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+// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::error::Error;
+use std::fmt;
+use std::result;
+use std::str;
+
+use Version;
+use version::Identifier;
+use semver_parser;
+
+#[cfg(feature = "serde")]
+use serde::ser::{Serialize, Serializer};
+#[cfg(feature = "serde")]
+use serde::de::{self, Deserialize, Deserializer, Visitor};
+
+use self::Op::{Ex, Gt, GtEq, Lt, LtEq, Tilde, Compatible, Wildcard};
+use self::WildcardVersion::{Major, Minor, Patch};
+use self::ReqParseError::*;
+
+/// A `VersionReq` is a struct containing a list of predicates that can apply to ranges of version
+/// numbers. Matching operations can then be done with the `VersionReq` against a particular
+/// version to see if it satisfies some or all of the constraints.
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
+pub struct VersionReq {
+ predicates: Vec<Predicate>,
+}
+
+impl From<semver_parser::range::VersionReq> for VersionReq {
+ fn from(other: semver_parser::range::VersionReq) -> VersionReq {
+ VersionReq { predicates: other.predicates.into_iter().map(From::from).collect() }
+ }
+}
+
+#[cfg(feature = "serde")]
+impl Serialize for VersionReq {
+ fn serialize<S>(&self, serializer: S) -> result::Result<S::Ok, S::Error>
+ where S: Serializer
+ {
+ // Serialize VersionReq as a string.
+ serializer.collect_str(self)
+ }
+}
+
+#[cfg(feature = "serde")]
+impl<'de> Deserialize<'de> for VersionReq {
+ fn deserialize<D>(deserializer: D) -> result::Result<Self, D::Error>
+ where D: Deserializer<'de>
+ {
+ struct VersionReqVisitor;
+
+ /// Deserialize `VersionReq` from a string.
+ impl<'de> Visitor<'de> for VersionReqVisitor {
+ type Value = VersionReq;
+
+ fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+ formatter.write_str("a SemVer version requirement as a string")
+ }
+
+ fn visit_str<E>(self, v: &str) -> result::Result<Self::Value, E>
+ where E: de::Error
+ {
+ VersionReq::parse(v).map_err(de::Error::custom)
+ }
+ }
+
+ deserializer.deserialize_str(VersionReqVisitor)
+ }
+}
+
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
+enum WildcardVersion {
+ Major,
+ Minor,
+ Patch,
+}
+
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
+enum Op {
+ Ex, // Exact
+ Gt, // Greater than
+ GtEq, // Greater than or equal to
+ Lt, // Less than
+ LtEq, // Less than or equal to
+ Tilde, // e.g. ~1.0.0
+ Compatible, // compatible by definition of semver, indicated by ^
+ Wildcard(WildcardVersion), // x.y.*, x.*, *
+}
+
+impl From<semver_parser::range::Op> for Op {
+ fn from(other: semver_parser::range::Op) -> Op {
+ use semver_parser::range;
+ match other {
+ range::Op::Ex => Op::Ex,
+ range::Op::Gt => Op::Gt,
+ range::Op::GtEq => Op::GtEq,
+ range::Op::Lt => Op::Lt,
+ range::Op::LtEq => Op::LtEq,
+ range::Op::Tilde => Op::Tilde,
+ range::Op::Compatible => Op::Compatible,
+ range::Op::Wildcard(version) => {
+ match version {
+ range::WildcardVersion::Major => Op::Wildcard(WildcardVersion::Major),
+ range::WildcardVersion::Minor => Op::Wildcard(WildcardVersion::Minor),
+ range::WildcardVersion::Patch => Op::Wildcard(WildcardVersion::Patch),
+ }
+ }
+ }
+ }
+}
+
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
+struct Predicate {
+ op: Op,
+ major: u64,
+ minor: Option<u64>,
+ patch: Option<u64>,
+ pre: Vec<Identifier>,
+}
+
+impl From<semver_parser::range::Predicate> for Predicate {
+ fn from(other: semver_parser::range::Predicate) -> Predicate {
+ Predicate {
+ op: From::from(other.op),
+ major: other.major,
+ minor: other.minor,
+ patch: other.patch,
+ pre: other.pre.into_iter().map(From::from).collect(),
+ }
+ }
+}
+
+/// A `ReqParseError` is returned from methods which parse a string into a `VersionReq`. Each
+/// enumeration is one of the possible errors that can occur.
