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Scoverage report gen #4

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merged 2 commits into from
Jul 31, 2019
Merged

Scoverage report gen #4

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939563d
converting source path from absolute to relative
Jul 31, 2019
2459172
adding tests and relativizing path
Jul 31, 2019
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20 changes: 18 additions & 2 deletions scalac-scoverage-plugin/src/main/scala/scoverage/Serializer.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,15 @@ object Serializer {
}

def serialize(coverage: Coverage, writer: Writer): Unit = {
// Used for getting the relative filepath for [stmt.location.sourcePath]
// instead of the canonical path. This is required to make it work with
// remoting or in a distributed environment.
def getRelativePath(filePath: String): String = {
val base = new File(".").getCanonicalFile.toPath
val relPath = base.relativize(new File(filePath).getCanonicalFile.toPath)
relPath.toString
}

def writeHeader(writer: Writer): Unit = {
writer.write(s"""# Coverage data, format version: 2.0
|# Statement data:
Expand All @@ -48,7 +57,7 @@ object Serializer {

def writeStatement(stmt: Statement, writer: Writer): Unit = {
writer.write(s"""${stmt.id}
|${stmt.location.sourcePath}
|${getRelativePath(stmt.location.sourcePath)}
|${stmt.location.packageName}
|${stmt.location.className}
|${stmt.location.classType}
Expand Down Expand Up @@ -79,6 +88,13 @@ object Serializer {
}

def deserialize(lines: Iterator[String]): Coverage = {
// To integrate it smoothly with rest of the report writers,
// it is necessary to again convert [sourcePath] into a
// canonical one.
def getAbsolutePath(filePath: String): String = {
(new File(filePath)).getCanonicalPath
}

def toStatement(lines: Iterator[String]): Statement = {
val id: Int = lines.next.toInt
val sourcePath = lines.next
Expand All @@ -87,7 +103,7 @@ object Serializer {
val classType = lines.next
val fullClassName = lines.next
val method = lines.next
val loc = Location(packageName, className, fullClassName, ClassType.fromString(classType), method, sourcePath)
val loc = Location(packageName, className, fullClassName, ClassType.fromString(classType), method, getAbsolutePath(sourcePath))
val start: Int = lines.next.toInt
val end: Int = lines.next.toInt
val lineNo: Int = lines.next.toInt
Expand Down
101 changes: 100 additions & 1 deletion scalac-scoverage-plugin/src/test/scala/scoverage/SerializerTest.scala
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
package scoverage

import java.io.StringWriter
import java.io.File

import org.scalatest.{OneInstancePerTest, FunSuite}

Expand Down Expand Up @@ -97,7 +98,105 @@ class SerializerTest extends FunSuite with OneInstancePerTest {
|\f
|""".stripMargin.split("\n").iterator
val statements = List(Statement(
Location("org.scoverage", "test", "org.scoverage.test", ClassType.Trait, "mymethod", "mypath"),
Location("org.scoverage", "test", "org.scoverage.test", ClassType.Trait, "mymethod", new File("mypath").getCanonicalPath),
14, 100, 200, 4, "def test : String", "test", "DefDef", true, 1
))
val coverage = Serializer.deserialize(input)
assert(statements === coverage.statements.toList)
}

test("coverage should serialize sourcePath relatively") {
val coverage = Coverage()
coverage.add(
Statement(
Location("org.scoverage", "test", "org.scoverage.test", ClassType.Trait, "mymethod", new File(".").getCanonicalPath + File.separator + "mypath"),
14, 100, 200, 4, "def test : String", "test", "DefDef", true, 1
)
)
val expected = s"""# Coverage data, format version: 2.0
|# Statement data:
|# - id
|# - source path
|# - package name
|# - class name
|# - class type (Class, Object or Trait)
|# - full class name
|# - method name
|# - start offset
|# - end offset
|# - line number
|# - symbol name
|# - tree name
|# - is branch
|# - invocations count
|# - is ignored
|# - description (can be multi-line)
|# '\f' sign
|# ------------------------------------------
|14
|mypath
|org.scoverage
|test
|Trait
|org.scoverage.test
|mymethod
|100
|200
|4
|test
|DefDef
|true
|1
|false
|def test : String
|\f
|""".stripMargin
val writer = new StringWriter()//TODO-use UTF-8
val actual = Serializer.serialize(coverage, writer)
assert(expected === writer.toString)
}

test("coverage should deserialize sourcePath by prefixing cwd") {
val input = s"""# Coverage data, format version: 2.0
|# Statement data:
|# - id
|# - source path
|# - package name
|# - class name
|# - class type (Class, Object or Trait)
|# - full class name
|# - method name
|# - start offset
|# - end offset
|# - line number
|# - symbol name
|# - tree name
|# - is branch
|# - invocations count
|# - is ignored
|# - description (can be multi-line)
|# '\f' sign
|# ------------------------------------------
|14
|mypath
|org.scoverage
|test
|Trait
|org.scoverage.test
|mymethod
|100
|200
|4
|test
|DefDef
|true
|1
|false
|def test : String
|\f
|""".stripMargin.split("\n").iterator
val statements = List(Statement(
Location("org.scoverage", "test", "org.scoverage.test", ClassType.Trait, "mymethod", new File(".").getCanonicalPath + File.separator + "mypath"),
14, 100, 200, 4, "def test : String", "test", "DefDef", true, 1
))
val coverage = Serializer.deserialize(input)
Expand Down