59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
package format_test
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import (
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"strings"
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"testing"
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"github.com/microsoft/typescript-go/internal/ast"
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"github.com/microsoft/typescript-go/internal/core"
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"github.com/microsoft/typescript-go/internal/format"
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"github.com/microsoft/typescript-go/internal/ls/lsutil"
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"github.com/microsoft/typescript-go/internal/parser"
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"gotest.tools/v3/assert"
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)
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func TestFormatNoTrailingSpace(t *testing.T) {
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t.Parallel()
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testCases := []struct {
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name string
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text string
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}{
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{"simple statement without trailing newline", "1;"},
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{"function call without trailing newline", "console.log('hello');"},
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{"if block on single line", "if (true) { }"},
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{"class declaration", "class A {\n // Class Contents Go Here\n}"},
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{"class declaration with trailing newline", "class A {\n // Class Contents Go Here\n}\n"},
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{"empty block", "if (true) {}"},
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{"module declaration", "module M { }"},
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{"enum declaration", "enum E { A, B }"},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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ctx := format.WithFormatCodeSettings(t.Context(), lsutil.FormatCodeSettings{
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EditorSettings: lsutil.EditorSettings{
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TabSize: 4,
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IndentSize: 4,
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NewLineCharacter: "\n",
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ConvertTabsToSpaces: core.TSTrue,
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IndentStyle: lsutil.IndentStyleSmart,
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TrimTrailingWhitespace: core.TSTrue,
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},
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}, "\n")
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sourceFile := parser.ParseSourceFile(ast.SourceFileParseOptions{
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FileName: "/test.ts",
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Path: "/test.ts",
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}, tc.text, core.ScriptKindTS)
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edits := format.FormatDocument(ctx, sourceFile)
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newText := applyBulkEdits(tc.text, edits)
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// Formatting should not add trailing whitespace at end of file
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for i, line := range strings.Split(newText, "\n") {
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trimmed := strings.TrimRight(line, " \t")
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assert.Equal(t, line, trimmed, "Formatter should not add trailing whitespace on line %d", i+1)
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}
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})
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}
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}
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