+#[derive(Clone, Debug, PartialEq)]
+pub enum ReqParseError {
+ /// The given version requirement is invalid.
+ InvalidVersionRequirement,
+ /// You have already provided an operation, such as `=`, `~`, or `^`. Only use one.
+ OpAlreadySet,
+ /// The sigil you have written is not correct.
+ InvalidSigil,
+ /// All components of a version must be numeric.
+ VersionComponentsMustBeNumeric,
+ /// There was an error parsing an identifier.
+ InvalidIdentifier,
+ /// At least a major version is required.
+ MajorVersionRequired,
+ /// An unimplemented version requirement.
+ UnimplementedVersionRequirement,
+ /// This form of requirement is deprecated.
+ DeprecatedVersionRequirement(VersionReq),
+}
+
+impl fmt::Display for ReqParseError {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ self.description().fmt(f)
+ }
+}
+
+impl Error for ReqParseError {
+ fn description(&self) -> &str {
+ match self {
+ &InvalidVersionRequirement => "the given version requirement is invalid",
+ &OpAlreadySet => {
+ "you have already provided an operation, such as =, ~, or ^; only use one"
+ },
+ &InvalidSigil => "the sigil you have written is not correct",
+ &VersionComponentsMustBeNumeric => "version components must be numeric",
+ &InvalidIdentifier => "invalid identifier",
+ &MajorVersionRequired => "at least a major version number is required",
+ &UnimplementedVersionRequirement => {
+ "the given version requirement is not implemented, yet"
+ },
+ &DeprecatedVersionRequirement(_) => "This requirement is deprecated",
+ }
+ }
+}
+
+impl From<String> for ReqParseError {
+ fn from(other: String) -> ReqParseError {
+ match &*other {
+ "Null is not a valid VersionReq" => ReqParseError::InvalidVersionRequirement,
+ "VersionReq did not parse properly." => ReqParseError::OpAlreadySet,
+ _ => ReqParseError::InvalidVersionRequirement,
+ }
+ }
+}
+
+impl VersionReq {
+ /// `any()` is a factory method which creates a `VersionReq` with no constraints. In other
+ /// words, any version will match against it.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use semver::VersionReq;
+ ///
+ /// let anything = VersionReq::any();
+ /// ```
+ pub fn any() -> VersionReq {
+ VersionReq { predicates: vec![] }
+ }
+
+ /// `parse()` is the main constructor of a `VersionReq`. It takes a string like `"^1.2.3"`
+ /// and turns it into a `VersionReq` that matches that particular constraint.
+ ///
+ /// A `Result` is returned which contains a `ReqParseError` if there was a problem parsing the
+ /// `VersionReq`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use semver::VersionReq;
+ ///
+ /// let version = VersionReq::parse("=1.2.3");
+ /// let version = VersionReq::parse(">1.2.3");
+ /// let version = VersionReq::parse("<1.2.3");
+ /// let version = VersionReq::parse("~1.2.3");
+ /// let version = VersionReq::parse("^1.2.3");
+ /// let version = VersionReq::parse("1.2.3"); // synonym for ^1.2.3
+ /// let version = VersionReq::parse("<=1.2.3");
+ /// let version = VersionReq::parse(">=1.2.3");
+ /// ```
+ ///
+ /// This example demonstrates error handling, and will panic.
