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/*
* Copyright (C) 2016 Square, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.squareup.kotlinpoet
import com.google.common.truth.Truth.assertThat
import kotlin.test.Test
class LineWrapperTest {
@Test fun wrap() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("abcde fghij", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|abcde
| fghij
""".trimMargin(),
)
}
@Test fun noWrap() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("abcde fghi", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo("abcde fghi")
}
@Test fun multipleWrite() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("ab cd ef gh ij kl mn op qr", indentLevel = 1)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|ab cd ef
| gh ij kl
| mn op qr
""".trimMargin(),
)
}
@Test fun fencepost() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("abcde", indentLevel = 2)
lineWrapper.append("fghij k", indentLevel = 2)
lineWrapper.append("lmnop", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|abcdefghij
| klmnop
""".trimMargin(),
)
}
@Test fun overlyLongLinesWithoutLeadingSpace() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("abcdefghijkl", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo("abcdefghijkl")
}
@Test fun overlyLongLinesWithLeadingSpace() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append(" abcdefghijkl", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo("\n abcdefghijkl")
}
@Test fun noWrapEmbeddedNewlines() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("abcde fghi\njklmn", indentLevel = 2)
lineWrapper.append("opqrstuvwxy", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|abcde fghi
|jklmnopqrstuvwxy
""".trimMargin(),
)
}
@Test fun wrapEmbeddedNewlines() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("abcde fghij\nklmn", indentLevel = 2)
lineWrapper.append("opqrstuvwxy", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|abcde
| fghij
|klmnopqrstuvwxy
""".trimMargin(),
)
}
@Test fun noWrapMultipleNewlines() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("abcde fghi\nklmnopq\nr stuvwxyz", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|abcde fghi
|klmnopq
|r stuvwxyz
""".trimMargin(),
)
}
@Test fun wrapMultipleNewlines() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("abcde fghi\nklmnopq\nrs tuvwxyz1", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|abcde fghi
|klmnopq
|rs
| tuvwxyz1
""".trimMargin(),
)
}
@Test fun noWrapPrecedingUnaryPlus() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("a + b + c", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|a +
| b +
| c
""".trimMargin(),
)
}
@Test fun noWrapPrecedingUnaryMinus() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("a - b - c", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|a -
| b -
| c
""".trimMargin(),
)
}
@Test fun appendNonWrapping() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("ab cd ef", indentLevel = 2)
lineWrapper.appendNonWrapping("gh ij kl mn")
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|ab cd
| efgh ij kl mn
""".trimMargin(),
)
}
@Test fun appendNonWrappingSpace() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("ab cd ef", indentLevel = 2)
lineWrapper.append("gh·ij·kl·mn", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|ab cd
| efgh ij kl mn
""".trimMargin(),
)
}
@Test fun loneUnsafeUnaryOperator() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append(" -1", indentLevel = 2)
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
| -1
""".trimMargin(),
)
}
@Test fun linePrefix() {
val out = StringBuffer()
val lineWrapper = LineWrapper(out, " ", 10)
lineWrapper.append("/**\n")
lineWrapper.append(" * ")
lineWrapper.append("a b c d e f g h i j k l m n\n", linePrefix = " * ")
lineWrapper.append(" */")
lineWrapper.close()
assertThat(out.toString()).isEqualTo(
"""
|/**
| * a b c d
| * e f g h i j
| * k l m n
| */
""".trimMargin(),
)
}
}
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