summaryrefslogtreecommitdiff
path: root/unittests/Format/SortImportsTestJS.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'unittests/Format/SortImportsTestJS.cpp')
-rw-r--r--unittests/Format/SortImportsTestJS.cpp269
1 files changed, 269 insertions, 0 deletions
diff --git a/unittests/Format/SortImportsTestJS.cpp b/unittests/Format/SortImportsTestJS.cpp
new file mode 100644
index 0000000000000..77c37e337ddf4
--- /dev/null
+++ b/unittests/Format/SortImportsTestJS.cpp
@@ -0,0 +1,269 @@
+//===- unittest/Format/SortImportsTestJS.cpp - JS import sort unit tests --===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "FormatTestUtils.h"
+#include "clang/Format/Format.h"
+#include "llvm/Support/Debug.h"
+#include "gtest/gtest.h"
+
+#define DEBUG_TYPE "format-test"
+
+namespace clang {
+namespace format {
+namespace {
+
+class SortImportsTestJS : public ::testing::Test {
+protected:
+ std::string sort(StringRef Code, unsigned Offset = 0, unsigned Length = 0) {
+ StringRef FileName = "input.js";
+ if (Length == 0U)
+ Length = Code.size() - Offset;
+ std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
+ auto Sorted =
+ applyAllReplacements(Code, sortIncludes(Style, Code, Ranges, FileName));
+ EXPECT_TRUE(static_cast<bool>(Sorted));
+ auto Formatted = applyAllReplacements(
+ *Sorted, reformat(Style, *Sorted, Ranges, FileName));
+ EXPECT_TRUE(static_cast<bool>(Formatted));
+ return *Formatted;
+ }
+
+ void verifySort(llvm::StringRef Expected, llvm::StringRef Code,
+ unsigned Offset = 0, unsigned Length = 0) {
+ std::string Result = sort(Code, Offset, Length);
+ EXPECT_EQ(Expected.str(), Result) << "Expected:\n"
+ << Expected << "\nActual:\n"
+ << Result;
+ }
+
+ FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
+};
+
+TEST_F(SortImportsTestJS, AlreadySorted) {
+ verifySort("import {sym} from 'a';\n"
+ "import {sym} from 'b';\n"
+ "import {sym} from 'c';\n"
+ "\n"
+ "let x = 1;",
+ "import {sym} from 'a';\n"
+ "import {sym} from 'b';\n"
+ "import {sym} from 'c';\n"
+ "\n"
+ "let x = 1;");
+}
+
+TEST_F(SortImportsTestJS, BasicSorting) {
+ verifySort("import {sym} from 'a';\n"
+ "import {sym} from 'b';\n"
+ "import {sym} from 'c';\n"
+ "\n"
+ "let x = 1;",
+ "import {sym} from 'a';\n"
+ "import {sym} from 'c';\n"
+ "import {sym} from 'b';\n"
+ "let x = 1;");
+}
+
+TEST_F(SortImportsTestJS, WrappedImportStatements) {
+ verifySort("import {sym1, sym2} from 'a';\n"
+ "import {sym} from 'b';\n"
+ "\n"
+ "1;",
+ "import\n"
+ " {sym}\n"
+ " from 'b';\n"
+ "import {\n"
+ " sym1,\n"
+ " sym2\n"
+ "} from 'a';\n"
+ "1;");
+}
+
+TEST_F(SortImportsTestJS, SeparateMainCodeBody) {
+ verifySort("import {sym} from 'a';"
+ "\n"
+ "let x = 1;\n",
+ "import {sym} from 'a'; let x = 1;\n");
+}
+
+TEST_F(SortImportsTestJS, Comments) {
+ verifySort("/** @fileoverview This is a great file. */\n"
+ "// A very important import follows.\n"
+ "import {sym} from 'a'; /* more comments */\n"
+ "import {sym} from 'b'; // from //foo:bar\n",
+ "/** @fileoverview This is a great file. */\n"
+ "import {sym} from 'b'; // from //foo:bar\n"
+ "// A very important import follows.\n"
+ "import {sym} from 'a'; /* more comments */\n");
+}
+
+TEST_F(SortImportsTestJS, SortStar) {
+ verifySort("import * as foo from 'a';\n"
+ "import {sym} from 'a';\n"
+ "import * as bar from 'b';\n",
+ "import {sym} from 'a';\n"
+ "import * as foo from 'a';\n"
+ "import * as bar from 'b';\n");
+}
+
+TEST_F(SortImportsTestJS, AliasesSymbols) {
+ verifySort("import {sym1 as alias1} from 'b';\n"
+ "import {sym2 as alias2, sym3 as alias3} from 'c';\n",
+ "import {sym2 as alias2, sym3 as alias3} from 'c';\n"
+ "import {sym1 as alias1} from 'b';\n");
+}
+
+TEST_F(SortImportsTestJS, SortSymbols) {