+ ///
+ /// ```should-panic
+ /// use semver::VersionReq;
+ ///
+ /// let version = match VersionReq::parse("not a version") {
+ /// Ok(version) => version,
+ /// Err(e) => panic!("There was a problem parsing: {}", e),
+ /// }
+ /// ```
+ pub fn parse(input: &str) -> Result<VersionReq, ReqParseError> {
+ let res = semver_parser::range::parse(input);
+
+ if let Ok(v) = res {
+ return Ok(From::from(v));
+ }
+
+ return match VersionReq::parse_deprecated(input) {
+ Some(v) => {
+ Err(ReqParseError::DeprecatedVersionRequirement(v))
+ }
+ None => Err(From::from(res.err().unwrap())),
+ }
+ }
+
+ fn parse_deprecated(version: &str) -> Option<VersionReq> {
+ return match version {
+ ".*" => Some(VersionReq::any()),
+ "0.1.0." => Some(VersionReq::parse("0.1.0").unwrap()),
+ "0.3.1.3" => Some(VersionReq::parse("0.3.13").unwrap()),
+ "0.2*" => Some(VersionReq::parse("0.2.*").unwrap()),
+ "*.0" => Some(VersionReq::any()),
+ _ => None,
+ }
+ }
+
+ /// `exact()` is a factory method which creates a `VersionReq` with one exact constraint.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use semver::VersionReq;
+ /// use semver::Version;
+ ///
+ /// let version = Version { major: 1, minor: 1, patch: 1, pre: vec![], build: vec![] };
+ /// let exact = VersionReq::exact(&version);
+ /// ```
+ pub fn exact(version: &Version) -> VersionReq {
+ VersionReq { predicates: vec![Predicate::exact(version)] }
+ }
+
+ /// `matches()` matches a given `Version` against this `VersionReq`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use semver::VersionReq;
+ /// use semver::Version;
+ ///
+ /// let version = Version { major: 1, minor: 1, patch: 1, pre: vec![], build: vec![] };
+ /// let exact = VersionReq::exact(&version);
+ ///
+ /// assert!(exact.matches(&version));
+ /// ```
+ pub fn matches(&self, version: &Version) -> bool {
+ // no predicates means anything matches
+ if self.predicates.is_empty() {
+ return true;
+ }
+
+ self.predicates.iter().all(|p| p.matches(version)) &&
+ self.predicates.iter().any(|p| p.pre_tag_is_compatible(version))
+ }
+}
+
+impl str::FromStr for VersionReq {
+ type Err = ReqParseError;
+
+ fn from_str(s: &str) -> Result<VersionReq, ReqParseError> {
+ VersionReq::parse(s)
+ }
+}
+
+impl Predicate {
+ fn exact(version: &Version) -> Predicate {
+ Predicate {
+ op: Ex,
+ major: version.major,
+ minor: Some(version.minor),
+ patch: Some(version.patch),
+ pre: version.pre.clone(),
+ }
+ }
+
+ /// `matches()` takes a `Version` and determines if it matches this particular `Predicate`.
+ pub fn matches(&self, ver: &Version) -> bool {
+ match self.op {
+ Ex => self.is_exact(ver),
+ Gt => self.is_greater(ver),
+ GtEq => self.is_exact(ver) || self.is_greater(ver),
+ Lt => !self.is_exact(ver) && !self.is_greater(ver),
+ LtEq => !self.is_greater(ver),
+ Tilde => self.matches_tilde(ver),
+ Compatible => self.is_compatible(ver),
+ Wildcard(_) => self.matches_wildcard(ver),
+ }
+ }
+
+ fn is_exact(&self, ver: &Version) -> bool {
+ if self.major != ver.major {
+ return false;
+ }
+
+ match self.minor {
+ Some(minor) => {
+ if minor != ver.minor {
+ return false;
+ }
+ }
+ None => return true,
+ }
+
+ match self.patch {
+ Some(patch) => {
+ if patch != ver.patch {
+ return false;
+ }
+ }
+ None => return true,
+ }
+
+ if self.pre != ver.pre {
+ return false;
+ }
+
+ true
+ }
+
+ // https://docs.npmjs.com/misc/semver#prerelease-tags
+ fn pre_tag_is_compatible(&self, ver: &Version) -> bool {
+ // If a version has a prerelease tag (for example, 1.2.3-alpha.3) then it will
+ // only be
+ // allowed to satisfy comparator sets if at least one comparator with the same
+ // [major,
+ // minor, patch] tuple also has a prerelease tag.
