Add simple integration tests

6 files changed, 150 insertions, 43 deletions

diff --git a/tests/examples/multiline.txt b/tests/examples/multiline.txt
new file mode 100644
index 00000000..9c2a7090
--- /dev/null
+++ b/tests/examples/multiline.txt
@@ -0,0 +1,4 @@
+line 1
+line 2
+line 3
+line 4
diff --git a/tests/examples/sub_directory/dummy.txt b/tests/examples/sub_directory/dummy.txt
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/tests/examples/sub_directory/dummy.txt
diff --git a/tests/examples/test.txt b/tests/examples/test.txt
new file mode 100644
index 00000000..3b18e512
--- /dev/null
+++ b/tests/examples/test.txt
@@ -0,0 +1 @@
+hello world
diff --git a/tests/integration_tests.rs b/tests/integration_tests.rs
new file mode 100644
index 00000000..2192bbd3
--- /dev/null
+++ b/tests/integration_tests.rs
@@ -0,0 +1,104 @@
+extern crate assert_cmd;
+
+use assert_cmd::prelude::*;
+use std::process::Command;
+
+fn bat() -> Command {
+    let mut cmd = Command::main_binary().unwrap();
+    cmd.current_dir("tests/examples");
+    cmd
+}
+
+#[test]
+fn basic() {
+    bat()
+        .arg("test.txt")
+        .assert()
+        .success()
+        .stdout("hello world\n")
+        .stderr("");
+}
+
+#[test]
+fn stdin() {
+    bat()
+        .with_stdin()
+        .buffer("foo\nbar\n")
+        .assert()
+        .success()
+        .stdout("foo\nbar\n");
+}
+
+#[test]
+fn concatenate() {
+    bat()
+        .arg("test.txt")
+        .arg("test.txt")
+        .assert()
+        .success()
+        .stdout("hello world\nhello world\n");
+}
+
+#[test]
+fn concatenate_stdin() {
+    bat()
+        .arg("test.txt")
+        .arg("-")
+        .arg("test.txt")
+        .with_stdin()
+        .buffer("stdin\n")
+        .assert()
+        .success()
+        .stdout("hello world\nstdin\nhello world\n");
+}
+
+#[test]
+fn line_numbers() {
+    bat()
+        .arg("multiline.txt")
+        .arg("--style=numbers")
+        .arg("--decorations=always")
+        .assert()
+        .success()
+        .stdout("   1 line 1\n   2 line 2\n   3 line 3\n   4 line 4\n");
+}
+
+#[test]
+fn line_range_2_3() {
+    bat()
+        .arg("multiline.txt")
+        .arg("--line-range=2:3")
+        .assert()
+        .success()
+        .stdout("line 2\nline 3\n");
+}
+
+#[test]
+fn line_range_first_two() {
+    bat()
+        .arg("multiline.txt")
+        .arg("--line-range=:2")
+        .assert()
+        .success()
+        .stdout("line 1\nline 2\n");
+}
+
+#[test]
+fn line_range_last_3() {
+    bat()
+        .arg("multiline.txt")
+        .arg("--line-range=2:")
+        .assert()
+        .success()
+        .stdout("line 2\nline 3\nline 4\n");
+}
+
+#[test]
+fn fail_non_existing() {
+    bat().arg("non-existing-file").assert().failure();
+}
+
+#[test]
+fn fail_directory() {
+    bat().arg("sub_directory").assert().failure();
+}
diff --git a/tests/snapshot_tests.rs b/tests/snapshot_tests.rs
new file mode 100644
index 00000000..6e76c8b5
--- /dev/null
+++ b/tests/snapshot_tests.rs
@@ -0,0 +1,41 @@
+mod tester;
+
+use tester::BatTester;
+
+macro_rules! snapshot_tests {
+    ($($test_name: ident: $style: expr => [wrap: $wrap:expr, tabs: $tabs:expr],)*) => {
+        $(
+            #[test]
+            fn $test_name() {
+                let bat_tester = BatTester::new();
+                bat_tester.test_snapshot(stringify!($test_name), $style, $tabs, $wrap);
+            }
+        )*
+    };
+}
+
+snapshot_tests! {
+    changes:                     "changes"                     => [wrap: false, tabs: 8],
+    grid:                        "grid"                        => [wrap: false, tabs: 8],
+    header:                      "header"                      => [wrap: false, tabs: 8],
+    numbers:                     "numbers"                     => [wrap: false, tabs: 8],
+    changes_grid:                "changes,grid"                => [wrap: false, tabs: 8],
+    changes_header:              "changes,header"              => [wrap: false, tabs: 8],
+    changes_numbers:             "changes,numbers"             => [wrap: false, tabs: 8],
+    grid_header:                 "grid,header"                 => [wrap: false, tabs: 8],
