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-rw-r--r--clang/unittests/Format/CMakeLists.txt1
-rw-r--r--clang/unittests/Format/SortImportsTestJS.cpp201
2 files changed, 202 insertions, 0 deletions
diff --git a/clang/unittests/Format/CMakeLists.txt b/clang/unittests/Format/CMakeLists.txt
index 4cf8b731a0d..240be6ead2a 100644
--- a/clang/unittests/Format/CMakeLists.txt
+++ b/clang/unittests/Format/CMakeLists.txt
@@ -9,6 +9,7 @@ add_clang_unittest(FormatTests
FormatTestJS.cpp
FormatTestProto.cpp
FormatTestSelective.cpp
+ SortImportsTestJS.cpp
SortIncludesTest.cpp
)
diff --git a/clang/unittests/Format/SortImportsTestJS.cpp b/clang/unittests/Format/SortImportsTestJS.cpp
new file mode 100644
index 00000000000..ad692e600d3
--- /dev/null
+++ b/clang/unittests/Format/SortImportsTestJS.cpp
@@ -0,0 +1,201 @@
+//===- 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));
+ std::string Sorted =
+ applyAllReplacements(Code, sortIncludes(Style, Code, Ranges, FileName));
+ return applyAllReplacements(Sorted,
+ reformat(Style, Sorted, Ranges, FileName));
+ }
+
+ 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, 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, 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);
+}
+
+} // end namespace
+} // end namespace format
+} // end namespace clang
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