+ !ver.is_prerelease() ||
+ (self.major == ver.major && self.minor == Some(ver.minor) &&
+ self.patch == Some(ver.patch) && !self.pre.is_empty())
+ }
+
+ fn is_greater(&self, ver: &Version) -> bool {
+ if self.major != ver.major {
+ return ver.major > self.major;
+ }
+
+ match self.minor {
+ Some(minor) => {
+ if minor != ver.minor {
+ return ver.minor > minor;
+ }
+ }
+ None => return false,
+ }
+
+ match self.patch {
+ Some(patch) => {
+ if patch != ver.patch {
+ return ver.patch > patch;
+ }
+ }
+ None => return false,
+ }
+
+ if !self.pre.is_empty() {
+ return ver.pre.is_empty() || ver.pre > self.pre;
+ }
+
+ false
+ }
+
+ // see https://www.npmjs.org/doc/misc/semver.html for behavior
+ fn matches_tilde(&self, ver: &Version) -> bool {
+ let minor = match self.minor {
+ Some(n) => n,
+ None => return self.major == ver.major,
+ };
+
+ match self.patch {
+ Some(patch) => {
+ self.major == ver.major && minor == ver.minor &&
+ (ver.patch > patch || (ver.patch == patch && self.pre_is_compatible(ver)))
+ }
+ None => self.major == ver.major && minor == ver.minor,
+ }
+ }
+
+ // see https://www.npmjs.org/doc/misc/semver.html for behavior
+ fn is_compatible(&self, ver: &Version) -> bool {
+ if self.major != ver.major {
+ return false;
+ }
+
+ let minor = match self.minor {
+ Some(n) => n,
+ None => return self.major == ver.major,
+ };
+
+ match self.patch {
+ Some(patch) => {
+ if self.major == 0 {
+ if minor == 0 {
+ ver.minor == minor && ver.patch == patch && self.pre_is_compatible(ver)
+ } else {
+ ver.minor == minor &&
+ (ver.patch > patch || (ver.patch == patch && self.pre_is_compatible(ver)))
+ }
+ } else {
+ ver.minor > minor ||
+ (ver.minor == minor &&
+ (ver.patch > patch || (ver.patch == patch && self.pre_is_compatible(ver))))
+ }
+ }
+ None => {
+ if self.major == 0 {
+ ver.minor == minor
+ } else {
+ ver.minor >= minor
+ }
+ }
+ }
+ }
+
+ fn pre_is_compatible(&self, ver: &Version) -> bool {
+ ver.pre.is_empty() || ver.pre >= self.pre
+ }
+
+ // see https://www.npmjs.org/doc/misc/semver.html for behavior
+ fn matches_wildcard(&self, ver: &Version) -> bool {
+ match self.op {
+ Wildcard(Major) => true,
+ Wildcard(Minor) => self.major == ver.major,
+ Wildcard(Patch) => {
+ match self.minor {
+ Some(minor) => self.major == ver.major && minor == ver.minor,
+ None => {
+ // minor and patch version astericks mean match on major
+ self.major == ver.major
+ }
+ }
+ }
+ _ => false, // unreachable
+ }
+ }
+}
+
+impl fmt::Display for VersionReq {
+ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+ if self.predicates.is_empty() {
+ try!(write!(fmt, "*"));
+ } else {
+ for (i, ref pred) in self.predicates.iter().enumerate() {
+ if i == 0 {
+ try!(write!(fmt, "{}", pred));
+ } else {
+ try!(write!(fmt, ", {}", pred));
+ }
+ }
+ }
+
+ Ok(())
+ }
+}
+
+impl fmt::Display for Predicate {
+ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+ match self.op {
+ Wildcard(Major) => try!(write!(fmt, "*")),
+ Wildcard(Minor) => try!(write!(fmt, "{}.*", self.major)),
+ Wildcard(Patch) => {
+ if let Some(minor) = self.minor {
+ try!(write!(fmt, "{}.{}.*", self.major, minor))
+ } else {
+ try!(write!(fmt, "{}.*.*", self.major))
+ }
+ }
+ _ => {
+ try!(write!(fmt, "{}{}", self.op, self.major));
+
+ match self.minor {
+ Some(v) => try!(write!(fmt, ".{}", v)),
+ None => (),
+ }
+
+ match self.patch {
+ Some(v) => try!(write!(fmt, ".{}", v)),
+ None => (),
+ }
+
+ if !self.pre.is_empty() {
+ try!(write!(fmt, "-"));
+ for (i, x) in self.pre.iter().enumerate() {
+ if i != 0 {
+ try!(write!(fmt, "."))
