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Add test case for file change happening as part of file create and delete

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This commit is contained in:
Sheetal Nandi
2018-02-06 10:50:32 -08:00
parent 044fb53476
commit 384aad6906
2 changed files with 46 additions and 4 deletions
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32
src/harness/unittests/tscWatchMode.ts
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@@ -1719,6 +1719,38 @@ namespace ts.tscWatch {
return [files[0]];
}
});
it("file is deleted and created as part of change", () => {
const projectLocation = "/home/username/project";
const file: FileOrFolder = {
path: `${projectLocation}/app/file.ts`,
content: "var a = 10;"
};
const fileJs = `${projectLocation}/app/file.js`;
const configFile: FileOrFolder = {
path: `${projectLocation}/tsconfig.json`,
content: JSON.stringify({
"include": [
"app/**/*.ts"
]
})
};
const files = [file, configFile, libFile];
const host = createWatchedSystem(files, { currentDirectory: projectLocation, useCaseSensitiveFileNames: true });
createWatchOfConfigFile("tsconfig.json", host);
verifyProgram();
file.content += "var b = 10;";
host.reloadFS(files, { invokeFileDeleteCreateAsPartInsteadOfChange: true });
host.runQueuedTimeoutCallbacks();
verifyProgram();
function verifyProgram() {
assert.isTrue(host.fileExists(fileJs));
assert.equal(host.readFile(fileJs), file.content + "\n");
}
});
});
describe("tsc-watch module resolution caching", () => {

18
src/harness/virtualFileSystemWithWatch.ts
View File

@@ -246,8 +246,12 @@ interface Array<T> {}`
}
export interface ReloadWatchInvokeOptions {
/** Invokes the directory watcher for the parent instead of the file changed */
invokeDirectoryWatcherInsteadOfFileChanged: boolean;
/** When new file is created, do not invoke watches for it */
ignoreWatchInvokedWithTriggerAsFileCreate: boolean;
/** Invoke the file delete, followed by create instead of file changed */
invokeFileDeleteCreateAsPartInsteadOfChange: boolean;
}
export class TestServerHost implements server.ServerHost, FormatDiagnosticsHost, ModuleResolutionHost {
@@ -315,12 +319,18 @@ interface Array<T> {}`
if (isString(fileOrDirectory.content)) {
// Update file
if (currentEntry.content !== fileOrDirectory.content) {
currentEntry.content = fileOrDirectory.content;
if (options && options.invokeDirectoryWatcherInsteadOfFileChanged) {
this.invokeDirectoryWatcher(getDirectoryPath(currentEntry.fullPath), currentEntry.fullPath);
if (options && options.invokeFileDeleteCreateAsPartInsteadOfChange) {
this.removeFileOrFolder(currentEntry, returnFalse);
this.ensureFileOrFolder(fileOrDirectory);
}
else {
this.invokeFileWatcher(currentEntry.fullPath, FileWatcherEventKind.Changed);
currentEntry.content = fileOrDirectory.content;
if (options && options.invokeDirectoryWatcherInsteadOfFileChanged) {
this.invokeDirectoryWatcher(getDirectoryPath(currentEntry.fullPath), currentEntry.fullPath);
}
else {
this.invokeFileWatcher(currentEntry.fullPath, FileWatcherEventKind.Changed);
}
}
}
}