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Kotlinize and commonize ScannerWithCommentEnabledTest (#387)
Part of #269.
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...nTest/kotlin/it/krzeminski/snakeyaml/engine/kmp/comments/ScannerWithCommentEnabledTest.kt
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| package it.krzeminski.snakeyaml.engine.kmp.comments | ||
|
|
||
| import io.kotest.assertions.withClue | ||
| import io.kotest.core.spec.style.FunSpec | ||
| import io.kotest.matchers.booleans.shouldBeFalse | ||
| import io.kotest.matchers.booleans.shouldBeTrue | ||
| import io.kotest.matchers.shouldBe | ||
| import io.kotest.matchers.types.shouldBeSameInstanceAs | ||
| import it.krzeminski.snakeyaml.engine.kmp.api.LoadSettings | ||
| import it.krzeminski.snakeyaml.engine.kmp.scanner.Scanner | ||
| import it.krzeminski.snakeyaml.engine.kmp.scanner.ScannerImpl | ||
| import it.krzeminski.snakeyaml.engine.kmp.scanner.StreamReader | ||
| import it.krzeminski.snakeyaml.engine.kmp.tokens.ScalarToken | ||
| import it.krzeminski.snakeyaml.engine.kmp.tokens.Token | ||
| import it.krzeminski.snakeyaml.engine.kmp.tokens.Token.ID | ||
|
|
||
| class ScannerWithCommentEnabledTest: FunSpec({ | ||
| test("empty") { | ||
| val expected = listOf(ID.StreamStart, ID.StreamEnd) | ||
|
|
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| val sut = constructScanner("") | ||
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| assertTokensEqual(expectedList = expected, sut = sut) | ||
| } | ||
|
|
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| test("only comment lines") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.Comment, | ||
| ID.Comment, | ||
| ID.StreamEnd, | ||
| ) | ||
|
|
||
| val sut = constructScanner( | ||
| """ | ||
| # This stream contains no | ||
| # documents, only comments. | ||
| """.trimIndent() | ||
| ) | ||
|
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| assertTokensEqual(expectedList = expected, sut = sut) | ||
| } | ||
|
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||
| test("comment ending a line") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.BlockMappingStart, | ||
| ID.Key, ID.Scalar, ID.Value, ID.Comment, | ||
| ID.Scalar, | ||
| ID.BlockEnd, | ||
| ID.StreamEnd, | ||
| ) | ||
| val expectedScalarValue = listOf("key", "value") | ||
|
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| val sut = constructScanner( | ||
| """ | ||
| key: # Comment | ||
| value | ||
| """.trimIndent() | ||
| ) | ||
|
|
||
| assertTokensEqual( | ||
| expectedList = expected, | ||
| expectedScalarValueList = expectedScalarValue, | ||
| sut = sut, | ||
| ) | ||
| } | ||
|
|
||
| test("multiline comment") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.BlockMappingStart, | ||
| ID.Key, ID.Scalar, ID.Value, ID.Comment, ID.Comment, | ||
| ID.Scalar, | ||
| ID.Comment, | ||
| ID.BlockEnd, | ||
| ID.StreamEnd, | ||
| ) | ||
| val expectedScalarValue = listOf("key", "value") | ||
|
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||
| val sut = constructScanner( | ||
| """ | ||
| key: # Comment | ||
| # lines | ||
| value | ||
|
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||
|
|
||
| """.trimIndent() | ||
| ) | ||
|
|
||
| assertTokensEqual( | ||
| expectedList = expected, | ||
| expectedScalarValueList = expectedScalarValue, | ||
| sut = sut, | ||
| ) | ||
| } | ||
|
|
||
| test("blank line") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.Comment, | ||
| ID.StreamEnd) | ||
|
|
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| val sut = constructScanner("\n") | ||
|
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| assertTokensEqual(expectedList = expected, sut = sut) | ||
| } | ||
|
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||
| test("blank line comments") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.Comment, | ||
| ID.BlockMappingStart, | ||
| ID.Key, ID.Scalar, ID.Value, ID.Scalar, ID.Comment, | ||
