118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
#include "runtime/runtime_spec_helper.h"
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#include "runtime/helpers/spy_reader.h"
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#include "runtime/tree.h"
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extern "C" const TSLanguage * ts_language_json();
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START_TEST
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describe("Document", [&]() {
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TSDocument *doc;
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before_each([&]() {
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doc = ts_document_make();
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});
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after_each([&]() {
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ts_document_free(doc);
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});
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describe("when the language is not set", [&]() {
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describe("setting the input", [&]() {
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SpyReader *reader;
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before_each([&]() {
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reader = new SpyReader("{ \"key\": [1, 2] }", 5);
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ts_document_set_input(doc, reader->input);
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});
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after_each([&]() {
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delete reader;
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});
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it("does not try to parse the document", [&]() {
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AssertThat(ts_document_root_node(doc), Equals<TSNode *>(nullptr));
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});
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describe("setting the language", [&]() {
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before_each([&]() {
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ts_document_set_language(doc, ts_language_json());
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});
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it("parses the document", [&]() {
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TSNode *node = ts_document_root_node(doc);
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AssertThat(string(ts_node_string(node)), Equals(
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"(object (string) (array (number) (number)))"));
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ts_node_release(node);
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});
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});
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});
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});
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describe("setting the language and input", [&]() {
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SpyReader *reader;
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before_each([&]() {
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reader = new SpyReader("{ \"key\": [1, 2] }", 5);
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ts_document_set_language(doc, ts_language_json());
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ts_document_set_input(doc, reader->input);
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});
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after_each([&]() {
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delete reader;
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});
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it("parses the input", [&]() {
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AssertThat(string(ts_document_string(doc)), Equals(
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"(object (string) (array (number) (number)))"));
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});
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it("reads the entire input", [&]() {
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AssertThat(reader->strings_read, Equals(vector<string>({
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"{ \"key\": [1, 2] }"
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})));
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});
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describe("modifying the end of the input", [&]() {
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before_each([&]() {
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size_t position(string("{ \"key\": [1, 2]").length());
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string inserted_text(", \"key2\": 4");
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reader->content.insert(position, inserted_text);
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ts_document_edit(doc, { position, 0, inserted_text.length() });
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});
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it("updates the parse tree", [&]() {
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AssertThat(string(ts_document_string(doc)), Equals(
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"(object (string) (array (number) (number)) (string) (number))"));
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});
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it("re-reads only the changed portion of the input", [&]() {
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AssertThat(reader->strings_read.size(), Equals<size_t>(2));
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AssertThat(reader->strings_read[1], Equals(", \"key2\": 4 }"));
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});
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});
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describe("modifying the beginning of the input", [&]() {
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before_each([&]() {
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size_t position(string("{ ").length());
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string inserted_text("\"key2\": 4, ");
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reader->content.insert(position, inserted_text);
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ts_document_edit(doc, { position, 0, inserted_text.length() });
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});
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it("updates the parse tree", [&]() {
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AssertThat(string(ts_document_string(doc)), Equals(
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"(object (string) (number) (string) (array (number) (number)))"));
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});
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it_skip("re-reads only the changed portion of the input", [&]() {
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AssertThat(reader->strings_read.size(), Equals<size_t>(2));
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AssertThat(reader->strings_read[1], Equals("\"key2\": 4, "));
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});
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});
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});
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});
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END_TEST
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