+ verifySort("import {sym1, sym2 as a, sym3} from 'b';\n",
+ "import {sym2 as a, sym1, sym3} from 'b';\n");
+ verifySort("import {sym1 /* important! */, /*!*/ sym2 as a} from 'b';\n",
+ "import {/*!*/ sym2 as a, sym1 /* important! */} from 'b';\n");
+ verifySort("import {sym1, sym2} from 'b';\n", "import {\n"
+ " sym2 \n"
+ ",\n"
+ " sym1 \n"
+ "} from 'b';\n");
+}
+
+TEST_F(SortImportsTestJS, GroupImports) {
+ verifySort("import {a} from 'absolute';\n"
+ "\n"
+ "import {b} from '../parent';\n"
+ "import {b} from '../parent/nested';\n"
+ "\n"
+ "import {b} from './relative/path';\n"
+ "import {b} from './relative/path/nested';\n"
+ "\n"
+ "let x = 1;\n",
+ "import {b} from './relative/path/nested';\n"
+ "import {b} from './relative/path';\n"
+ "import {b} from '../parent/nested';\n"
+ "import {b} from '../parent';\n"
+ "import {a} from 'absolute';\n"
+ "let x = 1;\n");
+}
+
+TEST_F(SortImportsTestJS, Exports) {
+ verifySort("import {S} from 'bpath';\n"
+ "\n"
+ "import {T} from './cpath';\n"
+ "\n"
+ "export {A, B} from 'apath';\n"
+ "export {P} from '../parent';\n"
+ "export {R} from './relative';\n"
+ "export {S};\n"
+ "\n"
+ "let x = 1;\n"
+ "export y = 1;\n",
+ "export {R} from './relative';\n"
+ "import {T} from './cpath';\n"
+ "export {S};\n"
+ "export {A, B} from 'apath';\n"
+ "import {S} from 'bpath';\n"
+ "export {P} from '../parent';\n"
+ "let x = 1;\n"
+ "export y = 1;\n");
+ verifySort("import {S} from 'bpath';\n"
+ "\n"
+ "export {T} from 'epath';\n",
+ "export {T} from 'epath';\n"
+ "import {S} from 'bpath';\n");
+}
+
+TEST_F(SortImportsTestJS, SideEffectImports) {
+ verifySort("import 'ZZside-effect';\n"
+ "import 'AAside-effect';\n"
+ "\n"
+ "import {A} from 'absolute';\n"
+ "\n"
+ "import {R} from './relative';\n",
+ "import {R} from './relative';\n"
+ "import 'ZZside-effect';\n"
+ "import {A} from 'absolute';\n"
+ "import 'AAside-effect';\n");
+}
+
+TEST_F(SortImportsTestJS, AffectedRange) {
+ // Sort excluding a suffix.
+ verifySort("import {sym} from 'b';\n"
+ "import {sym} from 'c';\n"
+ "import {sym} from 'a';\n"
+ "let x = 1;",
+ "import {sym} from 'c';\n"
+ "import {sym} from 'b';\n"
+ "import {sym} from 'a';\n"
+ "let x = 1;",
+ 0, 30);
+ // Sort excluding a prefix.
+ verifySort("import {sym} from 'c';\n"
+ "import {sym} from 'a';\n"
+ "import {sym} from 'b';\n"
+ "\n"
+ "let x = 1;",
+ "import {sym} from 'c';\n"
+ "import {sym} from 'b';\n"
+ "import {sym} from 'a';\n"
+ "\n"
+ "let x = 1;",
+ 30, 0);
+ // Sort a range within imports.
+ verifySort("import {sym} from 'c';\n"
+ "import {sym} from 'a';\n"
+ "import {sym} from 'b';\n"
+ "import {sym} from 'c';\n"
+ "let x = 1;",
+ "import {sym} from 'c';\n"
+ "import {sym} from 'b';\n"
+ "import {sym} from 'a';\n"
+ "import {sym} from 'c';\n"
+ "let x = 1;",
+ 24, 30);
+}
+
+TEST_F(SortImportsTestJS, SortingCanShrink) {
+ // Sort excluding a suffix.
+ verifySort("import {B} from 'a';\n"
+ "import {A} from 'b';\n"
+ "\n"
+ "1;",
+ "import {A} from 'b';\n"
+ "\n"
+ "import {B} from 'a';\n"
+ "\n"
+ "1;");
+}
+
+TEST_F(SortImportsTestJS, TrailingComma) {
+ verifySort("import {A, B,} from 'aa';\n", "import {B, A,} from 'aa';\n");
+}
+
+TEST_F(SortImportsTestJS, SortCaseInsensitive) {
+ verifySort("import {A} from 'aa';\n"
+ "import {A} from 'Ab';\n"
+ "import {A} from 'b';\n"
+ "import {A} from 'Bc';\n"
+ "\n"
+ "1;",
+ "import {A} from 'b';\n"
+ "import {A} from 'Bc';\n"
+ "import {A} from 'Ab';\n"
+ "import {A} from 'aa';\n"
+ "\n"
+ "1;");
+ verifySort("import {aa, Ab, b, Bc} from 'x';\n"
+ "\n"
+ "1;",
+ "import {b, Bc, Ab, aa} from 'x';\n"
+ "\n"
+ "1;");
+}
+
+} // end namespace
+} // end namespace format
+} // end namespace clang
generated by cgit v1.3 (git 2.53.0) at 2026-05-12 01:55:47 +0000