| ID.Comment, | ||
| ID.Comment, | ||
| ID.BlockEnd, | ||
| ID.StreamEnd, | ||
| ) | ||
|
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||
| val sut = constructScanner( | ||
| """ | ||
|
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| abc: def # comment | ||
|
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||
|
|
||
|
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| """.trimIndent() | ||
| ) | ||
|
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| assertTokensEqual( | ||
| expectedList = expected, | ||
| sut = sut, | ||
| ) | ||
| } | ||
|
|
||
| test("block scalar - replace new line with spaces - single new line at and") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.BlockMappingStart, | ||
| ID.Key, ID.Scalar, ID.Value, ID.Comment, | ||
| ID.Scalar, | ||
| ID.BlockEnd, | ||
| ID.StreamEnd, | ||
| ) | ||
| val expectedScalarValue = listOf("abc", "def hij\n") | ||
|
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||
| val sut = constructScanner( | ||
| """ | ||
| abc: > # Comment | ||
| def | ||
| hij | ||
|
|
||
|
|
||
| """.trimIndent() | ||
| ) | ||
|
|
||
| assertTokensEqual( | ||
| expectedList = expected, | ||
| expectedScalarValueList = expectedScalarValue, | ||
| sut = sut, | ||
| ) | ||
| } | ||
|
|
||
| test("block scalar - replace new line with spaces - no new line at and") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.BlockMappingStart, | ||
| ID.Key, ID.Scalar, ID.Value, ID.Comment, ID.Scalar, | ||
| ID.BlockEnd, | ||
| ID.StreamEnd, | ||
| ) | ||
| val expectedScalarValue = listOf("abc", "def hij") | ||
|
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||
| val sut = constructScanner( | ||
| """ | ||
| abc: >- # Comment | ||
| def | ||
| hij | ||
|
|
||
|
|
||
| """.trimIndent() | ||
| ) | ||
|
|
||
| assertTokensEqual( | ||
| expectedList = expected, | ||
| expectedScalarValueList = expectedScalarValue, | ||
| sut = sut, | ||
| ) | ||
| } | ||
|
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||
| test("block scalar - replace new line with spaces - all new lines at and") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.BlockMappingStart, | ||
| ID.Key, ID.Scalar, ID.Value, ID.Comment, ID.Scalar, | ||
| ID.BlockEnd, | ||
| ID.StreamEnd, | ||
| ) | ||
| val expectedScalarValue = listOf("abc", "def hij\n\n") | ||
|
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| val sut = constructScanner( | ||
| """ | ||
| abc: >+ # Comment | ||
| def | ||
| hij | ||
|
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||
|
|
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| """.trimIndent() | ||
| ) | ||
|
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| assertTokensEqual( | ||
| expectedList = expected, | ||
| expectedScalarValueList = expectedScalarValue, | ||
| sut = sut, | ||
| ) | ||
| } | ||
|
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| test("block scalar - keep new line - single new line at and") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.BlockMappingStart, | ||
| ID.Key, ID.Scalar, ID.Value, ID.Comment, ID.Scalar, | ||
| ID.BlockEnd, | ||
| ID.StreamEnd, | ||
| ) | ||
| val expectedScalarValue = listOf("abc", "def\nhij\n") | ||
|
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| val sut = constructScanner( | ||
| """ | ||
| abc: | # Comment | ||
| def | ||
| hij | ||
|
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||
|
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| """.trimIndent() | ||
| ) | ||
|
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| assertTokensEqual( | ||
| expectedList = expected, | ||
| expectedScalarValueList = expectedScalarValue, | ||
| sut = sut, | ||
| ) | ||
| } | ||
|
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| test("block scalar - keep new line - no new line at and") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.BlockMappingStart, | ||
| ID.Key, ID.Scalar, ID.Value, ID.Comment, ID.Scalar, | ||