+ }
+ try!(write!(fmt, "{}", x));
+ }
+ }
+ }
+ }
+
+ Ok(())
+ }
+}
+
+impl fmt::Display for Op {
+ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+ match *self {
+ Ex => try!(write!(fmt, "= ")),
+ Gt => try!(write!(fmt, "> ")),
+ GtEq => try!(write!(fmt, ">= ")),
+ Lt => try!(write!(fmt, "< ")),
+ LtEq => try!(write!(fmt, "<= ")),
+ Tilde => try!(write!(fmt, "~")),
+ Compatible => try!(write!(fmt, "^")),
+ // gets handled specially in Predicate::fmt
+ Wildcard(_) => try!(write!(fmt, "")),
+ }
+ Ok(())
+ }
+}
+
+#[cfg(test)]
+mod test {
+ use super::{VersionReq, Op};
+ use super::super::version::Version;
+ use std::hash::{Hash, Hasher};
+
+ fn req(s: &str) -> VersionReq {
+ VersionReq::parse(s).unwrap()
+ }
+
+ fn version(s: &str) -> Version {
+ match Version::parse(s) {
+ Ok(v) => v,
+ Err(e) => panic!("`{}` is not a valid version. Reason: {:?}", s, e),
+ }
+ }
+
+ fn assert_match(req: &VersionReq, vers: &[&str]) {
+ for ver in vers.iter() {
+ assert!(req.matches(&version(*ver)), "did not match {}", ver);
+ }
+ }
+
+ fn assert_not_match(req: &VersionReq, vers: &[&str]) {
+ for ver in vers.iter() {
+ assert!(!req.matches(&version(*ver)), "matched {}", ver);
+ }
+ }
+
+ fn calculate_hash<T: Hash>(t: T) -> u64 {
+ use std::collections::hash_map::DefaultHasher;
+
+ let mut s = DefaultHasher::new();
+ t.hash(&mut s);
+ s.finish()
+ }
+
+ #[test]
+ fn test_parsing_default() {
+ let r = req("1.0.0");
+
+ assert_eq!(r.to_string(), "^1.0.0".to_string());
+
+ assert_match(&r, &["1.0.0", "1.0.1"]);
+ assert_not_match(&r, &["0.9.9", "0.10.0", "0.1.0"]);
+ }
+
+ #[test]
+ fn test_parsing_exact() {
+ let r = req("=1.0.0");
+
+ assert!(r.to_string() == "= 1.0.0".to_string());
+ assert_eq!(r.to_string(), "= 1.0.0".to_string());
+
+ assert_match(&r, &["1.0.0"]);
+ assert_not_match(&r, &["1.0.1", "0.9.9", "0.10.0", "0.1.0", "1.0.0-pre"]);
+
+ let r = req("=0.9.0");
+
+ assert_eq!(r.to_string(), "= 0.9.0".to_string());
+
+ assert_match(&r, &["0.9.0"]);
+ assert_not_match(&r, &["0.9.1", "1.9.0", "0.0.9"]);
+
+ let r = req("=0.1.0-beta2.a");
+
+ assert_eq!(r.to_string(), "= 0.1.0-beta2.a".to_string());
+
+ assert_match(&r, &["0.1.0-beta2.a"]);
+ assert_not_match(&r, &["0.9.1", "0.1.0", "0.1.1-beta2.a", "0.1.0-beta2"]);
+ }
+
+ #[test]
+ fn test_parse_metadata_see_issue_88_see_issue_88() {
+ for op in &[Op::Compatible, Op::Ex, Op::Gt, Op::GtEq, Op::Lt, Op::LtEq, Op::Tilde] {
+ req(&format!("{} 1.2.3+meta", op));
+ }
+ }
+
+ #[test]
+ pub fn test_parsing_greater_than() {
+ let r = req(">= 1.0.0");
+
+ assert_eq!(r.to_string(), ">= 1.0.0".to_string());
+
+ assert_match(&r, &["1.0.0", "2.0.0"]);
+ assert_not_match(&r, &["0.1.0", "0.0.1", "1.0.0-pre", "2.0.0-pre"]);
+
+ let r = req(">= 2.1.0-alpha2");
+
