Added some tests to the dotup crate.

4 files changed, 226 insertions, 0 deletions

diff --git a/Cargo.lock b/Cargo.lock
index a981e03..a44b60b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -98,6 +98,7 @@ dependencies = [
  "log",
  "serde",
  "slotmap",
+ "tempfile",
  "thiserror",
  "toml",
 ]
@@ -130,6 +131,17 @@ dependencies = [
 ]
 
 [[package]]
+name = "getrandom"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
 name = "glob"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -222,6 +234,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "afb2e1c3ee07430c2cf76151675e583e0f19985fa6efae47d6848a3e2c824f85"
 
 [[package]]
+name = "ppv-lite86"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
+
+[[package]]
 name = "proc-macro-error"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -264,6 +282,55 @@ dependencies = [
 ]
 
 [[package]]
+name = "rand"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "rand_hc"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
+dependencies = [
+ "rand_core",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ab49abadf3f9e1c4bc499e8845e152ad87d2ad2d30371841171169e9d75feee"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
 name = "regex"
 version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -281,6 +348,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
+name = "remove_dir_all"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
 name = "serde"
 version = "1.0.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -327,6 +403,20 @@ dependencies = [
 ]
 
 [[package]]
+name = "tempfile"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "rand",
+ "redox_syscall",
+ "remove_dir_all",
+ "winapi",
+]
+
+[[package]]
 name = "termcolor"
 version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/dotup/Cargo.toml b/dotup/Cargo.toml
index 2545e94..8acfe85 100644
--- a/dotup/Cargo.toml
+++ b/dotup/Cargo.toml
@@ -9,3 +9,6 @@ serde = { version = "*", features = ["derive"] }
 thiserror = "*"
 toml = "*"
 slotmap = "*"
+
+[dev-dependencies]
+tempfile = "3.2"
diff --git a/dotup/tests/integration_tests.rs b/dotup/tests/integration_tests.rs
new file mode 100644
index 0000000..ea64136
--- /dev/null
+++ b/dotup/tests/integration_tests.rs
@@ -0,0 +1,126 @@
+use std::path::{Path, PathBuf};
+
+use dotup::{ArchiveLink, Depot, DepotConfig, LinkCreateParams};
+use tempfile::TempDir;
+
+const TESTING_DEPOT_NAME: &str = "depot.toml";
+const TESTING_DEPOT_CONTENTS: &str = include_str!("testing_depot.toml");
+
+fn create_empty_file(path: impl AsRef<Path>) {
+    let path = path.as_ref();
+    if let Some(parent) = path.parent() {
+        std::fs::create_dir_all(parent).unwrap();
+    }
+    std::fs::write(path, "").unwrap();
+}
+
+fn prepare_empty_temp_dir() -> TempDir {
+    TempDir::new().unwrap()
+}
+
+fn prepare_temp_dir() -> TempDir {
+    let dir = TempDir::new().unwrap();
+    std::fs::write(dir.path().join(TESTING_DEPOT_NAME), TESTING_DEPOT_CONTENTS).unwrap();
+    create_empty_file(dir.path().join("o1/file1.txt"));
+    create_empty_file(dir.path().join("o2/file2.txt"));
+    dir
+}
+
+fn read_depot(dir: &TempDir) -> Depot {
+    let archive_path = dir.path().join(TESTING_DEPOT_NAME);
+    Depot::new(DepotConfig {
+        archive: dotup::archive_read(&archive_path).unwrap(),
+        archive_path,
+    })
+    .unwrap()
+}
+
+#[test]
+fn test_archive_deserialize() {
+    let archive = dotup::archive_deserialize(&TESTING_DEPOT_CONTENTS).unwrap();
+
+    let link1 = ArchiveLink {
+        origin: PathBuf::from("o1/file1.txt"),
+        destination: PathBuf::from("d1/file.txt"),
+    };
+    let link2 = ArchiveLink {
+        origin: PathBuf::from("o2/file2.txt"),
+        destination: PathBuf::from("d2/d2/file.txt"),
+    };
+
+    assert_eq!(2, archive.links.len());
+    assert!(archive.links.contains(&link1));
+    assert!(archive.links.contains(&link2));
+}
+
+#[test]
+fn test_archive_exists() {
+    let empty_dir = prepare_empty_temp_dir();
+    let dir = prepare_temp_dir();
+
+    assert!(!dotup::archive_exists(
+        empty_dir.path().join(TESTING_DEPOT_NAME)
+    ));
+    assert!(dotup::archive_exists(dir.path().join(TESTING_DEPOT_NAME)));
+}
+
+#[test]
+fn test_depot_create() {
+    let empty_dir = prepare_empty_temp_dir();
+    let dir = prepare_temp_dir();
+
+    let d1 = Depot::new(DepotConfig {
+        archive: Default::default(),
+        archive_path: empty_dir.path().join(TESTING_DEPOT_NAME),
+    });
+    assert!(d1.is_err());
+
+    let archive_path = dir.path().join(TESTING_DEPOT_NAME);
+    let d2 = Depot::new(DepotConfig {
+        archive: dotup::archive_read(&archive_path).unwrap(),
+        archive_path,
+    });
+    assert!(d2.is_ok());
+}
+
+#[test]
+fn test_depot_create_link() {
+    let dir = prepare_temp_dir();
+    let mut depot = read_depot(&dir);
+
+    create_empty_file(dir.path().join("o3/file.txt"));
+
+    let l1 = depot.create_link(LinkCreateParams {
+        origin: PathBuf::from("o3/file.txt"),
+        destination: PathBuf::from(".config/file.txt"),
+    });
+    assert!(l1.is_ok());
+
+    let l2 = depot.create_link(LinkCreateParams {
+        origin: PathBuf::from("o4/file.txt"),
+        destination: PathBuf::from(".config/file.txt"),
+    });
+    assert!(l2.is_err());
+}
+
+#[test]
+fn test_depot_install_uninstall_link() {
+    let dir = prepare_temp_dir();
+    let depot = read_depot(&dir);
+    let install_base = dir.path();
+
+    for link in depot.links() {
+        depot.install_link(link, install_base).unwrap();
+    }
+
+    for link in depot.links() {
+        let link_path = link.install_destination(install_base).unwrap();
+        let link_target = std::fs::read_link(&link_path).unwrap();
+        assert_eq!(link_target.canonicalize().unwrap(), link.origin_canonical());
+    }
+
+    for link in depot.links() {
+        depot.uninstall_link(link, install_base).unwrap();
+        assert!(!link.install_destination(install_base).unwrap().exists());
+    }
+}
diff --git a/dotup/tests/testing_depot.toml b/dotup/tests/testing_depot.toml
new file mode 100644
index 0000000..ee5224a
--- /dev/null
+++ b/dotup/tests/testing_depot.toml
@@ -0,0 +1,7 @@
+[[links]]
+origin = "o1/file1.txt"
+destination = "d1/file.txt"
+
+[[links]]
+origin = "o2/file2.txt"
+destination = "d2/d2/file.txt"