solv 0.21.2

SOLution Validation tool that analyzes Microsoft Visual Studio solutions
Documentation 
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use std::fmt::{self, Display};

use solp::Consume;

pub struct Json {
    serialized: Vec<String>,
    pretty: bool,
}

impl Json {
    #[must_use]
    pub fn new(pretty: bool) -> Self {
        Self {
            serialized: vec![],
            pretty,
        }
    }
}

impl Consume for Json {
    fn ok(&mut self, solution: &solp::api::Solution) {
        let converter = if self.pretty {
            serde_json::to_string_pretty
        } else {
            serde_json::to_string
        };
        if let Ok(s) = converter(solution) {
            self.serialized.push(s);
        }
    }

    fn err(&self, _path: &str) {}
}

impl Display for Json {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let many_solutions = self.serialized.len() > 1;
        if many_solutions {
            write!(f, "[")?;
        }
        for (ix, s) in self.serialized.iter().enumerate() {
            write!(f, "{s}")?;
            if ix < self.serialized.len() - 1 {
                write!(f, ",")?;
            }
        }
        if many_solutions {
            write!(f, "]")?;
        }
        Ok(writeln!(f)?)
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use test_case::test_case;

    #[test_case(true)]
    #[test_case(false)]
    fn output_tests(pretty: bool) {
        // Arrange
        let solution = solp::parse_str(CORRECT_SOLUTION).unwrap();
        let mut validator = Json::new(pretty);

        // Act
        validator.ok(&solution);

        // Assert
        let s = format!("{validator}");
        let deserialized = serde_json::from_str::<solp::api::Solution>(&s);
        assert_eq!(4, deserialized.unwrap().projects.len())
    }

    #[test]
    fn different_solution_configs() {
        // Arrange
        let solution = solp::parse_str(SOLUTION_WITH_DIFFERENT_SOLUTION_CONFIGS).unwrap();
        let mut validator = Json::new(true);

        // Act
        validator.ok(&solution);

        // Assert
        let s = format!("{validator}");
        let deserialized = serde_json::from_str::<solp::api::Solution>(&s);
        assert!(deserialized.is_ok());
        assert_eq!(2, deserialized.unwrap().projects.len())
    }

    const CORRECT_SOLUTION: &str = r#"
Microsoft Visual Studio Solution File, Format Version 8.00
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gtest", "gtest.vcproj", "{C8F6C172-56F2-4E76-B5FA-C3B423B31BE7}"
	ProjectSection(ProjectDependencies) = postProject
	EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gtest_main", "gtest_main.vcproj", "{3AF54C8A-10BF-4332-9147-F68ED9862032}"
	ProjectSection(ProjectDependencies) = postProject
	EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gtest_unittest", "gtest_unittest.vcproj", "{4D9FDFB5-986A-4139-823C-F4EE0ED481A1}"
	ProjectSection(ProjectDependencies) = postProject
	EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gtest_prod_test", "gtest_prod_test.vcproj", "{24848551-EF4F-47E8-9A9D-EA4D49BC3ECA}"
	ProjectSection(ProjectDependencies) = postProject
	EndProjectSection
EndProject
Global
	GlobalSection(SolutionConfiguration) = preSolution
		Debug = Debug
		Release = Release
	EndGlobalSection
	GlobalSection(ProjectConfiguration) = postSolution
		{C8F6C172-56F2-4E76-B5FA-C3B423B31BE7}.Debug.ActiveCfg = Debug|Win32
		{C8F6C172-56F2-4E76-B5FA-C3B423B31BE7}.Debug.Build.0 = Debug|Win32
		{C8F6C172-56F2-4E76-B5FA-C3B423B31BE7}.Release.ActiveCfg = Release|Win32
		{C8F6C172-56F2-4E76-B5FA-C3B423B31BE7}.Release.Build.0 = Release|Win32
		{3AF54C8A-10BF-4332-9147-F68ED9862032}.Debug.ActiveCfg = Debug|Win32
		{3AF54C8A-10BF-4332-9147-F68ED9862032}.Debug.Build.0 = Debug|Win32
		{3AF54C8A-10BF-4332-9147-F68ED9862032}.Release.ActiveCfg = Release|Win32
		{3AF54C8A-10BF-4332-9147-F68ED9862032}.Release.Build.0 = Release|Win32
		{4D9FDFB5-986A-4139-823C-F4EE0ED481A1}.Debug.ActiveCfg = Debug|Win32
		{4D9FDFB5-986A-4139-823C-F4EE0ED481A1}.Debug.Build.0 = Debug|Win32
		{4D9FDFB5-986A-4139-823C-F4EE0ED481A1}.Release.ActiveCfg = Release|Win32
		{4D9FDFB5-986A-4139-823C-F4EE0ED481A1}.Release.Build.0 = Release|Win32
		{24848551-EF4F-47E8-9A9D-EA4D49BC3ECA}.Debug.ActiveCfg = Debug|Win32
		{24848551-EF4F-47E8-9A9D-EA4D49BC3ECA}.Debug.Build.0 = Debug|Win32
		{24848551-EF4F-47E8-9A9D-EA4D49BC3ECA}.Release.ActiveCfg = Release|Win32
		{24848551-EF4F-47E8-9A9D-EA4D49BC3ECA}.Release.Build.0 = Release|Win32
	EndGlobalSection
	GlobalSection(ExtensibilityGlobals) = postSolution
	EndGlobalSection
	GlobalSection(ExtensibilityAddIns) = postSolution
	EndGlobalSection
EndGlobal
"#;

    const SOLUTION_WITH_DIFFERENT_SOLUTION_CONFIGS: &str = r#"Microsoft Visual Studio Solution File, Format Version 12.00
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Project", "Project.csproj", "{93ED4C31-2F29-49DB-88C3-AEA9AF1CA52D}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Project.Test", "Project.Test.csproj", "{D5BBB06B-B46F-4342-A262-C569D4D2967C}"
EndProject
Global
	GlobalSection(SolutionConfigurationPlatforms) = preSolution
		SolutionDebug|Any CPU = SolutionDebug|Any CPU
		Release|Any CPU = Release|Any CPU
	EndGlobalSection
	GlobalSection(ProjectConfigurationPlatforms) = postSolution
		{93ED4C31-2F29-49DB-88C3-AEA9AF1CA52D}.SolutionDebug|Any CPU.ActiveCfg = Debug|Any CPU
		{93ED4C31-2F29-49DB-88C3-AEA9AF1CA52D}.SolutionDebug|Any CPU.Build.0 = Debug|Any CPU
		{93ED4C31-2F29-49DB-88C3-AEA9AF1CA52D}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{93ED4C31-2F29-49DB-88C3-AEA9AF1CA52D}.Release|Any CPU.Build.0 = Release|Any CPU
		{D5BBB06B-B46F-4342-A262-C569D4D2967C}.SolutionDebug|Any CPU.ActiveCfg = Debug|Any CPU
		{D5BBB06B-B46F-4342-A262-C569D4D2967C}.SolutionDebug|Any CPU.Build.0 = Debug|Any CPU
		{D5BBB06B-B46F-4342-A262-C569D4D2967C}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{D5BBB06B-B46F-4342-A262-C569D4D2967C}.Release|Any CPU.Build.0 = Release|Any CPU
	EndGlobalSection
EndGlobal"#;
}