| ID.BlockEnd, | ||
| ID.StreamEnd, | ||
| ) | ||
| val expectedScalarValue = listOf("abc", "def\nhij") | ||
|
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| val sut = constructScanner( | ||
| """ | ||
| abc: |- # Comment | ||
| def | ||
| hij | ||
|
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||
|
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| """.trimIndent() | ||
| ) | ||
|
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| assertTokensEqual( | ||
| expectedList = expected, | ||
| expectedScalarValueList = expectedScalarValue, | ||
| sut = sut, | ||
| ) | ||
| } | ||
|
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| test("block scalar - keep new line - all new lines at and") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.BlockMappingStart, | ||
| ID.Key, ID.Scalar, ID.Value, ID.Comment, ID.Scalar, | ||
| ID.BlockEnd, | ||
| ID.StreamEnd, | ||
| ) | ||
| val expectedScalarValue = listOf("abc", "def\nhij\n\n") | ||
|
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| val sut = constructScanner( | ||
| """ | ||
| abc: |+ # Comment | ||
| def | ||
| hij | ||
|
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||
|
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| """.trimIndent() | ||
| ) | ||
|
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| assertTokensEqual( | ||
| expectedList = expected, | ||
| expectedScalarValueList = expectedScalarValue, | ||
| sut = sut, | ||
| ) | ||
| } | ||
|
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| test("directive line end comment") { | ||
| val expected = listOf( | ||
| ID.StreamStart, | ||
| ID.Directive, | ||
| ID.Comment, | ||
| ID.StreamEnd, | ||
| ) | ||
|
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| val sut = constructScanner("%YAML 1.1 #Comment\n") | ||
|
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| assertTokensEqual( | ||
| expectedList = expected, | ||
| sut = sut, | ||
| ) | ||
| } | ||
| }) | ||
|
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| private fun constructScanner(input: String): Scanner { | ||
| val settings = LoadSettings.builder().setParseComments(true).build() | ||
| return ScannerImpl(settings, StreamReader(settings, input)) | ||
| } | ||
|
|
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| private fun assertTokensEqual( | ||
| expectedList: List<ID>, | ||
| expectedScalarValueList: List<String>? = null, | ||
| sut: Scanner, | ||
| ) { | ||
| val expectedIterator = expectedList.iterator() | ||
| val expectedScalarValueIterator = expectedScalarValueList?.iterator() | ||
|
|
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| while (!sut.checkToken(ID.StreamEnd)) { | ||
| val token = sut.next() | ||
| assertTokenEquals( | ||
| expectedIdIterator = expectedIterator, | ||
| expectedScalarValueIterator = expectedScalarValueIterator, | ||
| token = token, | ||
| ) | ||
| } | ||
|
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| val token = sut.peekToken() | ||
| assertTokenEquals( | ||
| expectedIdIterator = expectedIterator, | ||
| expectedScalarValueIterator = expectedScalarValueIterator, | ||
| token = token, | ||
| ) | ||
| withClue("unexpected tokens") { | ||
| expectedIterator.hasNext().shouldBeFalse() | ||
| } | ||
| } | ||
|
|
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| private fun assertTokenEquals( | ||
| expectedIdIterator: Iterator<ID>, | ||
| expectedScalarValueIterator: Iterator<String>?, | ||
| token: Token, | ||
| ) { | ||
| expectedIdIterator.hasNext().shouldBeTrue() | ||
| val expectedValue = expectedIdIterator.next() | ||
| val id = token.tokenId | ||
| expectedValue shouldBeSameInstanceAs id | ||
|
|
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| if (expectedScalarValueIterator != null && id == ID.Scalar) { | ||
| expectedScalarValueIterator.next() shouldBe (token as ScalarToken).value | ||
| } | ||
| } |
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