+ assert_match(&r, &["2.1.0-alpha2", "2.1.0-alpha3", "2.1.0", "3.0.0"]);
+ assert_not_match(&r,
+ &["2.0.0", "2.1.0-alpha1", "2.0.0-alpha2", "3.0.0-alpha2"]);
+ }
+
+ #[test]
+ pub fn test_parsing_less_than() {
+ let r = req("< 1.0.0");
+
+ assert_eq!(r.to_string(), "< 1.0.0".to_string());
+
+ assert_match(&r, &["0.1.0", "0.0.1"]);
+ assert_not_match(&r, &["1.0.0", "1.0.0-beta", "1.0.1", "0.9.9-alpha"]);
+
+ let r = req("<= 2.1.0-alpha2");
+
+ assert_match(&r, &["2.1.0-alpha2", "2.1.0-alpha1", "2.0.0", "1.0.0"]);
+ assert_not_match(&r,
+ &["2.1.0", "2.2.0-alpha1", "2.0.0-alpha2", "1.0.0-alpha2"]);
+ }
+
+ #[test]
+ pub fn test_multiple() {
+ let r = req("> 0.0.9, <= 2.5.3");
+ assert_eq!(r.to_string(), "> 0.0.9, <= 2.5.3".to_string());
+ assert_match(&r, &["0.0.10", "1.0.0", "2.5.3"]);
+ assert_not_match(&r, &["0.0.8", "2.5.4"]);
+
+ let r = req("0.3.0, 0.4.0");
+ assert_eq!(r.to_string(), "^0.3.0, ^0.4.0".to_string());
+ assert_not_match(&r, &["0.0.8", "0.3.0", "0.4.0"]);
+
+ let r = req("<= 0.2.0, >= 0.5.0");
+ assert_eq!(r.to_string(), "<= 0.2.0, >= 0.5.0".to_string());
+ assert_not_match(&r, &["0.0.8", "0.3.0", "0.5.1"]);
+
+ let r = req("0.1.0, 0.1.4, 0.1.6");
+ assert_eq!(r.to_string(), "^0.1.0, ^0.1.4, ^0.1.6".to_string());
+ assert_match(&r, &["0.1.6", "0.1.9"]);
+ assert_not_match(&r, &["0.1.0", "0.1.4", "0.2.0"]);
+
+ assert!(VersionReq::parse("> 0.1.0,").is_err());
+ assert!(VersionReq::parse("> 0.3.0, ,").is_err());
+
+ let r = req(">=0.5.1-alpha3, <0.6");
+ assert_eq!(r.to_string(), ">= 0.5.1-alpha3, < 0.6".to_string());
+ assert_match(&r,
+ &["0.5.1-alpha3", "0.5.1-alpha4", "0.5.1-beta", "0.5.1", "0.5.5"]);
+ assert_not_match(&r,
+ &["0.5.1-alpha1", "0.5.2-alpha3", "0.5.5-pre", "0.5.0-pre"]);
+ assert_not_match(&r, &["0.6.0", "0.6.0-pre"]);
+ }
+
+ #[test]
+ pub fn test_parsing_tilde() {
+ let r = req("~1");
+ assert_match(&r, &["1.0.0", "1.0.1", "1.1.1"]);
+ assert_not_match(&r, &["0.9.1", "2.9.0", "0.0.9"]);
+
+ let r = req("~1.2");
+ assert_match(&r, &["1.2.0", "1.2.1"]);
+ assert_not_match(&r, &["1.1.1", "1.3.0", "0.0.9"]);
+
+ let r = req("~1.2.2");
+ assert_match(&r, &["1.2.2", "1.2.4"]);
+ assert_not_match(&r, &["1.2.1", "1.9.0", "1.0.9", "2.0.1", "0.1.3"]);
+
+ let r = req("~1.2.3-beta.2");
+ assert_match(&r, &["1.2.3", "1.2.4", "1.2.3-beta.2", "1.2.3-beta.4"]);
+ assert_not_match(&r, &["1.3.3", "1.1.4", "1.2.3-beta.1", "1.2.4-beta.2"]);
+ }
+
+ #[test]
+ pub fn test_parsing_compatible() {
+ let r = req("^1");
+ assert_match(&r, &["1.1.2", "1.1.0", "1.2.1", "1.0.1"]);
+ assert_not_match(&r, &["0.9.1", "2.9.0", "0.1.4"]);
+ assert_not_match(&r, &["1.0.0-beta1", "0.1.0-alpha", "1.0.1-pre"]);
+
+ let r = req("^1.1");
+ assert_match(&r, &["1.1.2", "1.1.0", "1.2.1"]);
