n Peter"); |
| CHECK(env.render("{% if is_happy %}{{ name }}{% endif %}\n", data) == "Peter\n"); |
| |
| env.set_trim_blocks(true); |
| CHECK(env.render("{% if is_happy %}{{ name }}{% endif %}", data) == "Peter"); |
| CHECK(env.render("{% if is_happy %}{{ name }}{% endif %}\n", data) == "Peter"); |
| CHECK(env.render("{% if is_happy %}{{ name }}{% endif %} \n.", data) == "Peter."); |
| CHECK(env.render("{%- if is_happy %}{{ name }}{% endif -%} \n.", data) == "Peter."); |
| } |
| } |
| |
| TEST_CASE("other syntax") { |
| json data; |
| data["name"] = "Peter"; |
| data["city"] = "Brunswick"; |
| data["age"] = 29; |
| data["names"] = {"Jeff", "Seb"}; |
| data["brother"]["name"] = "Chris"; |
| data["brother"]["daughters"] = {"Maria", "Helen"}; |
| data["brother"]["daughter0"] = {{"name", "Maria"}}; |
| data["is_happy"] = true; |
| |
| SUBCASE("other expression syntax") { |
| inja::Environment env; |
| |
| CHECK(env.render("Hello {{ name }}!", data) == "Hello Peter!"); |
| |
| env.set_expression("(&", "&)"); |
| |
| CHECK(env.render("Hello {{ name }}!", data) == "Hello {{ name }}!"); |
| CHECK(env.render("Hello (& name &)!", data) == "Hello Peter!"); |
| } |
| |
| SUBCASE("other comment syntax") { |
| inja::Environment env; |
| env.set_comment("(&", "&)"); |
| |
| CHECK(env.render("Hello {# Test #}", data) == "Hello {# Test #}"); |
| CHECK(env.render("Hello (& Test &)", data) == "Hello "); |
| } |
| |
| SUBCASE("multiple changes") { |
| inja::Environment env; |
| env.set_line_statement("$$"); |
| env.set_expression("<%", "%>"); |
| |
| std::string string_template = R""""(Hello <%name%> |
| $$ if name == "Peter" |
| You really are <%name%> |
| $$ endif |
| )""""; |
| |
| CHECK(env.render(string_template, data) == "Hello Peter\n You really are Peter\n"); |
| } |
| } |