+    grid_numbers:                "grid,numbers"                => [wrap: false, tabs: 8],
+    header_numbers:              "header,numbers"              => [wrap: false, tabs: 8],
+    changes_grid_header:         "changes,grid,header"         => [wrap: false, tabs: 8],
+    changes_grid_numbers:        "changes,grid,numbers"        => [wrap: false, tabs: 8],
+    changes_header_numbers:      "changes,header,numbers"      => [wrap: false, tabs: 8],
+    grid_header_numbers:         "grid,header,numbers"         => [wrap: false, tabs: 8],
+    changes_grid_header_numbers: "changes,grid,header,numbers" => [wrap: false, tabs: 8],
+    full:                        "full"                        => [wrap: false, tabs: 8],
+    plain:                       "plain"                       => [wrap: false, tabs: 0],
+    tabs_passthrough_wrapped:    "full"                        => [wrap: true,  tabs: 0],
+    tabs_4_wrapped:              "full"                        => [wrap: true,  tabs: 4],
+    tabs_8_wrapped:              "full"                        => [wrap: true,  tabs: 8],
+    tabs_passthrough:            "full"                        => [wrap: false, tabs: 0],
+    tabs_4:                      "full"                        => [wrap: false, tabs: 4],
+    tabs_8:                      "full"                        => [wrap: false, tabs: 8],
+}
diff --git a/tests/tests.rs b/tests/tests.rs
deleted file mode 100644
index 4651ffa1..00000000
--- a/tests/tests.rs
+++ /dev/null
@@ -1,43 +0,0 @@
-mod tester;
-
-mod snapshot {
-    use tester::BatTester;
-
-    macro_rules! snapshot_tests {
-        ($($test_name: ident: $style: expr => [wrap: $wrap:expr, tabs: $tabs:expr],)*) => {
-            $(
-                #[test]
-                fn $test_name() {
-                    let bat_tester = BatTester::new();
-                    bat_tester.test_snapshot(stringify!($test_name), $style, $tabs, $wrap);
-                }
-            )*
-        };
-    }
-
-    snapshot_tests! {
-        changes:                     "changes"                     => [wrap: false, tabs: 8],
-        grid:                        "grid"                        => [wrap: false, tabs: 8],
-        header:                      "header"                      => [wrap: false, tabs: 8],
-        numbers:                     "numbers"                     => [wrap: false, tabs: 8],
-        changes_grid:                "changes,grid"                => [wrap: false, tabs: 8],
-        changes_header:              "changes,header"              => [wrap: false, tabs: 8],
-        changes_numbers:             "changes,numbers"             => [wrap: false, tabs: 8],
-        grid_header:                 "grid,header"                 => [wrap: false, tabs: 8],
-        grid_numbers:                "grid,numbers"                => [wrap: false, tabs: 8],
-        header_numbers:              "header,numbers"              => [wrap: false, tabs: 8],
-        changes_grid_header:         "changes,grid,header"         => [wrap: false, tabs: 8],
-        changes_grid_numbers:        "changes,grid,numbers"        => [wrap: false, tabs: 8],
-        changes_header_numbers:      "changes,header,numbers"      => [wrap: false, tabs: 8],
-        grid_header_numbers:         "grid,header,numbers"         => [wrap: false, tabs: 8],
-        changes_grid_header_numbers: "changes,grid,header,numbers" => [wrap: false, tabs: 8],
-        full:                        "full"                        => [wrap: false, tabs: 8],
-        plain:                       "plain"                       => [wrap: false, tabs: 0],
-        tabs_passthrough_wrapped:    "full"                        => [wrap: true,  tabs: 0],
-        tabs_4_wrapped:              "full"                        => [wrap: true,  tabs: 4],
-        tabs_8_wrapped:              "full"                        => [wrap: true,  tabs: 8],
-        tabs_passthrough:            "full"                        => [wrap: false, tabs: 0],
-        tabs_4:                      "full"                        => [wrap: false, tabs: 4],
-        tabs_8:                      "full"                        => [wrap: false, tabs: 8],
-    }
-}