+ assert_not_match(&r, &["0.9.1", "2.9.0", "1.0.1", "0.1.4"]);
+
+ let r = req("^1.1.2");
+ assert_match(&r, &["1.1.2", "1.1.4", "1.2.1"]);
+ assert_not_match(&r, &["0.9.1", "2.9.0", "1.1.1", "0.0.1"]);
+ assert_not_match(&r, &["1.1.2-alpha1", "1.1.3-alpha1", "2.9.0-alpha1"]);
+
+ let r = req("^0.1.2");
+ assert_match(&r, &["0.1.2", "0.1.4"]);
+ assert_not_match(&r, &["0.9.1", "2.9.0", "1.1.1", "0.0.1"]);
+ assert_not_match(&r, &["0.1.2-beta", "0.1.3-alpha", "0.2.0-pre"]);
+
+ let r = req("^0.5.1-alpha3");
+ assert_match(&r,
+ &["0.5.1-alpha3", "0.5.1-alpha4", "0.5.1-beta", "0.5.1", "0.5.5"]);
+ assert_not_match(&r,
+ &["0.5.1-alpha1", "0.5.2-alpha3", "0.5.5-pre", "0.5.0-pre", "0.6.0"]);
+
+ let r = req("^0.0.2");
+ assert_match(&r, &["0.0.2"]);
+ assert_not_match(&r, &["0.9.1", "2.9.0", "1.1.1", "0.0.1", "0.1.4"]);
+
+ let r = req("^0.0");
+ assert_match(&r, &["0.0.2", "0.0.0"]);
+ assert_not_match(&r, &["0.9.1", "2.9.0", "1.1.1", "0.1.4"]);
+
+ let r = req("^0");
+ assert_match(&r, &["0.9.1", "0.0.2", "0.0.0"]);
+ assert_not_match(&r, &["2.9.0", "1.1.1"]);
+
+ let r = req("^1.4.2-beta.5");
+ assert_match(&r,
+ &["1.4.2", "1.4.3", "1.4.2-beta.5", "1.4.2-beta.6", "1.4.2-c"]);
+ assert_not_match(&r,
+ &["0.9.9", "2.0.0", "1.4.2-alpha", "1.4.2-beta.4", "1.4.3-beta.5"]);
+ }
+
+ #[test]
+ pub fn test_parsing_wildcard() {
+ let r = req("");
+ assert_match(&r, &["0.9.1", "2.9.0", "0.0.9", "1.0.1", "1.1.1"]);
+ assert_not_match(&r, &[]);
+ let r = req("*");
+ assert_match(&r, &["0.9.1", "2.9.0", "0.0.9", "1.0.1", "1.1.1"]);
+ assert_not_match(&r, &[]);
+ let r = req("x");
+ assert_match(&r, &["0.9.1", "2.9.0", "0.0.9", "1.0.1", "1.1.1"]);
+ assert_not_match(&r, &[]);
+ let r = req("X");
+ assert_match(&r, &["0.9.1", "2.9.0", "0.0.9", "1.0.1", "1.1.1"]);
+ assert_not_match(&r, &[]);
+
+ let r = req("1.*");
+ assert_match(&r, &["1.2.0", "1.2.1", "1.1.1", "1.3.0"]);
+ assert_not_match(&r, &["0.0.9"]);
+ let r = req("1.x");
+ assert_match(&r, &["1.2.0", "1.2.1", "1.1.1", "1.3.0"]);
+ assert_not_match(&r, &["0.0.9"]);
+ let r = req("1.X");
+ assert_match(&r, &["1.2.0", "1.2.1", "1.1.1", "1.3.0"]);
+ assert_not_match(&r, &["0.0.9"]);
+
+ let r = req("1.2.*");
+ assert_match(&r, &["1.2.0", "1.2.2", "1.2.4"]);
+ assert_not_match(&r, &["1.9.0", "1.0.9", "2.0.1", "0.1.3"]);
+ let r = req("1.2.x");
+ assert_match(&r, &["1.2.0", "1.2.2", "1.2.4"]);
+ assert_not_match(&r, &["1.9.0", "1.0.9", "2.0.1", "0.1.3"]);
+ let r = req("1.2.X");
+ assert_match(&r, &["1.2.0", "1.2.2", "1.2.4"]);
+ assert_not_match(&r, &["1.9.0", "1.0.9", "2.0.1", "0.1.3"]);
+ }
+
+ #[test]
+ pub fn test_any() {
+ let r = VersionReq::any();
+ assert_match(&r, &["0.0.1", "0.1.0", "1.0.0"]);
+ }
+
+ #[test]
+ pub fn test_pre() {
+ let r = req("=2.1.1-really.0");
