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Add test that batches all the open files to update program only once

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This commit is contained in:
Sheetal Nandi 2019-02-25 13:07:15 -08:00
parent 4db4c58924
commit 6fd7011870
2 changed files with 109 additions and 0 deletions
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1
src/testRunner/tsconfig.json
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@ -96,6 +96,7 @@
"unittests/tscWatch/resolutionCache.ts",
"unittests/tscWatch/watchEnvironment.ts",
"unittests/tscWatch/watchApi.ts",
"unittests/tsserver/applyChangesToOpenFiles.ts",
"unittests/tsserver/cachingFileSystemInformation.ts",
"unittests/tsserver/cancellationToken.ts",
"unittests/tsserver/compileOnSave.ts",

108
src/testRunner/unittests/tsserver/applyChangesToOpenFiles.ts Normal file
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@ -0,0 +1,108 @@
namespace ts.projectSystem {
describe("unittests:: tsserver:: applyChangesToOpenFiles", () => {
const configFile: File = {
path: "/a/b/tsconfig.json",
content: "{}"
};
const file3: File = {
path: "/a/b/file3.ts",
content: "let xyz = 1;"
};
const app: File = {
path: "/a/b/app.ts",
content: "let z = 1;"
};
function fileContentWithComment(file: File) {
return `// some copy right notice
${file.content}`;
}
function verifyText(service: server.ProjectService, file: string, expected: string) {
const info = service.getScriptInfo(file)!;
const snap = info.getSnapshot();
// Verified applied in reverse order
assert.equal(snap.getText(0, snap.getLength()), expected, `Text of changed file: ${file}`);
}
function verifyProjectVersion(project: server.Project, expected: number) {
assert.equal(Number(project.getProjectVersion()), expected);
}
function verify(applyChangesToOpen: (session: TestSession) => void) {
const host = createServerHost([app, file3, commonFile1, commonFile2, libFile, configFile]);
const session = projectSystem.createSession(host);
session.executeCommandSeq<protocol.OpenRequest>({
command: protocol.CommandTypes.Open,
arguments: { file: app.path }
});
const service = session.getProjectService();
const project = service.configuredProjects.get(configFile.path)!;
assert.isDefined(project);
verifyProjectVersion(project, 1);
session.executeCommandSeq<protocol.OpenRequest>({
command: protocol.CommandTypes.Open,
arguments: {
file: file3.path,
fileContent: fileContentWithComment(file3)
}
});
verifyProjectVersion(project, 2);
// Verify Texts
verifyText(service, commonFile1.path, commonFile1.content);
verifyText(service, commonFile2.path, commonFile2.content);
verifyText(service, app.path, app.content);
verifyText(service, file3.path, fileContentWithComment(file3));
// Apply changes
applyChangesToOpen(session);
// Verify again
verifyProjectVersion(project, 5);
// Open file contents
verifyText(service, commonFile1.path, fileContentWithComment(commonFile1));
verifyText(service, commonFile2.path, fileContentWithComment(commonFile2));
verifyText(service, app.path, "let zzz = 10;let zz = 10;let z = 1;");
verifyText(service, file3.path, file3.content);
}
it("with applyChangedToOpenFiles request", () => {
verify(session =>
session.executeCommandSeq<protocol.ApplyChangedToOpenFilesRequest>({
command: protocol.CommandTypes.ApplyChangedToOpenFiles,
arguments: {
openFiles: [
{
fileName: commonFile1.path,
content: fileContentWithComment(commonFile1)
},
{
fileName: commonFile2.path,
content: fileContentWithComment(commonFile2)
}
],
changedFiles: [
{
fileName: app.path,
changes: [
{
span: { start: 0, length: 0 },
newText: "let zzz = 10;"
},
{
span: { start: 0, length: 0 },
newText: "let zz = 10;"
}
]
}
],
closedFiles: [
file3.path
]
}
})
);
});
});
}