+ assert_match(&r, &["2.1.1-really.0"]);
+ }
+
+ // #[test]
+ // pub fn test_parse_errors() {
+ // assert_eq!(Err(InvalidVersionRequirement), VersionReq::parse("\0"));
+ // assert_eq!(Err(OpAlreadySet), VersionReq::parse(">= >= 0.0.2"));
+ // assert_eq!(Err(InvalidSigil), VersionReq::parse(">== 0.0.2"));
+ // assert_eq!(Err(VersionComponentsMustBeNumeric),
+ // VersionReq::parse("a.0.0"));
+ // assert_eq!(Err(InvalidIdentifier), VersionReq::parse("1.0.0-"));
+ // assert_eq!(Err(MajorVersionRequired), VersionReq::parse(">="));
+ // }
+
+ #[test]
+ pub fn test_from_str() {
+ assert_eq!("1.0.0".parse::<VersionReq>().unwrap().to_string(),
+ "^1.0.0".to_string());
+ assert_eq!("=1.0.0".parse::<VersionReq>().unwrap().to_string(),
+ "= 1.0.0".to_string());
+ assert_eq!("~1".parse::<VersionReq>().unwrap().to_string(),
+ "~1".to_string());
+ assert_eq!("~1.2".parse::<VersionReq>().unwrap().to_string(),
+ "~1.2".to_string());
+ assert_eq!("^1".parse::<VersionReq>().unwrap().to_string(),
+ "^1".to_string());
+ assert_eq!("^1.1".parse::<VersionReq>().unwrap().to_string(),
+ "^1.1".to_string());
+ assert_eq!("*".parse::<VersionReq>().unwrap().to_string(),
+ "*".to_string());
+ assert_eq!("1.*".parse::<VersionReq>().unwrap().to_string(),
+ "1.*".to_string());
+ assert_eq!("< 1.0.0".parse::<VersionReq>().unwrap().to_string(),
+ "< 1.0.0".to_string());
+ }
+
+ // #[test]
+ // pub fn test_from_str_errors() {
+ // assert_eq!(Err(InvalidVersionRequirement), "\0".parse::<VersionReq>());
+ // assert_eq!(Err(OpAlreadySet), ">= >= 0.0.2".parse::<VersionReq>());
+ // assert_eq!(Err(InvalidSigil), ">== 0.0.2".parse::<VersionReq>());
+ // assert_eq!(Err(VersionComponentsMustBeNumeric),
+ // "a.0.0".parse::<VersionReq>());
+ // assert_eq!(Err(InvalidIdentifier), "1.0.0-".parse::<VersionReq>());
+ // assert_eq!(Err(MajorVersionRequired), ">=".parse::<VersionReq>());
+ // }
+
+ #[test]
+ fn test_cargo3202() {
+ let v = "0.*.*".parse::<VersionReq>().unwrap();
+ assert_eq!("0.*.*", format!("{}", v.predicates[0]));
+
+ let v = "0.0.*".parse::<VersionReq>().unwrap();
+ assert_eq!("0.0.*", format!("{}", v.predicates[0]));
+
+ let r = req("0.*.*");
+ assert_match(&r, &["0.5.0"]);
+ }
+
+ #[test]
+ fn test_eq_hash() {
+ assert!(req("^1") == req("^1"));
+ assert!(calculate_hash(req("^1")) == calculate_hash(req("^1")));
+ assert!(req("^1") != req("^2"));
+ }
+
+ #[test]
+ fn test_ordering() {
+ assert!(req("=1") < req("*"));
+ assert!(req(">1") < req("*"));
+ assert!(req(">=1") < req("*"));
+ assert!(req("<1") < req("*"));
+ assert!(req("<=1") < req("*"));
+ assert!(req("~1") < req("*"));
+ assert!(req("^1") < req("*"));
+ assert!(req("*") == req("*"));
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-19 07:48:09 +0000